Re: "Designed for FreeBSD" stickers

2004-12-07 Thread Matthias Buelow
Rod Person wrote:
Powered By FreeBSD badge...
 http://www.freebsdmall.com/cgi-bin/fm/bsdplate?id=RQKmKeZu&mv_pc=88
I got a batch years ago from ScotGold, which might be nearer for 
European buyers than freebsdmall:

http://www.scotgold.com/acatalog/ScotGold_Catalogue_BSD_Daemon_Stuff_3.html
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Re: "Designed for FreeBSD" stickers

2004-12-07 Thread Matthias Buelow
Richard Bradley wrote:
ScotGold seems reasonably priced, but once you've bought their minimum 
order of 10, you're again paying almost £5.

Is there a gap in the market?
the question is if that would be economical.  do you also buy paper 
clips one at a time? :)

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Re: Has anybody EVER successfully recovered VINUM?

2004-12-08 Thread Matthias Buelow
Yes I was too -- however I wasn't as impressed with the fact that I had parity
errors afterwards. Have you run 'vinum checkparity' after these rebuilds?  In
my case I suffered data corruption...
AFAIK the only way to guarantee a consistent rebuild is to do it offline (at
least in 4.x, haven't tested gvinum in 5.x yet).
To play it safe you might want to unmount the volume before starting.
If this is indeed true, which I find a bit hard to believe, it should be 
fixed ASAP.  I've never seen a RAID that had to be taken _offline_ to 
rebuild parity onto a failed and replaced drive.  I've triggered 
rebuilds on a few so far, including h/w RAID, RAIDFrame and the Linux 
raid* thing, and it has always worked nicely while there was heavy load 
on the volume (with reduced performance during the rebuild, of course.)

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Re: FreeBSD or OpenBSD

2004-12-11 Thread Matthias Buelow
Jay Moore wrote:
Here's how you should decide: Go to the OpenBSD mailing list archives, select 
25 or so threads at random, and read them. Do the same for the FreeBSD 
mailling list archives. Then, make your decision. And remember, it's not like 
getting married - you can change your mind anytime you like.
A better idea might be to look at the hardware support of the individual 
systems first.  Not much use to chose one, only to find out that it 
doesn't run on the hardware in question (for example, FreeBSD has 
problems on my notebook where NetBSD runs more or less ok'ish, but 
NetBSD won't even boot on another machine on which FreeBSD runs very 
well.  I guess issues like that hold for OpenBSD aswell.)

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Re: Linux kernel on FreeBSD

2004-12-11 Thread Matthias Buelow
Loren M. Lang wrote:
want.  Now this does give me an idea, what about making Linux/FreeBSD,
One problem might be that the BSD userland was written explicitly to 
work on BSD, that is, under the BSD kernel, and hence is inherently less 
portable than the part of the Linux userland that is the Gnu tools, 
which are rather portable and can be built on many systems.  Therefore 
it is a probably a lot easier to get the Gnu userland running under a 
BSD kernel (the early Gnu tools were written for a "BSD-like" operating 
system) than the converse situation of running the rather specialized 
BSD userland on top of a Linux kernel.  It is for sure possible but of 
rather questionable merit and most likely a lot more work than you'd 
want to invest.

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Re: i386 & amd64

2004-12-10 Thread Matthias Buelow
Jorn Argelo wrote:
Well, some things that are keeping me from the AMD64 version of FreeBSD is the 
lack of support for several programs. Including cvsup, and I don't know any 
other way to sync the ports-tree or the kernel sources. But that was with 5.2.
1. I am not sure if FreeBSD still lacks cvsup.
That begs the question: can't one run i386 executables on amd64?  I 
assumed that was not a problem?

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Re: migrating from thunderbird to mutt?

2004-12-19 Thread Matthias Buelow
Nikolas Britton wrote:
How do I get my old email (from thunderbird, mbox?) into mutt?
TB keeps its local folders in mbox files at 
~/.thunderbird/xyz.default/Mail/Local\ Folders.  Just copy them over, or 
read them via mutt directly (and store the messages where you want them, 
typically ~/Mail).

Can mutt handle um like 5+ email address and have them all separated and 
be able to send from diffrent email accounts?
No.
If I remember right mutt is just a mail reader, so how do I get mail to 
and sent from mutt?
By setting up your MTA (sendmail, postfix, qmail).  Alternatively, you 
can use mutt with pop3 or imap4 but its support for these protocols is 
primitive at best.  And then you'd still have to configure sendmail for 
outgoing mail.

How does it handle hyperlinks, if I select something will it open up in 
firefox or whatever?
No.
Message filtering, for example I have all the different freebsd mailing 
lists automatically put into different folders, and junk mail sorting?
No.  You have to setup procmail (or a similar program) to do that for you.
Speell check?
No.  You have to setup your editor for running ispell or similar.
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Re: BSD equivalents of autoconf, automake, etc.

2004-12-20 Thread Matthias Buelow
Ted Mittelstaedt wrote:
Keep it Simple Stupid.  A Makefile that has options settible
by editing with a text editor, and a nice readme file that tells
what all the settible options are, is infinitely superior than
all the configure crap.  That is all that the RPM and ports
creators want from you.  And the end users don't even want to
compile your stuff in the first place, let alone see it's
install script.
I agree with that completely.  Although I might add, that it is possible 
to write well-behaved configure-scripts.  It's just that it needs about 
the same amount of cross-platform knowledge and testing than if you were 
hardcoding the stuff in Makefiles.

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Re: migrating from thunderbird to mutt?

2004-12-20 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
esmtp will contact the appropriate SMTP server on your behalf
and will use the correct credentials to connect (if required).
What happens if sending fails (for whatever temporary reason)?  Will 
esmtp queue the mail, like a real MTA would?  The issue is problematic 
with all those "minimalistic" pseudo-MTAs because mutt thinks it's 
delivering to a real sendmail, and hence doesn't handle failure 
gracefully (at least not afair).  Mozilla otoh, initiating the smtp 
connection by itself, will let you retry, or save it to a Drafts folder. 
 With mutt, your mail is probably gone.

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Re: Simple, graphic, desktop calculator

2004-12-20 Thread Matthias Buelow
RW wrote:
kcalc can be a simple calculator, or a more complex programmer's/scientific 
calculator according to what options  are checked on it's settings menu.
And if all fails, there's still the good old xcalc, which is available 
on every X11 installation.

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Re: bash - superuser

2004-12-24 Thread Matthias Buelow
Greg 'groggy' Lehey wrote:
This is a particularly tenacious rumour.  I've been using bash as my
root shell on many different UNIX platforms for nearly 14 years, and
I've never had any problems.  I've also never seen any substantiated
problems reported anywhere.
Besides, when your favourite shell is hosed, you most likely cannot log 
in anyways, since usually root login is disabled for sshd.  And then 
it's about the only case when it's getting tough.. when it's a machine 
that's hosted somewhere in a rack at a hosing provider, probably one of 
the most common situations today in business environments.  When one has 
physical access to the machine, it's a non-issue.

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Re: migrating from thunderbird to mutt?

2004-12-25 Thread Matthias Buelow
Joshua Lokken wrote:
Message filtering, for example I have all the different freebsd mailing
lists automatically put into different folders, and junk mail sorting?
No.  You have to setup procmail (or a similar program) to do that for you.
Wrong.  Mutt'll do it just fine.
Just wondering; have you ever used or seen Mutt?
Of course. I've used it since elm came out of fashion, about 8 years ago 
or so, until about 1-2 years ago, when I switched to Mozilla because I'm 
dealing with a multitude of mail folders on multiple imap servers today.

How would this filtering work inside mutt? Apparently, it's something 
non-obvious. I've never seen anything like that while using mutt, and 
always used procmail "back then".

mkb.
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named exits on SIGHUP?

2005-01-02 Thread Matthias Buelow
Hi folks,
when I kill -HUP named on 5.3 (BIND 9), it exits, instead of reloading, 
as stated in the manpage.  Is this normal?  I think it's rather 
impractical, since it prevents proper log rotation through 
newsyslog.conf (when using "file" logging in named.conf).  It doesn't 
seem to matter if it's running chrooted or not.

mkb
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Re: named exits on SIGHUP?

