ed. A friend of mine recently got a job as a Solaris admin (much
to his chagrin; more like he got stuck with the job), and needs a good
Solaris Admin book that's somewhat basic. Any suggestions?
Thanks all...
-Brian
---------
Brian Sweeney
[EMAIL PRO
I would've said perhaps NIS issues, but that doesn't seem to be a factor
here since your on a cobalt. You need physical access to the box, and you
need to login as root and check the logs; chances are messages or secure
will have the info you're looking for. Could be a problem with PAM, but
coba
It is compiled against libwrap in 7.1; in fact, you have to pass it an
option to ignore the tcpwrappers functionality if you want it to, like the
following:
service finger
{
socket_type = stream
wait= no
user= nobody
server = /u
of telling what happened to make it stop working. Arg.
Any hints? Couldn't find anything on google or the NIS FAQs I saw...
-Brian
---------
Brian Sweeney
[EMAIL PROTECTED]
"The life expectancy of an unpatched, default installation of Red Hat 6.2
serve
And is it the true end of the world, or just the end of the world as we know
it? If the latter, then I feel fine.
(Sorry, couldn't resist...)
-Brian
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of RobertWichert
> Sent: Wednesday, June 13, 2001 1:
90><90><90><90><90><90><90><90><90><90><90><90>
<90><90><90><90><90><90><90><90><90><90><90><90><90><90>
<90><90><90><90>&
our little community. Thanks for
listening =)
-Brian
-
Brian Sweeney
[EMAIL PROTECTED]
"Don't be afraid to give a little piece of yourself away. It will grow
back."
-Ashleigh Brilliant
___
techtalk mailing list
[EMAIL PROTECTED]
http://www.linux.org.uk/mailman/listinfo/techtalk
to:[EMAIL PROTECTED]]On Behalf Of Brian Sweeney
> Sent: Wednesday, May 30, 2001 12:34 AM
> To: Techtalk@Linuxchix. Org
> Subject: RE: [techtalk] bare metal recovery nightmare
>
>
> Hmmm..should've seen this sooner. Looks like I'm having
> permissions issues.
> Mu
lly tired and really
frustrated and what should've been a relatively easy system restore (all the
user data was on a different partition, just need /) has turned into an 8
hour fiasco for various reasons.
Thanks in advance,
Brian
> -Original Message-
> From: [EMAIL PROTECTED]
'lo all-
K', so it's not quite bare-metal, but it's close enough. Lost the root fs
on a production server I've got. No prob, have it backed up to tape, but
for various reasons can't get it right over. Had to copy several times
first; scp -rp and cp -Rpv. Now I'm getting lots of complaints...m
> It is so much nicer to -
> # apt-get update
> # apt-get upgrade
> Which downloads, installs security updates and restarts any services
> upgraded...
Well, when RedHat's up2date software (the things that links into their
RedHatNetwork; sounds similar to the above functionality) actually WORKS,
though.
Any guesses?
-Brian
---------
Brian Sweeney
[EMAIL PROTECTED]
"The life expectancy of an unpatched, default installation of Red Hat 6.2
server is three days. The last time we attempted to confirm this, the system
was compromised in eight hour
> Two things, for me. One is that when you compile from source, you
> can set compile-time options, change the default install directory,
> things like that.
>With an RPM, all of that gets decided for you.
> There are usually one or two parameters that I want to tweak, so I tend
> to favor c
> The newer versions of LILO let you boot from a disk over 8GB with no
> problems. The latest versions of about all distributions ship it. It's
> been out for a while now.
>
> Jason
That's what I thought...though I do know the RedHat7.x install doesn't use
lba32 mode by default, so most of the
> -Original Message-
> From: James Sutherland [mailto:[EMAIL PROTECTED]]On Behalf Of James
> Sutherland
> Sent: Thursday, May 24, 2001 9:39 AM
> To: Brian Sweeney
> Cc: Techtalk@Linuxchix. Org
> Subject: Re: [techtalk] SCSI/IDE/booting...the other thread
> Hmm...
we just move the /boot information on to the IDE
device and point it to the / partition on the SCSI device, but I'm wondering
if there's some way to get it to boot off the SCSI device even with the ide
present.