2005-01-02 Thread Matthias Buelow
Joerg Pulz wrote:
i tried 'rndc reload' and it's working and did not cause the named 
process to exit. maybe '/etc/rc.d/named' should be changed to use this 
as reload command.
Yes, this works here also.
In the long run, it would probably be a good idea to make newsyslog 
understand arbitrary commands for restarting, instead of just sending a 
signal.

mkb.
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Re: kern.maxfiles formula?

2005-01-02 Thread Matthias Buelow
Kris Kennaway wrote:
A truly enormous number :-) You just need to increase the value of
kern.maxfiles in /boot/loader.conf as appropriate for your workload.
would it be possible to make this dynamically allocated in the future? 
imho, such limits are a bit anachronistic.

mkb.
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Re: Recommended Mail Transfer Agent

2005-01-02 Thread Matthias Buelow
Bill Moran wrote:
I've been using Dovecot for quite some time now.  It's not even a 1.0
product yet, and I still find it excellent for both POP and IMAP.  It
includes support for both POP3S and IMAPS, which I find very important
in this day and age.
I've had bad experience so far with dovecot, including, but not limited 
to, lock file problems, hung imap processes in the bulk, and behaviour 
that neither matched the comments in the sample config file, nor the 
documentation (and both were contradictory), like the way to configure 
inbox and folder locations.
Unless the OP has the time and resources to experiment, I'd suggest 
leaving that software alone for a while still until it has been 
stabilized, and go for proven alternatives like Cyrus or Courier (or 
even uw-imapd, if it's a one-person setup).

mkb.
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Re: kern.maxfiles formula?

2005-01-02 Thread Matthias Buelow
Kris Kennaway wrote:
Having a hard limit is by design, or users could run your machine out
of memory and cause it to panic.
# sysctl -w kern.maxfiles=2
kern.maxfiles: 12328 -> 2
Ok, I agree. Must've confused something here. I was under the impression 
that it was fixed at boot. The user issue could be tackled with ulimit, 
however probably not in a completely satisfactory way (with resource 
limits being per-process, not per-user. Sometimes a bit of VMS would be 
nice ;).

mkb.
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Re: SpamAssassin-Milter accuracy...

2005-01-04 Thread Matthias Buelow
Louis LeBlanc wrote:
Use with care.  Some spam rbls are overly zealous, and often block out
whole netblocks just because one IP has been reported as an offender.
And all dialup networks.  Which can lead to the bizarre situation that 
if you're relaying through your mail server from a dialup IP, and mail 
goes thru SA, you'll get a high score.  There're several ways to prevent 
this from happening, of course, for example, to run an extra smtpd on a 
nonstandard port that doesn't push mails through SpamAssassin, or just 
to disable the damn RBL stuff in the SA config (I did both, greylisting 
is more effective than the suspicious RBL stuff anyways).
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Re: BASIC WEB SERVER HELP

2005-01-06 Thread Matthias Buelow
Satori Seal - Dale T. McGrosky wrote:
The web server program will be PARADOX as this computer will access data
through a Sonic wall firewall to our file server. 
Will FreeBSD 5.3 be a good operating system for us that will provide
excellent security?
From what I gathered from the web, it appears as if "PARADOX" is MS 
Windows-only software.  Or am I mistaken here?

mkb.

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Re: how do I permit ordinary users to mound SCSI devices ?

2005-01-06 Thread Matthias Buelow
Kevin Smith wrote:
How do I permit ordinary users to mound SCSI devices ?
As suggested in the FAQ, section 9, I am able to allow members of 
operator group mount the cdrom by setting sysctl -w vfs.usrmount=1
This does not appear to work with SCSI devices.  (ex: /dev/da0s2)
I get the error:
 > mount -t msdos /dev/da0s2 ~/ipod
msdosfs: /dev/da0s2: Permission denied
the last time I was bitten by that issue, the mount point had to be 
owned by the user (group write access apparently isn't enough).  that's 
a bit of a problem with things like gui mounters and I hope that that 
behaviour will be changed sometime in the future.  at least I can't see 
any security problems with a user being able to mount over a mountpoint 
where he only has group write access.

mkb.
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Re: FreeBSD on Sun SPARC 20

2005-01-06 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
I've got a Sun SPARC 20 collecting dust, and I was wondering if any
version of FreeBSD would run on my Sun SPARC 20? From what I can gather
FreeBSD only works on UltraSPARC.
Maybe not FreeBSD but both NetBSD and Solaris work very well on the 
Sparc 20, and they're available for free.  (Well, actually if your SS20 
has more than one CPU, you'd have to get a commercial license for 
Solaris 9, and shouldn't use the free license, since that's only for one 
CPU but I mean, it's hardly stealing candies from little children, is 
it... and reportedly Solaris 10 will be "open source" anyways, so what.)

mkb.
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Re: FreeBSD on Sun SPARC 20

2005-01-07 Thread Matthias Buelow
Ted Mittelstaedt wrote:
Also, with a Sparc 20 try to load a copy of Solaris 2.6 rather than a later
copy, it will run faster and Sun still releases patches for it.
Hmm, I don't know if that's worth it.  I run Solaris 9 on an SS20 (2x 
60MHz SM61, 224MB RAM) and am very satisfied with its performance.  I 
have run Solaris 2.5.1 aswell as 7, 8 and 9 on various SS5 (all 110mhz 
MicroSparc, ~128mb RAM average), and Solaris 9 seemed to me to be the 
best performing system on that old hardware (of course it always pays to 
disable some of the crud that it normally starts at boot, but that holds 
for all SunOSen).
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Re: ghostscript install error on 5.3-RELEASE

2005-01-08 Thread Matthias Buelow
Chandler May wrote:
Never mind, I just deleted work and the ghostscript folder from
distfiles... the installation is working now. So far so good - it has
gotten farther than before, I think.
You might want to file a PR that the port is broken with certain options 
(with sendpr, or via the web form at http://www.freebsd.org/send-pr.html).

mkb.
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Re: xorg and xfree86

2005-01-08 Thread Matthias Buelow
Vulpes Velox wrote:
Xorg beat XFree86 out in regards of features in the newest release.
And in regards of bugs.  I've never seen so many random BadWindow errors 
when doing remote X than I have with X.org.  Not even old DEC and HP R5 
servers were so bugged.  But of course stability is for bean counters... 
it's much more important to add heaps of new gizmos to support the 
latest Gn0m3 eyecandy extravaganza.

mkb.
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Re: file roo large !!

2005-01-10 Thread Matthias Buelow
Malcolm Kay wrote:
Is it really possible to have a ext3fs mount under FBSD 5.3? I know you
can mount an ext2fs file system and an existing linux ext3fs will probably 
mount successfully (without journaling) as an ext2fs; but is this what are 
you trying to do?
I've last mounted ext2 on 5.2.1 (it was probably considered broken then 
since the module was excluded from the kernel build and had to be 
uncommented explicitly in the Makefile) and encountered a 2gb file size 
limit.  Perhaps this problem isn't completely resolved yet?

mkb.
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Re: Serial communication, terminal

2005-01-12 Thread Matthias Buelow
Florian Hengstberger wrote:
I have a microcontroller with an uart interface.
I want to communicate with my computer through the serial port
of my FreeBSD box.
Is it somehow possible to connect the serial io to a xterm?
Case it is not: I don't want to write a program myself -
is there an existing program handling the io?
kermit (ports/comms/kermit) is probably the most widely used terminal 
program, and it has more features and communications protocols than 
you'd ever need (including scriptability).  cu has already been 
mentioned, tip is similar, and minicom is another one, imitating 
DOS-style terminal emulators (telix, telemate), although it's a bit 
inflexible.

mkb
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Re: del key in bash or tcsh

2005-01-14 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
Does anybody know how to change this 
annoying default behaviour of bash or sh
in FreeBSD when somebody presses the del key?
When I press the del key I want this to work 
as it works on any editor or in Linux bash!
Anyway to achieve this?
as we cannot guess what the behaviour that you desire actually is, I'm 
contributing a few tips:

 - configure xterm (or the terminal emulator you're using) to emit the 
appropriate key sequence when the "delete" key is hit.  In xterm, this 
can be done via X resources, see xterm(1).  For example, make it send ^?.

 - set the terminal line discipline's erase key to that key (see 
stty(1)), or use bash's readline keybindings functionality to bind that 
key to the function you like.  I'm not that familiar with readline or 
bash but it's doable and described in either the bash manpage, or 
readline's documentation (info files).

For sh which command controls the color?
none.
mkb.
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apm on 5.3

2005-01-14 Thread Matthias Buelow
I'm trying to get APM to work (ACPI makes the kernel crap itself when I 
insert or remove a pcmcia card into my Armada m700 notebook) and load 
the apm.ko from loader.conf.  However, it doesn't seem to create the 
necessary device entry /dev/apm, and apmd and apm(8) complain about 
that.  What's the proper way to enable apm on 5.3-STABLE?  Or, any way 
to enable it at all?  Do I have to compile the driver into the kernel 
instead?

mkb.
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Re: Cut and paste in Emacs

2005-01-15 Thread Matthias Buelow
Kris Maglione wrote:
I, personally, still don't completely understand the entire unix/X cut 
buffer system. First, there is more than one cut buffer, but I doubt 
that that's your problem. Second, there is select-to-copy and 
select+right click.../ctrl+c/... to copy. These use two different 
X11 cut&paste is a mess.. the OP might try to use xclipboard as an 
intermediate target.  It often works, when two programs use different 
mechanisms for selections.

mkb.
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Re: I need a cuppa...

2005-01-15 Thread Matthias Buelow
Jonathan Chen wrote:
Blame Sun; they don't make it easy for organizations like FreeBSD
to release a binary version of Java.
Even Apple doesn't show up in their radar... what do you expect.
Java is as proprietary as it gets.  (Unfortunately many of us need it.)
mkb.
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Re: I need a cuppa...

2005-01-16 Thread Matthias Buelow
Chuck Swiger wrote:
Even Apple doesn't show up in their radar... what do you expect.
This is untrue.
The Mac Runtime for Java is a high-priority environment for both Apple 
When I go to java.sun.com, I can download the jdk for: Linux, Windows, 
Solaris.  That's what I meant.

Java is as proprietary as it gets.  (Unfortunately many of us need it.)
Nonsense.  While Java isn't OSI Open Source compliant, it's more open 
than anything which *doesn't* come with the sources included.
Proprietary is proprietary.  Java is not standardized, Sun has an iron 
clutch on it (you can't name a reimplementation "Java[tm]"), and, in 
contrast to Sun's marketing spindoctors, it's a rather unportable 
environment (not the least due to Sun's licensing policy).  So what's 
"open" there?  The fact that you may download it without license fees 
for a selected few systems, and that they document their product?

mkb.
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Re: I need a cuppa...

2005-01-16 Thread Matthias Buelow
Chuck Swiger wrote:
If you choose not to see any distinction between software which is 
freely available and comes with source code, and between other forms of 
software which neither comes with source nor is free, fine.
No. "Open" has for a long time referred to "industry standard", before 
it was used for free software.  But java is neither.

mkb.
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Re: FreeBSD I LOVE YOU

2005-01-19 Thread Matthias Buelow
Anthony Atkielski wrote:
Indeed, someone in the Third World without the means to buy a new PC and
an expensive Windows license could find a junk PC and install FreeBSD on
And where do you think would they "find" this "junk PC"?
Don't you think that's a bit condescending?
Like, "let's give those negroes our old shoes"?
They can perfectly well buy new machines at local retailers (there are 
some in bigger cities) for a fraction of the money that it would take 
you to ship'em your old rustbucket.  Why don't you send some money instead?

mkb.
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Re: My 'ls' is all messed up?!

2005-01-19 Thread Matthias Buelow
Happens sometimes to me when some characters from a binary file are
displayed on the screen as is.   Or, some other stty(1) setting.
Typing reset/tset(1) or closing-and-/opening another xterm(1) works
for me.  Xterm i say for that i use most than console.
or ctrl+ in xterm, which pops up a menu, from which you can 
select "full reset".
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Re: FreeBSD I LOVE YOU

2005-01-20 Thread Matthias Buelow
Scott Bennett wrote:
 And so your preference would be that the machines should go to a landfill
rather than to someone who can't afford a computer at all?
Here in the Civilized World, we recycle the materials used in computers 
(well, most of them), we don't throw them into the sea.

 You sound awfully willing to spend other people's money.  Perhaps you
should ask them to buy you some texts on economics.
Perhaps you should attempt to do some calculations and try to find out 
which is actually less expensive, and at the same time, provides bigger 
benefit.  Apart from the fact that a person who speaks Arabic or 
Indonesian, or Pashtu probably has little use for a "kewl-themed" 
blackbox desktop, or something like that.  That works for us 
latin-script Unix geeks with a working knowledge of English but 
certainly not for an average user in the 3rd World.  And anything that 
gets near internationalization on Unix or Linux, namely KDE and Gnome, 
requires even more powerful hardware than "Windoze" and probably still 
doesn't have the kind of local language integration that a localized 
version of Windows has.

Wake up from your pipe dreams.  Shipping decommissioned computers to the 
3rd world is not going to solve any development problem.  Cheap Asian 
computers with a pirated localized version of XP Home and Office are a 
lot more effective here.
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Re: FreeBSD I LOVE YOU

2005-01-20 Thread Matthias Buelow
Colin J. Raven wrote:
Eh? Surely you don't meant trashed - physically annihilated?
Phew! I believe in radical solutions certainly, but..umm..isn't that 
going just a little bit too far? :-)
I'm assuming you mean destructively formatted...
Surely that depends on what was on them.  The disks from Internet Cafe 
computers are most likely unproblematic.

mkb.
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Re: PDF file editor

2005-01-20 Thread Matthias Buelow
E. J. Cerejo wrote:
Is there a port that allows you to edit a pdf file or fill it in?
acroread (/usr/ports/print).
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Re: sensitive data on disks (was: FreeBSD I LOVE YOU)

2005-01-20 Thread Matthias Buelow
John wrote:
What do you folks have on your hard drives that is worth thousands
of dollars and weeks of time for someone to recover?
Err.. I'd guess that most people who use their machine for business have 
sensitive data on it that can easily be at least a couple thousand 
dollars worth... for companies that could easily be many millions, of 
course.  Customer databases, or strategy plans can ruin a company, if 
falling into the wrong hands.

If it was as easy as you describe, we'd rarely need backups.  Your
disk drive crash?  Oh, just bring it to the local recovery service
and they'll get all your data back for $9.95.  NOT
It doesn't cost $9.95 but for $9950 you'd probably stand a good chance 
of getting (hopefully large) parts of your data back.  After all, 
there're enough companies specialized in just that.  A friend of mine 
did employ a data recovery company on such an incident not too long ago.

mkb.
P.S.: As a side note, I recommend using some kind of crypto block driver 
for laptops, on NetBSD I use cgd, which works very well, on FreeBSD 
there's gbde, although I've never used it and don't know how reliable it 
is.  The performance hit is acceptable, with cgd, I get ca. 50% the 
write performance on my old Armada my700, so it doesn't really affect 
ordinary use.  I understand that there exist similar things for Windoze 
aswell, don't know if it's in XP Pro out of box, aswell as probably for 
MacOS X.