-Brian
-
Brian Sweeney
[EMAIL PROTECTED]
x27;t have the lba32 option.
Hmmm...this is turning more into "other questions" than a responsive
post...time to make a new thread I think...
-Brian
-
Brian Sweeney
[EMAIL PROTECTED]
"The life expectancy of an unpatched, default installation
hanks,
-Brian
---------
Brian Sweeney
[EMAIL PROTECTED]
"The life expectancy of an unpatched, default installation of Red Hat 6.2
server is three days. The last time we attempted to confirm this, the system
was compromised in eight hours.&qu
Well, I think this used to be the case. I remember having problems with
RAID on older (6.0 maybe?) RHL installs because of this problem. Bear in
mind, your fstab file USED to read something like
/var/dev/hda5
So if hda or hdb switch around, that fstab won't work. However,
I second that =)
-Brian
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Kai MacTane
> Sent: Thursday, May 17, 2001 11:45 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [techtalk] desktops and window managers?
>
>
> At 5/17/01 11:07 AM , Daniel Manrique
To add to that (this is a bit of a stretch, I know), can anyone recommend a
good resource for xwindows?? (other than the howto). I've never gotten much
into the guts of it; always using Xconfigurator. I think someone in this
thread mentioned an "if it ain't broke, don't fuzz with it" philosophy.
L PROTECTED]]
> Sent: Monday, May 14, 2001 12:39 PM
> To: Brian Sweeney
> Cc: [EMAIL PROTECTED]
> Subject: RE: [techtalk] Layman's Guides to Computer Security
>
>
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> On Mon, 14 May 2001, Brian Sweeney wrote:
>
I read a really good book a while back called "Physics for the Rest of
Us"(HIGHLY recommended for those curious about modern physics) Good way to
say newbie without saying "dummie", I thought.
-Brian
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of
ng. 'Course, if
you already know what you're doing and just like the idea of having it all
done for you at once you can tell it not to explain everything and just
"fill in the blanks".
OK, ok, enough raving. Got to go back to my REAL job.
--Brian
--
average user, I think,
can feel secure putting their machine on the net.
NOw i've got to go through the two days of logs I missed. Yuk again.
-Brian
-
Brian Sweeney
[EMAIL PROTECTED]
"The life expectancy of an unpatched, default instal
Has anyone had any experience with imap-2000&OpenSSL? I have a user that is
considering it for a server and wants to know how long it would take. It
looks pretty straightforward, just a matter of installing OpenSSl and then
building imap-2000 to support it. I was just wondering if there are any
Julia,
"make modules" and "make modules_install" just compile the modules and put
them in an easy-to-use directory for you. Insmod is a utility to actually
load them into the kernel, if you want to do it manually; you can also use
modprobe, which keeps track of which module to load based on what
'Lo again all...
> I leave in the "prompt" and "timeout" lines but include
>
> password=
>
> and "restricted" in the default image section
>
> This has the effect of booting to the default kernel after the timeout but
> allowing other options if required but only if the password is supplied.
> T
Julia-
Check out /etc/lilo.conf. Mine looks something like this:
delay=1
boot=/dev/hda
map=/boot/map
install=/boot/boot.b
prompt # I comment these
timeout=50 # lines out for security, but I'm paranoid ;-)
message=/boot/message
default=linux
image=/boot/vmlinuz-2.4.2-2
label=linux
Message-
> From: James Sutherland [mailto:[EMAIL PROTECTED]]On Behalf Of James
> Sutherland
> Sent: Wednesday, May 02, 2001 11:59 PM
> To: Brian Sweeney
> Cc: [EMAIL PROTECTED]
> Subject: Re: [techtalk] HELP! Webserver compromised?!?