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Re: FreeBSD I LOVE YOU

2005-01-20 Thread Matthias Buelow
David Gerard wrote:
So something around 500MHz will happily run Pango and the other
cutting-edge internationalisation stuff if you fill it with memory.
My experience is that with a 500Mhz Pentium 3 (512K cache, 512mb RAM, 
Matrox G450 AGP graphics), Gnome (2.6 tested) is unbearably slow.  A 
large factor here is the Xft font rendering (Ok, you could use xterm 
instead of gnome-terminal, or switch off antialiasing), which is 
unaccelerated (at least was then), and _brutally_ slow.  If you run 
something with copious output in gnome-terminal, it'll more or less lock 
up the entire machine.  I don't normally use Gnome, but evaluated it on 
that old machine for some reason that is of no interest here.  KDE is a 
bit faster, don't know why, but seems to use more RAM.  IMHO you need at 
least a 2.8 or 3GHz P-IV for that kind of desktop to get things to run 
well, and, in my experience, raw CPU power here is the dominating 
factor.  Of course these machines are still perfectly usable with 
windowmaker, or fvwm, or similar.

mkb.
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Re: FreeBSD I LOVE YOU

2005-01-21 Thread Matthias Buelow
David Gerard wrote:
My experience is that with a 500Mhz Pentium 3 (512K cache, 512mb RAM, 
Matrox G450 AGP graphics), Gnome (2.6 tested) is unbearably slow.  A 
I have read that pango is grossly CPU-hungry, but that the project is
keenly aware of the problem. (But refuses to do the easy thing of special
I never understood why they couldn't use pre-rendered glyphs when the 
background is a uniform white, or sth. like that.  Anyways.  Compare it 
with Quake3, which ran very well on the above hardware.  Just to see in 
what ballpark today's "modern" desktops are, when apparently they don't 
seem to do much, they do in fact burn CPU cycles like hell.  Of course 
Q3 is hardware accelerated, but still.

mkb.
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Re: How to identify xterm font

2005-03-10 Thread Matthias Buelow
Sergei Gnezdov wrote:
I like the size of the xterm window.  It is small and it uses very
easy to read font.  Unfortunately, it does not play very well with
emacs.  For these reasons I use Gnome terminal.  Gnome font is bigger,
thus it takes more space on the screen.  How do I identify which font
is used by xterm, so I can apply it for gnome terminal?
Gnome terminal uses Xft, so I'd say you'd first have to mess with 
fontconfig and alias your xterm core font to an appropriate Xft font.

I also would like to know why my ~/.Xdefaults configuration is not
applied in Gnome.  It worked just fine in KDE and most other
environments.
try ln -s .Xdefaults .Xresources
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Re: FreeBSD 5.3 I/O Performance / Linux 2.6.10

2005-01-24 Thread Matthias Buelow
Chris wrote:
In addition, was on OS running a window manager and the other not? Was 
I seriously doubt that raw disk performance of such a test is noticably 
affected by the existence of a window manager, or sshd...

mkb.
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Re: FreeBSD 5.3 I/O Performance / Linux 2.6.10

2005-01-24 Thread Matthias Buelow
Oliver Fuchs wrote:
Maybe there is a performance problem with FreeBSD - but again that was not
his question.
I don't know why people are so obsessed with performance.. after all, 
you can't really load stock Unix systems properly anyways (like, say, an 
IBM mainframe, which you can keep at 90+% loaded all the time), so it 
really doesn't matter, as long as the machine is "fast enough".  What 
matters a _lot_ more, imho, is stability and robustness, and imho here 
the attention should lie at this early stage of the 5.x tree.  5.3 
robustness is far from spectacular, there're too many ugly bugs still 
around to bother about peak performance improvements just yet.  Make it 
reliable first, and only then fast.

mkb.
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Re: FreeBSD 5.3 I/O Performance / Linux 2.6.10 | Continued Discussion

2005-01-25 Thread Matthias Buelow
Petri Helenius wrote:
Are you sure you aren't comparing filesystems with different mount 
options? Async comes to mind first.
a) ext3 and xfs are logging filesystems, so the problem with 
asynchronous metadata updates possibly corrupting the filesystem on a 
crash doesn't arise.
b) asynchronous metadata updates wouldn't have any performance benefit 
on a dd if=/dev/zero of=tstfile.
c) please cut down your quotes, and write your answers below or between 
the quoted text, instead of the outlook text-above-fullquote style. thanks.

mkb.
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Re: Remote FreeBSD Installation

2005-01-25 Thread Matthias Buelow
Jacob S wrote:
http://www.daemonology.net/depenguinator/
The penguin shall fall ;)
Looks nice. Thanks!
But make sure first how much a re-setup costs you.  Or how much they 
charge for "remote hands".  Or at best, get some eRic II or DRAC remote 
management card option.  I think it's safer to assume that your system 
will become completely botched up, so better be safe than sorry.

mkb.
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Re: Partition Size

2005-01-25 Thread Matthias Buelow
Jerry McAllister wrote:
This 'rest of the disk' should be divided up into chunks that can
be dump(8)ed to one backup media if possible.   Otherwise you will
get sloppy and not do backups because it is harder.  Since there is a 
What kind of nonsense is this?  I've never heard about such an advise, 
and it doesn't make sense to me.  Surely dumping a filesystem to 
multiple tapes isn't more, most likely less, effort than dumping n 
filesystems to one tape each.  The only case this doesn't hold is when 
you're using amanda, but that's hardly a home setup, and comes with a 
special backup discipline anyways.  Actually, I doubt that many people 
use tape backup at home, considering how outrageously expensive the 
stuff is, and the inexpensiveness of usb disks these days, which are a 
lot easier to handle than tapes.

mkb.
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Re: No disklabel, but it still boots

2005-01-26 Thread Matthias Buelow
Pete Yandell wrote:
$ disklabel -r ad6  ~
disklabel: bad pack magic number (label is damaged, or pack is unlabeled)
The disklabel is on ad6s1, not on ad6.  The kernel does automatically 
generate "fictitious" labels for unlabeled disks, no matter if it's 
being used for BSD, or not.

mkb.
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Re: X11 / keyboard emacs?

2005-01-26 Thread Matthias Buelow
Tom Vilot wrote:
What I don't understand is how to make that global. That is, applied to 
all Window Managers. If I run AfterStep or WindowMaker, these keyboard 
bindings do not apply and I can't figure out how to make them apply 
irrespective of the window manager currently running.
have you tried to include the above bindings in your $HOME/.gtkrc-2.0 
file?  maybe then it will get read by all applications using the gtk 2.x 
toolkit.

mkb.
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Re: X11 / keyboard emacs?

2005-01-27 Thread Matthias Buelow
Tom Vilot wrote:
have you tried to include the above bindings in your $HOME/.gtkrc-2.0 
file?  maybe then it will get read by all applications using the gtk 
2.x toolkit.
Thank you thank you thank you ...
This has been driving me bonkers! 
It's not a systemwide setting .. but that's okay. In my home directory 
will do .
actually I think it's a little more involved.. or not.
the bindings alone will probably not do, you also have to activate them.
for an ordinary theme, you simply include in your .gtkrc-2.0 the line
gtk-theme-name = "Foobar"
maybe gtk-theme-name = "Emacs" will already work.
if not, you somehow have to attach the defined bindings to the 
appropriate widgets; you probably have to google around a bit, or look 
it up how it's done in other theme files, since the gtk developers 
haven't deemed it necessary to document the gtkrc syntax (...)
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Re: X11 / keyboard emacs?

2005-01-27 Thread Matthias Buelow
I wrote:
maybe gtk-theme-name = "Emacs" will already work.
That didn't work but one apparently can include files.
The following line appended to ~/.gtkrc-2.0 enabled "emacs" keybindings 
for me in the text entry widgets:

include "/usr/X11R6/share/themes/Emacs/gtk-2.0-key/gtkrc"
Don't know if that's the "proper" way to do that but it seems to work ok 
(no warnings when starting gtk2 apps).
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Re: OpenGL hardware acceleration with FreeBSD 5.3

2005-01-27 Thread Matthias Buelow
Jorn Argelo wrote:
Of course. You want to use Linux drivers, so you need Linux compatibility.
he doesn't need linux drivers.  the g400 has been supported by XFree for 
many years, including DRI.  I can't quite see a problem with his xorg 
config, maybe he has installed some mesa port, which overwrote the 
corresponding base X11 libraries (happened to me once)?

to michael madden: make sure
$ pkg_info|grep -i mesa
comes up empty.
mkb.
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Re: Java Runtime Environment (JRE)?

2005-01-27 Thread Matthias Buelow
Clint Olsen wrote:
I was cruising around the ports system, looking for JRE-1.5 or an
equivalent, so I can get Java applets to run in Firefox.  Is there a Linux
port of this since Sun does binary releases of this?
pkgsrc/lang/sun-jre15
(requires linux emulation)
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Re: Java Runtime Environment (JRE)?

2005-01-27 Thread Matthias Buelow
I wrote:
pkgsrc/lang/sun-jre15
err.. wrong list, wrong OS (although pkgsrc also supports freebsd).
you may want to look at ports/java/jdk15, or one of the linux-*-jdk15 in 
the same directory.

mkb.
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Re: Java Runtime Environment (JRE)?

2005-01-27 Thread Matthias Buelow
Gert Cuykens wrote:
So is the linux emulation a bad thing or a good thing, i dont
understand very well what we need to do here to have java 1.5 in
firefox on my amd 64 ? sorry :)
Linux emulation is both a good, and a bad thing.  Good, because software 
that is available only for Linux (usually binary-only, closed-source) 
can be run on FreeBSD, and bad, because it removes an (albeit small) 
incentive to port applications to FreeBSD (or NetBSD, ...).

I've never used java with firefox so I can't help you there.
mkb.
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Re: does freebsd has a bit torrent client ?

2005-01-28 Thread Matthias Buelow
Gert Cuykens wrote:
find / -name "*torrent*"
or just "locate torrent|grep ports", when weekly/310.locate has run at 
least once (that is, it won't work right after installation, unless 
you've run the script manually).  /usr/ports is not normally exempt from 
updatedb.

mkb.
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Re: does freebsd has a bit torrent client ?

2005-01-28 Thread Matthias Buelow
Gert Cuykens wrote:
please dont tell me bittorent just installed mozilla and all that
phyton ... to go to the internet and show the face of the developer
when you do this : (
bittorrent is written in python, so you probably can't do without it. 
the thing about mozilla, well.  freebsd ports are infamous for having 
outrageously pathetic dependencies sometimes (sometimes I think, a port 
maintainer just adds everything currently installed on his own machine 
to the depencency list, just so that it "works for me, works for you").

mkb.
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Re: BSD

2005-01-28 Thread Matthias Buelow
Gert Cuykens wrote:
Come on guy's admit it, it all started with making a Free Boobies
Search Device for the internet :P
crap.. he found out about it...
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Re: uhexen, doom, heretic, etc...

2005-01-28 Thread Matthias Buelow
Mike Hauber wrote:
I've built/installed these games from the ports tree, and they 
start fine.  However, the sound is terrible.  The sound card 
seems to be echoing each sound at least 5 times.  This, in turn, 
slows the games down.
the sound server of the doom-derived games has always been terrible.. in 
the past, it had been lagging ~5 seconds or so.
when I played those games on linux or freebsd years ago (especially 
heretic), I usually listened to some inspiring sound tracks from CD 
instead of the game sound. ;)

mkb.
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Re: having 1.5GB RAM I cannot allocate more than 512MB RAM in 4.10

2005-01-29 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
I have an AMD Athlon-XP with 1.5GB RAM.
Unfortunately my FreeBSD 4.10 throws a memory allocation 
error when in a simple C++ program I try to allocate 
with new 512MB of RAM or more. Until 511MB it goes fine!
what's the output of ulimit -d?
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Re: having 1.5GB RAM I cannot allocate more than 512MB RAM in 4.10

2005-01-29 Thread Matthias Buelow
John wrote:
what's the output of ulimit -d?
You must be using a csh-derivative.  It is a built-in for the Bourne-
shell family of shells.
the csh correspondent is "limit".
it only affects the shell and its children (so put a setting in 
/etc/profile, /etc/csh.login, or configure the limit via /etc/login.conf 
if you want it to be global).

mkb.
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Re: Graphviz fonts

2005-01-29 Thread Matthias Buelow
Kirk Strauser wrote:
I've tried adding every Truetype font path on my system to its "fontpath"
variable, but I get the same error but with a much longer list of 
directories.  Any ideas?
have you tried running fc-cache?
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Re: having 1.5GB RAM I cannot allocate more than 512MB RAM in 4.10

2005-01-29 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
This is the output of my ulimit:
#ulimit -a | grep data
data seg size (kbytes, -d) 524288
#
So what is next?
Is it possible to embed that information in the kernel? 
Or, how is this information set by default? Is there any specific
.conf file I should edit?
the ulimit (or limit on csh) shell builtin sets the process limits (see 
getrlimit(2)) for the current process (and its children).  please 
consult your shell's manual for the syntax of limit/ulimit.  run it in 
your shell startup files, or set the limits in /etc/login.conf for your 
login class.  you can bump up the limits up to the hard limit (limit -h, 
ulimit -Ha).

mkb.
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Re: ee editor rules :)

2005-02-03 Thread Matthias Buelow
Ruben de Groot wrote:
Does anyone have an "Idiots guide to VI"?
There isn't. vi was never meant to be used by idiots ;-)
au contraire.. read the shocking truth about vi.. the story the CIA 
doesn't want you to know about.. the story of Vince Idiot:

http://www.sbernard.ee/vince.html
mkb.
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Re: mx2.freebsd.org in dnsbl.sorbs.net

2005-02-03 Thread Matthias Buelow
Erik Norgaard wrote:
How on earth did it end up there? are someone mad at us? mx1 is not 
listed, but it appears that most list mail comes from mx2...
JFYI, from Matthew Sullivan, SORBS operator:
> Listed in Error - removed.
> Regards,
> Mat
mkb.
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Re: SPAM: Score 3.3: Re: Instead of freebsd.com, why not...

2005-02-12 Thread Matthias Buelow
Jeremy C. Reed wrote:
(Nevertheless, it is not time to advertise FreeBSD as a "desktop"
alternative.)
This is not so much about FreeBSD, as the Unix+X11 combination in 
general.  It does not provide the fully integrated system the typical 
end-user, coming from a Windows or Mac perspective, expects.  That it 
nevertheless works well enough for persons with a technical or 
academical background, and those who invest some time, is not 
questioned.  What the Unix+X11 combination in its current blend doesn't 
provide is the one-size-fits-all solution that Windows and the Mac try 
to achieve.  That's both a good and a bad thing, imho.

There are, of course, situations where Unix is being used as a "desktop" 
successfully.  Think about Unix workstations at universities and larger 
companies, which have been prevalent for the last 15 years.  Or the city 
administration of Munich, which intends to move its Windows desktops to 
a Linux/KDE-based installation.  What these applications have in common 
is, that the desktop user is normally different from the person 
maintaining the installation.  This is different from a SOHO setup, 
where both are normally identical.

mkb.
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Re: SPAM: Score 3.3: Re: Instead of freebsd.com, why not...

2005-02-12 Thread Matthias Buelow
Anthony Atkielski wrote:
Or the city administration of Munich, which intends to move its
Windows desktops to a Linux/KDE-based installation.
Why not just burn taxpayer euro in a bonfire?  It would have the same
end result and it would be faster.
Well, if you just run a set of 1-3 applications, and don't do anything 
else with the computer, there shouldn't be much of a difference.  Think, 
for example, of the software that the clerks feed applications for 
driving licenses or passports into.  That's (most likely) one do-it-all 
software running on the terminal-like PC all the time.  Or a secretary, 
using some kind of office software (I don't know if they consider 
OpenOffice).  Apart from making a political statement, the advantage is 
of course being independent from the Microsoft update cycle.  Of course 
whether it's cheaper having the inhouse staff or a consulting firm 
update the Linux desktops needs to be evaluated first (and I'm sure they 
did).  Another point, as far as I got it, was security, i.e., higher 
resilience towards worms and viruses.
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Re: SPAM: Score 3.3: Re: Instead of freebsd.com, why not...

2005-02-11 Thread Matthias Buelow
Johnson David wrote:
Currently Windows rules the desktop world, even for diehard Unix shops. But
that will not last forever. We need to start thinking about the desktop
today. We need to stop the official discouragement of desktop FreeBSD.
MacOS X is the "Desktop BSD".  It is available today, and it works 
better than anything else at being a "desktop".  Considering the sorry 
state of integrated "desktops" on Unix today (i.e., Gnome and KDE) and 
compare it with Windows, do you really think that will convince any 
Windows user?  Windows really is bad enough already, why should they 
change for a much worse user interface.  For those of us that have been 
using X11 with various window managers for the last decade or more, that 
isn't an issue -- we're used to a different way of working, but those 
Windows types expect quite different things, which they'll only find in 
MacOS, outside of Windows, for the forseeable future.
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Re: SPAM: Score 3.3: Re: Instead of freebsd.com, why not...