>
>
> On Wed, 2 May 2001, Brian Swe
Hey guys-
Hope somebody's on right now. Here's the deal. Our webserver access_log
(apache) was getting really large really quickly lately; today's been the
worst. So I check out the log, and there are TONS of entries from machines
outside of our domain to other machines outside our domain!
I
Hey all,
This just got sent to me from a fellow SysAdmin this morning:
http://www.uwsg.indiana.edu/hypermail/linux/kernel/0104.3/0727.html
Probably old news to many people on this list, but a few folks (like me)
might be unaware. To sum it up in Linus' words:
"Dump may work fine for yo
Tami-
> I'm sorry I didn't make myself clear in my original post. I loaded
> NOTHING onto the TWC machine. THe telnet daemon (or whatever M$ calls
> it) was already running. I merely took advantage of an ALREADY
> INSTALLED PROGRAM in order to read email as part of my job search (an
> activity
Oops...forgot to mention; I'm looking for fiber, not copper gigabit...
-Brian
> -Original Message-
> From: Brian Sweeney [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, April 26, 2001 4:52 PM
> To: [EMAIL PROTECTED]
> Subject: 2 Q: xinetd and Gigabit linux NIC?
&g
'Lo all-
I have 2 questions. The first has to do with Xinetd configuration. What I
wanted to do is specify that the default policy is to Deny for any services
on any address, so I setup no_access=0.0.0.0/0 in defaults. Then I want to
allow per-service, so I put in only_from=0.0.0.0/0 in my wu-
As the subject implies, this isn't so much a question as a general
frustration rant.
BEGIN RANT
ARG!
Promise claims to have all this great linux support for their stuff. But
I've got a FastTrak100 ide RAID card that might as well be a paperweight for
my RH7.1 (yeah, I know it's broken ;
Jen-
We're currently using Amanda here and I've been pretty happy with that so
far. It lacks in a few features, but it really nicely manages the backup
scheme for you (dynamically creating the levels based on need), and it's
recovery procedures are also quite straightforward. It also uses a hol
Tami-
While I appreciate your predicament, and do agree with the absurdity of
someone making a bold blanket rule like "no telnet" and then having no
explanation for it, I don't think starting a flame campaign is your best
option. Also, I don't think this is the forum for starting that kind
attac
'Lo all-
I've got someone on the network who's setup up a small nfs client/server (1
server, 2 clients) using RHL. They mount everything read-only. The trouble
is they've been complaining because in general the "clients" in this case
are more important and more robust machinesthan the server, a
ios,
Brian
-Original Message-
From: James A. Sutherland [mailto:[EMAIL PROTECTED]]
Sent: Monday, April 09, 2001 1:40 PM
To: Brian Sweeney
Cc: [EMAIL PROTECTED]
Subject: Re: [techtalk] Apache PLEASE HELP!
On Mon, 9 Apr 2001 11:22:05 -0700, you wrote:
>'Lo all-
>
>I've been
'Lo all-
I've been silent for a while, but I've got a bad problem right now.
I will prompt the following list of actions by saying I am (obviously) NOT
an apache expert ;-(
A user was complaining that they couldn't get .htaccess to work. I checked
their machine, couldn't figure out what the pr
Just to contribute to all the horror stories...
Everyone remember how SIMMs had to be put in the motherboard in pairs? Ever
wonder, just for the heck of it, what would happen if you didn't? So did I.
Curiosity mercifully spared my cat, but that was pretty much all that was
spared. It was a bib
Shannon-
I remembered seeing this once before, but that was a problem with a SCSI
adapter?. In any case, your root filesystem here isn't on your hard drive
anyway, it's on the floppy you're booting from. Chances are then the
problem is with the floppy (I've already found 3 bad floppies out of a
Hello all,
Has anyone had memory problems with tar? I've noticed that when creating a
decent size tar file (750M) that includes a whole BUNCH of files linux runs
really low on memory, and it doesn't seem to come back.
For instance, I ran a top on a computer, and it had approximately 68Meg
"free
Hey guys...