2005-02-11 Thread Matthias Buelow
Robert Marella wrote:
MacOS X is the "Desktop BSD".  It is available today, and it works 
better than anything else at being a "desktop".  
Does it work on my intel hardware?
And your point is..?
mkb.
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Re: Please don't change Beastie to another crap logo such as NetBSD!!!

2005-02-13 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
Nope. Beastie is a way of life. I'd be quite upset if it were dropped
for whatever reason. It is so intimately tied to FreeBSD that it would
be a PR disaster if it were to be changed. NetBSD never had a real
The BSD daemon image stems from around 4.3BSD, or an even earlier 
release, not FreeBSD.  It can therefore never be specific for the 
FreeBSD system, in the same way Ronald McDonald doesn't stand for the 
Big Mac alone, but rather for the entire company.  In earlier years, 
before the general hype about Linux and *BSD, I've seen the image being 
used in presentations about Unix in general.

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Re: Freebsd vs. linux

2005-02-14 Thread Matthias Buelow
Chris wrote:
I will agree on this point - A server does not NEED to a WM (none of 
mine do). However, I am speaking from a desktop point of view.
Can you please move that discussion to a newsgroup, or to private mail?
Thanks.
mkb.
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Re: Can't mount partitions with soft-updates enabled with async option

2005-06-18 Thread Matthias Buelow
Lefteris Tsintjelis <[EMAIL PROTECTED]> writes:

>I am not sure if I do something wrong here or it is suppose to work that
>way but the async option doesn't seem to work for partitions that have
>soft-updates turned on. Can someone please clarify the difference and if
>the speed difference (if any) is significant when using the async option
>instead of the soft-updates for cases such as the /usr/obj or as a squid
>data storage? Is async preferred over soft-updates when data loss is not
>a big issue?

With softupdates, everything is asynchronous so the option doesn't make
sense.
For improving squid filesystem performance, have you mounted the
partition with noatime? That might make some difference.

mkb.
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Re: Can't mount partitions with soft-updates enabled with asyncoption

2005-06-18 Thread Matthias Buelow
"Darren Pilgrim" <[EMAIL PROTECTED]> writes:

>No.  With softupdates, file writes are asynchronous, but writes to
>filesystem structures (metadata) are synchronous to prevent filesystem
>corruption if the machine crashes.  The async mount option writes both

That's wrong.

mkb.
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disk write barriers

2005-07-06 Thread Matthias Buelow
Hi folks,

I'd like to know something about the (possible) existence of disk
write-barriers in FreeBSD. I often read the advice that one should
disable write-back caching on modern disks in order to make softupdates
actually work. Unfortunately, disabling the write-back cache on typical
ATA/SATA consumer disks involves a severe performance hit (my Seagate
SATA drive here drops to 1/5th sequential write speed, probably worse
for a random workload, and so this workaround isn't really an option.)

Now I've stumbled across: http://lkml.org/lkml/2005/5/15/88 in which
someone claims that FreeBSD "used ... write barriers long ago".
Write-barriers are a kind of synchronization point around critical
writes (i.e., those which need to be kept in a certain order), where the
block level drivers disable (or flush) the cache before the barrier, and
reenable it afterwards. Windows has been doing that for a long time in
order to make their NTFS halfway reliable (amazing that they got
something right). Linux apparently also has write-barriers, although for
SATA only in the most recent 2.6 kernels.

Now my question is: Does FreeBSD also implements these barriers, or an
equivalent mechanism, as claimed on the above URL? If it does, why then
the frequent advice to disable write-back caching? Or is that only for
the couple drives that ignore any flush cache/disable wb commands? I
know my drive doesn't ignore that command (since performance drops
sharply, when I disable the cache), so I would be on the safe side.
Would it be possible to get an authoritative statement from a FreeBSD
developer here on that matter?

Thanks.

mkb.
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Re: Weird "nice" behavior

2005-07-06 Thread Matthias Buelow
Lowell Gilbert <[EMAIL PROTECTED]> writes:

>> FreeBSD 5.4-RELEASE
>> 
>> I'm trying to do a large local rsync in the background, while listening to
>> streaming audio via RealPlayer and do other stuff. I have the rsync
>> running at nice level 20 ("nice -20") which I've confirmed via ps:

Please try: http://www.chesapeake.net/~jroberson/flushbuf.diff
before this discussion degenerates into the usual handwaving.

The patch seems to fix some awful performance issue with certain disk
i/o loads in 5.4. I don't know whether it's included in 5.4-stable by
now.

mkb.
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Re: Account password expiration

2005-07-06 Thread Matthias Buelow
Mike Carlson <[EMAIL PROTECTED]> writes:

>Is there a way in 5.x to have account passwords expire every 180 days? Or I 
>should say N days really. I think this was once tunable in /etc/login.conf 
>but thats has been repalced with PAM.

man pw pw.conf

mkb.
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Re: disk write barriers

2005-07-07 Thread Matthias Buelow
Lowell Gilbert <[EMAIL PROTECTED]> writes:

>Do you have a background in OS design?  It affects the answer, because
>you seem to be referring to access barriers and disk cache flushes
>interchangeably, which doesn't make sense, especially on
>multiprocessor systems.

>From what I understand from some googling, disk write barriers are
specially crafted i/o requests (within the vfs/driver infrastructure)
that are acted on by block drivers as following: all requests before a
barrier request will be completed before any request that follows the
barrier is executed. The driver accomplishes that by issuing the
respective flush commands (or uses queue ordering or whatever is
supported by the drive) or (in the case of IDE/SATA), may disable and
reenable the cache on a barrier. Thus, the barrier maintains an on-disk
ordering in requests between "earlier" and "later" requests (otherwise
the driver and/or the disk could reorder writes at will).

Since the system doesn't actually run with the cache disabled because
it's only used for flushing at sequence points, neither performance nor
drive wearout is negatively influenced (noticably, that is).

An actual application of this is, with journaled filesystems, that the
journal will get written to disk before the data is updated. This will
guarantee filesystem integrity. From what I understand, MS Windows is
doing it that way, and Linux is also using that mechanism (with support
for SATA disks only in the latest 2.6 kernel, though.)

>The problem with caching has nothing to do with flushing the cache; if
>you flush the cache often, there's no advantage to using it anyway.
>The whole speedup from using on-disk caching comes from the fact that
>the drive reorders the writes at will, and lies to the operating
>system by saying the writes are done when they aren't.  Among other

Apparently, performance (and wear&tear) is not overly negatively
influenced, since it's used only for periodic flushing after the journal
has been written (or potentially, at other events, such as a sync() or
fsync() etc.)

>obvious problems, this negates the careful ordering calculated by
>softupdates.

That's where my headaches start.
Softupdates doesn't write a journal at intervals but seems to order
writes in general, in a continuous way. Therefore, it would appear that
there are no such sequence points. I'm not really aware of the details
of how softupdates works, so I'm probably wrong.
I only know that running with the cache disabled seems to be the only
safe way to assure that the ordering done by softupdates isn't broken.
But disabling the cache is a no-no on modern drives, since they are
constructed to be used with the cache on, and disabling it will yield
terrible performance and significantly reduce the MTBF, at least on
IDE/SATA drives (I'm not talking about enterprise-grade 15krpm SCSI
drives, where the situation might be different).

So what's the recommended procedure? Relying on an UPS or that the power
will not fail? I mean, I could run fully asynch then and the whole
softupdates is of little use, except for (relatively rare) occasions of
a kernel crash.

>This doesn't follow.  Just because you know that your drive supports
>disabling the cache does not mean that it is safe to do so.

Why is that so?

mkb.
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Re: procmail kill problems in dmesg?

2005-07-07 Thread Matthias Buelow
Matt Juszczak <[EMAIL PROTECTED]> writes:

>Procmail is the only one segfaulting with signal 11.  POP3 has exiting 
>with signal 6 a few times, but only a few, and its been sporadic.