Anyone out there have experience with RedHat's HA software? I've downloaded
it and am toying around, and have a few issues with the architecture (I'm
using the example for setting up a five-node cluster I got off their
website). Here's the deal:
I've got two lvs-routers using NAT t
lto:[EMAIL PROTECTED]]
Sent: Friday, January 19, 2001 6:58 PM
To: Brian Sweeney
Cc: [EMAIL PROTECTED]
Subject: Re: [techtalk] ip masquerading
hmmm, masquerading out an alias interface will not work, and is not
supported. have you looked at the linux ip masq howto? here's a copy:
http://www.li
'Lo all-
I seem to be having some trouble using a virtual interface for an ip
masquerading rule using ipchains in RHL6.2. here's the line:
ipchains -A forward -i -s 10.10.0.0/16 -j MASQ
On the box, I've got 2 nics...eth0 and eth1. I've also got a virtual
interface, eth0:1, bound to an IP in
Why are you using inetd for qmail? I know Dan recommends using tcpserver
now, which is why pretty much all of the information out there deals with
it. Inetd has performace issues, if I remember correctly, especially when
dealing with high-volume servers. TCPserver, imho, is also pretty easy to
Hello again, all...
Well, I found a copy of AppleshareIP off a developer's CD I didn't realize
we had, so I'm back to trying to connect my Linux box to the mac. Now,
whenever I try to connect to the Mac's SMB volume using Samba (either
mount -t smbfs or smbclient), I get an error from Samba sayi
Here's an interesting question in light of all of the backup conversation
that happened recently...
Does anyone know of a good way to backup a macintosh client via ANY of the
linux backup utilities? Near as I can tell, there are three basic methods
of backing of clients with linux:
1) Get a com
>Message: 12
>Date: Wed, 29 Nov 2000 18:40:27 -0800 (PST)
>From: Eric Richard Turner <[EMAIL PROTECTED]>
>To: Conor Daly <[EMAIL PROTECTED]>
>cc: [EMAIL PROTECTED]
>Subject: Re: [techtalk] RE: backup newbie
>On Wed, 29 Nov 2000, Conor Daly wrote:
> but can I do the following?
>
> 1st of Month:
I don't know much about Arkeia, but a quick note: unless you're really
hard-up for tapes, or just have disgusting amounts of data to backup, I
would go with differentials instead of incrementals. Who wants to have to
juggle 7 tapes if the server goes kaplowee on saturday and your full backups
ha
This isn't a guide so much as it is a quick reference for common commands,
but it's got a bunch of *nix OSes...
http://home.earthlink.net/~bhami/rosetta.html
-Brian
-
Brian J. Sweeney
Systems Admin, imagedog.com
"My kung-fu is mighty"
email: [EMAIL PROTECTED]
Messag
Emily-
Just adding my 2 cents to the below...the 6.0 version of RedHat came with an
install of XWindows that usually failed to run because a file in the X11
folder permissions were set wrong, though it wasn't made clear what the
permissions on the file SHOULD be. There were also occasional error
Hey all-
I've another silly question which I'm sure has a simple answer, yet it has
eluded me, so here goes:
I've got a RHL6.2 box I'm trying to setup as a router. Here's the
configuration:
-
-Client1-
-ip:192.168.50.215 -
-netmask:255.255.0.0-
-gateway:192.16
To add my 2 cents, I use pqdi (PowerQuest Drive Image) to do this, as well
as storing image files elsewhere for disaster recovery purposes. The only
thing with it is that it doesn't get the MBR, so I have to run lilo after a
drive restore on a blank HD. (I boot to a floppy or CDROM on RHL to do t
I would recommend the O'Reilly book "Unix Backup&Recovery"; very helpful,
has lots of different scenarios, and goes through many of the various backup
utilities, including which ones do "bare-metal" recoveries. If you don't
have the time, I think someone already recommended Arkeia, but I would ad
Hey all-
Quick questions that's been bugging me for some time...if I telnet to a
machine as a normal user and SU as root, I don't gain any of the root user's
standard PATH. So when I try to execute programs I have to specify
/usr/sbin, or /usr/bin, or whatever. I'm using bash.
I know this is o
WARNING: EMAIL OF PURE COMMENTARY AHEAD. NO ACTUAL HELP PROVIDED. SORRY.
;)
Sam-
A doozy, perhaps, but a good one...I KNEW most of the physics that went into
that and still found it interesting. Thank you!
Steph-
Simplistic response be damned. Anyone not interested in war stories can
skip
Hey all-
I'm trying to get boot raid working on my RHL6.2 system. I did the raid at
install time, with two IDE drives, /dev/hda and /dev/hdc. /dev/md0, for
example, is /dev/hda5 in a raid-1 with /dev/hdc5.
When I shutdown, remove /dev/hda5 from the set, and reboot, everything works
fine; all t
Hello all-
I'm having some difficulty getting good intel on the linux dump/restore
utilities. There is no howto that I could find (except in Japanese), and
the man pages, though helpful, are missing answers to some important
questions.
I'd like to be able to backup everything on a number of dif
I know there was a bug in the installer of 6.0 that wouldn't install if you
attempted to leave one of your partitions as unformatted FAT (I experienced
it myself, and it took HOURS to troubleshoot). I don't know if it's still a
problem in 6.2, but I think I remember someone mentioning it...
If y
Hey all-
Thanks everyone for the responses; the setting login to /bin/false is a neat
trick. Also, FYI to those who feared for the security of my server, I DO
have a firewall implemented, and this machine is behind it. I don't have to
worry as much about what ports are open where b/c the firewa
Hello all-
Does anyone know how to restrict users on a RHL 6.0 box from being able to
actually login? I know this sounds strange, but hear me out. I have this
new mailserver up, and I want people to be able to POP to it to retrieve
mail, but not anything else. I had thought the way to do this
Hey all-
Just giving a much delayed update to this...there is a built-in command (at
least there is on my RHL 6.x system) called newusers. Do a man newusers for
syntax, but basically it reads in a file of usernames and passwords, along
with other information (expiration, group, etc), and creates
ACK!
Here's the deal:
I have a pentium III500Mhz machine with a SCSI HD in it. I had 6 partitions
installed:
/ on /sda9
/boot on /sda1
/swap on /sda5?
/home on /sda7?
/var on /sda8?
/FAT on /sda6
FAT was created because I wanted to have 1 partition setup with the FAT
filesystem, s
Wirren-
I wouldn't try this as a real method for opening peoples boxes; you also
probably already know it, as it's in most FAQs and I'm sure has been
discussed on this list before. But here goes, just in case...
Go to one of the admin's linux boxes, if you have physical access to the
machine, w
Hey all-
Thanks for everyone's help with the mass user add problem! I have two
possible solutions I'm suggesting for the FAQ.
One is to use the pdadduser package, available at
http://ghs.ssd.k12.wa.us/~pdavis/projects/pdadduser.html.
If you've got the time to learn the syntax, this is my suggest
Hello all-
Haven't been on the list in a while...hope everyone's doing well in their
endeavors. I have what I hope is a quick question. I would like to know if
there's a way (possible using perl/expect?) to add multiple users from a
text file list all simultaneously. I figure I could either p
Hey all-
Thanks for all help...as a note, I got a bunch of really great documentation
on doing the XServer/Thin Client setup from the guys at the Linux Terminal
Server Project (www.ltsp.com). I now have an AMD machine booting up to a
floppy w/out a HD and running apps amazingly quickly off my se
Hello again!
First off, thanks to everyone for answering my permissions/users questions
about creating admins and root users. I was amazed at how quickly I got a
response. I have since then created a second root user (called god) with
uid 0 that can do everything the root can do. As a side not
Hello all-
I am new to this mailing list, so I apologize if these questions have been
covered before. If they have, please point me in the direction of the
archive that features them (I checked them first, but couldn't find them
myself) and I'll look there.
That being said, here's the deal. I'
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