I assume that you've checked that you're running the latest version (or
ports version) of procmail?

mkb.
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Re: FreeBSD Serial ATA hard drives support

2005-07-10 Thread Matthias Buelow
DMVN <[EMAIL PROTECTED]> writes:

>Q: Does the FreeBSD 5.4 support SerialATA hard drives?
>I tried to install previous version (5.3) on the machine
>with 160GB Seagate Barracuda (8mb cache) drive (ST3160023AS).
>It said something like "no hard drive found".

ad4: 152627MB  [310101/16/63] at ata2-master SATA150

What controller do you have? I've got Intel ICH6 here onboard.

mkb.
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Re: Make Image of Hard Drive

2005-07-10 Thread Matthias Buelow
Phusion <[EMAIL PROTECTED]> writes:

>I recently built a FreeBSD server, and was wondering how I can make an
>image of the hard drive. I am going to build an another FeeBSD server
>using identical hardware. How can I make an image of the hard drive of
>the original server I built and copy/install it to the new server?
>Each server has a 6.4 GB hard drive. Is there a way I can create an
>image then install via the network to a new server in the future if
>need be? Let me know.

http://www.feyrer.de/g4u/

mkb.
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Re: Gqview permantly frozen

2005-07-12 Thread Matthias Buelow
Lawrence Petrykanyn wrote:

>I am unable to navigate the directory tree as simply nothing happens 
>when I click on File, View, etc. or any of the icons.  I was able to use 
>it fine in 5.3, but have done a clean install of 5.4 since.

Have you tried to rm -rf ~/.gqview and possibly .thumbnails?

mkb.

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Re: dangerous situation with shutdown process

2005-07-14 Thread Matthias Buelow
Jon Dama wrote:

>Request Barriers under linux exist to prevent the low level kernel block
>device layer from reordering write operations from the upper file system
>layers.  Request Barriers consist of nothing more than tagging internal
>queues within the Linux kernel itself.  They do nothing to resolve the
>underlying failures of the hardware to provide proper semantics to the
>block device layer.
>but, Request Barriers are ultimately useless.  They can't resolve the
>underlying problems with ide/sata and there are already exposed semantics
>for scsi.

If you flush the cache at barriers, on-disk integrity of the journal
vs. metadata updates is guaranteed.

mkb.
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Re: dangerous situation with shutdown process

2005-07-14 Thread Matthias Buelow
Lowell Gilbert <[EMAIL PROTECTED]> writes:

>Jon Dama <[EMAIL PROTECTED]> writes:
>> however, journaling fairs no better, and request barriers do nothing to
>> solve the problem.
>
>I had assumed that the sequence of operations in a journal would be
>idempotent.  Is that a reasonable design criterion?  [If it is, then
>it would make up for the fact that you can't build a reliable
>transaction gate.  That is, you would just have to go back far enough
>that you *know* all of the needed journal is within the range you will
>replay.  But even then, the journal would need to be on a separate
>medium, one that doesn't have the "lying to you about transaction
>completion" problem.]

No, it needn't. It is sufficient that the journal entries for a block of
updates that are to follow are on disk before the updates are made.
That's all. This can be achieved by inserting a write barrier request in
between the journal writes and the actual data/metadata writes. The
block driver will, when it sees the barrier, a) write out all requests
in its queue that it got before the barrier, and b) flush the cache so
that they will not get intermixed by the drive with the following data
writes.

What could happen now when the power goes away at an inopportune moment?
[Note that I'm only talking about filesystem integrity, not general
data loss.]

* If power goes away before the journal is written, nothing happens.
* If the journal is partially written, and power goes away, it will
  be partially replayed at boot but the filesystem will be consistent.
* If power goes away, when the journal is fully written, but no
  metadata updates have been performed, they will be performed at
  boot and everything is as if the full request has completed before
  power went out.
* If power goes away when the journal is fully written, and parts of
  the metadata updates have been written, those updates will be performed
  twice (once more at reboot) but that won't matter since these operations
  are idempotent. The remaining metadata updates are then performed
  once, at reboot.

So where is the need for the journal to be on a seperate medium?
The only thing that matters is that no metadata updates will be written
before the journal has been written, and flushing the disk cache at a
barrier will ensure this. Note that the disk doesn't even have to flush
the cache when it receives that command, it only has to ensure that
it'll perform all requests before the flush in front of those that come
afterwards.

>I have no idea what "designed to be used with the write-back cache
>enabled" could affect the operating life of the disk.  

If you disable the write cache, you get a much higher wear&tear due
to much more seeking.
If I observe a 5x performance degradation when the cache is disabled,
for sequential writes (i.e., no cache overwriting effects), I would
think that I also have a factor >1 of increased seeking operations in
the drive, otherwise the performance degradation cannot be explained.
[Besides, the disk gets really loud when the cache is disabled.]

mkb.
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port www/mozilla 1.2.1 disable anti-aliasing

2003-01-30 Thread Matthias Buelow
Hi folks,

sorry if this has been asked before but how does one disable 
anti-aliasing in the www/mozilla port (mozilla 1.2.1)?  I have upgraded 
from 1.1 to 1.2.1 via ports today only to find that the visual display 
is rather seriously broken; any font everywhere is anti-aliased, even 
the menus, dialog boxes etc.  Even worse, the fonts look as if one has 
written them with a typewriter with an ink ribbon that's already far 
beyond its lifetime.
Why I'm asking here is because I've heard from a friend that Mozilla 
doesn't come that way per default and that it must be specifically built 
to provide full anti-aliasing everywhere (why one would want to do this 
eludes me, though.)
So is there any way to make the mozilla port 1.2.1 behave like 1.1? 
I.e., only use anti-aliasing for large fonts in the rendered html text? 
 I'm using the new version for a mere 15 minutes now and I can alread 
feel a headache coming in from having to look at that mess (even worse 
because I also use mozilla for mail.)

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Re: port www/mozilla 1.2.1 disable anti-aliasing

2003-01-30 Thread Matthias Buelow
Joe Marcus Clarke wrote:


# cd /usr/ports/www/mozilla
# make -DWITHOUT_XFT install


Isn't there any way to disable it at runtime?
Oh, well.. rebuilding it right now.

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Re: port www/mozilla 1.2.1 disable anti-aliasing

2003-01-30 Thread Matthias Buelow
Kuroishi Mitsuo wrote:


add in ~/.mozilla/default/*.slt/user.js 
user_pref("fonts.xft.enabled", false); 

thanks, I'll remember that.  I've now rebuilt it without XFT support, as 
Joe wrote, and it works a lot better now.  Although it doesn't 
anti-alias huge fonts anymore (I was under the impression that it did 
with the old version but I may be wrong.)

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Re: port www/mozilla 1.2.1 disable anti-aliasing

2003-01-30 Thread Matthias Buelow
Joe Marcus Clarke wrote:


No, without Xft support, there was no anti-aliasing.  I do have some
example fontconfig configurations that selectively disable AA on certain
font sizes.  However, it sounded like you wished to revert Mozilla back
to the way 1.1 was.


Yes, that's what I wanted.  Maybe I have confused the aa'ing (or rather, 
the lack of it) of huge fonts in 1.1 with something else, I didn't pay 
much attention to such details before when it didn't scream in my face.
I'd be interested in your fontconfig configurations if they can make the 
antialias mechanism to apply only to fonts over a certain size.

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Re: Fonts in Mozilla

2003-02-03 Thread Matthias Buelow
Wayne Pascoe wrote:


I've just installed Mozilla from ports (mozilla-1.2.1_1,2) and the
fonts are AWEFUL! I've then installed most everything in
/usr/ports/x11-fonts and added them to my Fontpath. 

I have inquired about a similar problem these days and the solution I 
got was to disable the use of XFT when building mozilla, i.e., build it 
with "make install WITHOUT_XFT=yes".  This will disable the 
anti-aliasing stuff altogether, restoring the appearance of Mozilla 1.1.
The advantage will be that you don't get a headache after 15 minutes of 
using mozilla (the default anti-aliased fonts, even in the widgets and 
all, you'll get with the port build look like you were very shortsighted 
and took your glasses off, or at least that's how I imagine it.)
The disadvantage is that even huge fonts in the webpage don't get 
smoothed.  Joe Marcus Clarke also posted a different solution using 
fontconfig, by disabling anti-aliasing for fonts under a certain size. 
I didn't try that yet and can't comment on its usefulness.  Check the 
mailing list archive for the postings.

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mdmfs /tmp and fstab on 5.0

2003-02-21 Thread Matthias Buelow
Hi folks,

I usually mount /tmp on the swap via the following fstab entry:

/dev/da0s1b /tmp mfs rw,nosuid,nodev,nosymfollow 0 0

only this doesn't work anymore on freebsd 5.0 since mount_mfs doesn't
exist (seems to have been replaced by mdmfs).
What's the proper way to accomplish the same thing on 5.0?
I'd prefer a solution with fstab, so that /tmp gets mounted as early
as possible.

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Re: mdmfs /tmp and fstab on 5.0

2003-02-22 Thread Matthias Buelow
Jan Grant writes:

>ln -s mdmfs /sbin/mount_mfs

Yes, that's a workaround I had in mind.

>As I recall, mdmfs wasn't called "mount_mfs" at the time because the
>author wasn't prepared to fight the battle he assumed (probably
>correctly) would arise out of doing so.

I can't see any problem there, if the mdmfs program is compatible
with mount_mfs.  I mean, the manpage even explicitly says, "the mdmfs
utility is designed to be a work-alike and look-alike of the
deprecated mount_mfs(8)."  Why then the different name, especially
with the result that it can no longer be used with fstab?  I mean,
the old mount_mfs doesn't seem to exist anymore so there would be no
naming conflict.

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Re: mdmfs /tmp and fstab on 5.0

2003-02-22 Thread Matthias Buelow
I wrote:

>>ln -s mdmfs /sbin/mount_mfs
>
>Yes, that's a workaround I had in mind.
>I can't see any problem there, if the mdmfs program is compatible
>with mount_mfs.  I mean, the manpage even explicitly says, "the mdmfs

Ok, mdmfs is not fully compatible with mount_mfs, since you don't
specify a swap device as parameter but, for example, /dev/md0.
Other than that it seems to work ok, when called as mount_mfs via
fstab (thru a symlink).  I now have the following line in fstab:

/dev/md0 /tmp mfs rw,nosuid,nodev,nosymfollow,-s256m 0 0

Is there any reason that softupdates is enabled on the md filesystem
by default?  Wouldn't async do the trick aswell?

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recover /etc/passwd from pwd.db

2003-02-28 Thread Matthias Buelow
Hi folks,

after the latest crash of 5.0-p2/i386, my /etc/passwd and
/etc/master.passwd are trashed (I used chsh just before the crash).
My user line is missing in passwd, and the master.passwd file is
just binary garbage.  pwd.db and spwd.db however seem to be ok.
How can I recover the text files from the databases?
pwd_mkdb(8) talks about creating a v7 style passwd file via the
-p option but I don't know what to pass as file argument, if I
do pwd_mkdb -p /etc/pwd.db I get:

pwd_mkdb: line #1 too long
pwd_mkdb: /etc/pwd.db: Inappropriate file type or format

Any solution?

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Re: recover /etc/passwd from pwd.db

2003-03-01 Thread Matthias Buelow
I wrote:

>after the latest crash of 5.0-p2/i386, my /etc/passwd and
>/etc/master.passwd are trashed (I used chsh just before the crash).
>My user line is missing in passwd, and the master.passwd file is
>just binary garbage.  pwd.db and spwd.db however seem to be ok.
>How can I recover the text files from the databases?
>pwd_mkdb(8) talks about creating a v7 style passwd file via the
>-p option but I don't know what to pass as file argument, if I
>do pwd_mkdb -p /etc/pwd.db I get:

Following up my own mail, I found at least one solution in the
meantime; there was a proper backup of master.passwd in /var/backups;
and on that file pwd_mkdb worked.  The question remains, however,
what to do in the case when only the databases are left and all
textual files are trashed.  Surely there must be a way to create
the text files from the db?

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Re: A question about kernel modules

2003-03-07 Thread Matthias Buelow
Bill Moran writes:

>First would be historical.  BSD is historically a monolithic kernel.  The 
>more
>you rely on modules, the more the kernel acts like a microkernel.  I suspect

The kernel will still not be a microkernel.. it doesn't really matter
at what time the stuff is linked; a microkernel generally uses message
passing between mostly independent server processes, which is not what
the BSD kernel does.

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Re: Looking for POSIX programming resources

2003-03-06 Thread Matthias Buelow
J. Seth Henry wrote:

If this discussion belongs elsewhere, please, point me in the right
place! I'm also open to books, if anyone has any recommendations. Is
there a "Programming POSIX for dummies" out there?
W. Richard Stevens, "Advanced Programming in the Unix Environment" is 
the book you definitely want to buy.

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Re: error installing 5.3-stable - WRITE_DMA

2004-11-08 Thread Matthias Buelow
craig wrote:
out of desperation, i'm going to install a linux distro that i happen to
have found laying about (as only linux disks can...)
if it installs fine, then i would assume that the *hardware* is fine and
that the problem must lie with fBSD.
is that a fair assumption?
have a look at dmesg when linux has booted.  I've had a similar 
condition when the freebsd sysinstall would abort with the ICRC error, 
and linux booted, but when I looked into dmesg linux noted the exact 
same error, only didn't consider it fatal.  it only occured once at boot 
anyways.  nevertheless, I'd first check the UDMA cable (is it a proper 
80-conductor one?) and the disk's power cable (loose contact?)

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Re: re bittorrent

2004-11-08 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
Of course anyone with an ISP that has a bandwidth management device,  
bittorrent (a cancerous protocol which wastes others bandwdith in the process of 
possibly saving yours) will likely either not work well or be very slow.

No reputable organization would promote bittorrant for getting a release.
Surely you can elaborate?  Bittorrent was explicitly designed for the 
very purpose it has been used with the FreeBSD ISOs (and other 
organizations are using it aswell, for example RedHat for Fedora Core, 
and it works very well.)

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  Matthias Buelow; [EMAIL PROTECTED],informatik.uni-wuerzburg}.de
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Re: About FREEBSD

2004-11-08 Thread Matthias Buelow
Rafa wrote:
I don't to speak English very well, so if you don't understand my
question, ask me, please!!!
I would like that you speak more about management of memory and
management of processor, did you understand
If you're interested in the technical details, read:
McKusick, Neville-Neil, "The Design and Implementation of the FreeBSD 
Operating System", Addison-Wesley, 2004.
I haven't read yet it but I have the predecessor book (about 4.4BSD) and 
I guess it's written in the same style.

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  Matthias Buelow; [EMAIL PROTECTED],informatik.uni-wuerzburg}.de
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Re: re bittorrent

2004-11-08 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
Its become  widely used for "sharing" in the same way as Kazaa and
other "point to point" as they're called protocols. Many ISPs block it,
or at least substantially slow it down.
Well.  Of course it can be abused for w4r3z aswell as used for legal 
purposes.  If my ISP would block it or noticably slow it down, I would 
consider changing to a different ISP.  And I think there's still a 
difference in quality compared to things like edonkey, which are used 
exclusively for "illegal" filesharing.

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  Matthias Buelow; [EMAIL PROTECTED],informatik.uni-wuerzburg}.de
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Re: re bittorrent

2004-11-08 Thread Matthias Buelow
[EMAIL PROTECTED] wrote:
Its not a legal/illegal issue. Its a "using more bandwidth than you are
paying for" issue. Im sure if you were running bittorrent all day long
your ISP would be very glad to see you go.
I'm paying for a flatrate (ADSL) at home.  I don't use the bandwidth 
most of the time, simply because I have no interest in leeching movies 
without end, but a lot of others do.  In fact, the ISP has just upped 
the downstream from 768 to 1024 kbit/s at no extra cost.  Many people I 
know have p2p-stuff running day and night.  I mean, the company isn't 
giving you the bandwidth for altruistic reasons either, you pay them 
money for it.

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  Matthias Buelow; [EMAIL PROTECTED],informatik.uni-wuerzburg}.de
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Re: re bittorrent

2004-11-08 Thread Matthias Buelow
This is a technical forum? Yikes!
Is it, Mr./Ms. "[EMAIL PROTECTED]"?
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  Matthias Buelow; [EMAIL PROTECTED],informatik.uni-wuerzburg}.de
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