who do their best to make them
automatically do the right thing when faced with an unlimited level of
chaos can't be thanked enough.
Martin McCormick WB5AGZ Stillwater, OK
OSU Center for Computing and Information Services Network Operations Group
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with
I have been meaning to buy a serial port module to connect to
the USB port on a Debian system. I should have bought the Edgeport
8-port module when I saw it for sale early this year, because
Pricewatch shows only a 4-port model available now or a 16-port unit
for $600. Are there any other
the kernel when
compiling?
Disconnecting the Edgeport/8 produces:
usb.c: USB disconnect on device 3
The mass storage driver continues to work with the serial port
unit in or out. At least the new generic serial driver doesn't appear
to have done any harm.
Martin McCormick W
Generic support, it burns CD's like a
fire bug.
Martin McCormick WB5AGZ Stillwater, OK
OSU Center for Computing and Information Services Network Operations Group
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ppy
New Year to all.
Martin McCormick WB5AGZ Stillwater, OK
OSU Center for Computing and Information Services Network Operations Group
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I have been doing some further tests about my usb
problems and I found out that my testing procedure is flawed.
Every new kernel I built was built using bzdisk as the last step
in the process so I left the kernel on my boot drive alone and
was using a new kernel built on a floppy disk. I b
According to the documentation for USB, the drives that
should show up on your system are /dev/sda or /dev/sdx if you
already have a /dev/sda or /dev/sdb, etc.
In other words, the USB devs should start at one above any pre
existing SCSI disks.
This means that your /dev/scd0 should
ears to
have been a false alarm. I now have both USB and SCSI emulation
here, just no new blank drives called /dev/sda.
--
Martin McCormick WB5AGZ Stillwater, OK
OSU Center for Computing and Information Services Network Operations Group
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hey are
showing up wrong although one would think that you would just see
more hard disks than you should have and less or no CDROM's.
Martin McCormick WB5AGZ Stillwater, OK
OSU Center for Computing and Information Services Network Operations Group
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Thanks for any ideas as to what is happening and how to
fix it. I am so close to success, but still not there yet.
Martin McCormick WB5AGZ Stillwater, OK
OSU Center for Computing and Information Services Network Operations Group
Nicos Gollan writes:
>-BEGIN PGP SIGNED MESSAG
better place to post this information,
please tell me. If given enough time, I might figure it out by
the end of the decade, but I hope there are folks who are already
on the ground running with it.
Martin McCormick WB5AGZ Stillwater, OK
OSU Center for Computing and Information Services Netw
t the start of the
remainder of the configuration. That is fine if I can ever get
proper communication with it and complete it.
Any ideas please?
Martin McCormick WB5AGZ Stillwater, OK
OSU Center for Computing and Information Services Network Operations Group
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I have partly solved my own problem. The bash-type shell
which is part of the installation software is just what I need to
get a shot at modifying the inittab file. It turns out that a
special inittab file is installed just for the installation
process and then the real inittab is put in
I am not sure what is going on.
Any constructive ideas are welcome.
By the way, this particular message is not coming from
the system in question.
Martin McCormick WB5AGZ Stillwater, OK
OSU Information Technology Division Network Operations Group
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David Mandelberg writes:
>I'm having the same problem. From what I hear, a solution has something
>to do with acidlab, but I'm not sure.
Thanks. I have another Linux system at work running the same
version and I noticed it also has the same problem.
Martin McCormick
--
before rebuilding a system after an upgrade that went terribly wrong,
I did the following in order to save kernel sources and configuration files:
tar cf - . |gzip >../otherfilesystem/root.tar.gz
This worked fine on the home file system and I recovered all
the /home files but when I went
artial corruption if the archive, most of the remaining files
>can still be recovered...
Thank you. I was kind of afraid of that. Fortunately, I had
backups of the /usr file system and /etc which were from mid May and
haven't changed too terribly much so I think I am not as hosed
at I
need to do this via the serial console. The installation CD I burned
from the image indicated above lets one do this all right so what I
need is something like that that will let me directly mount the root
file system. Thanks for any help.
Martin McCormick WB5AGZ Stillwater, OK
OSU Informa
grub was the first
boot loader presented. Lilo fails to install so I went with grub
since that appears to be the general direction of progress.
Thanks for your ideas.
Martin McCormick WB5AGZ Stillwater, OK
OSU Information Technology Division Network Operations Group
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ack to
where I was in the rebuild and modernize process.
Thanks for any ideas.
Martin McCormick WB5AGZ Stillwater, OK
OSU Information Technology Division Network Operations Group
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d GUI equals
no application period.
Martin McCormick WB5AGZ Stillwater, OK
OSU Information Technology Division Network Operations Group
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the package lists recently.
Bittorrent showed up after I did that and I needed to fix a bunch of
dependencies which is what killed the attempt to install from the
BitTorrent web site. Thanks for your help.
Martin McCormick WB5AGZ Stillwater, OK
OSU Information Technology Division Network Opera
t is doing if or when you use it.
Martin McCormick WB5AGZ Stillwater, OK
OSU Information Technology Division Network Operations Group
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Oliver Elphick writes:
>Does your /etc/apt/sources.list reference woody or stable?
>
>They used to be the same, but now there is a new stable, sarge. So if
>you reference stable, a lot of your packages are now regarded as
>obsolete. You should either reference woody explicitly or do a complete
>u
Piero Piutti writes:
>All you need is mplayer, the w32codecs and mozilla-mplayer (aka
>mplayerplug-in). It will work as a charm: tested with the Quicktime trailers
>on Apple's website.
I second that. I installed MPlayer-1.0pre7 and the codecs
directory that one should also install and
any useful ideas.
Right now, the pertinent line in replcomps looks like:
%(lit)%(formataddr %<{delivered-to}%?{X-Original-To}%?
{mail-followup-to}%?{sender}%?{return-path}%?{mail-reply-to}%?{reply-to}%?{to}%?{from}%>)\
Line was broken for formatting purposes.
Martin McCormick WB5AG
hat I need is to format all the tracks with no FAT.
The PDP-11 disk has a different FAT structure, at least that is what I
think is happening.
If anybody has any suggestions as to how I can possibly
complete the copy process, I am extremely thankful.
Martin McCormick WB5AGZ Stillwat
discover that something doesn't work in sh but does work in
bash and then I use bash.
Some arithmetic functions seem to be easier to code in bash
but that might also be because I didn't know the magic syntax to make
them work in sh.
Martin McCormick WB5AGZ Stillwater,
I have a little shell script called fullstereo which works fine.
It's short so I'll show it to you. It records sound from a
Creative Labs usb sound card which is probably much happier on a
Windows box but that's not where I need it. It has only 1
sampling rate that works under debian and that is
tell /arecord/ to use an ADC that doesn't exist.
>
> Cheers,
> David.
I am in no great hurry so I will probably try both the
plugin solution and the sox coding and save them both for later
as the idea is to end up with something that is both efficient and
useful.
Thanks, everybody.
Martin McCormick WB5AGZ
ely located and one is
operating it headlessly.
I smiled a bit when reading the syslog admonition to
connect to a high-speed hub. That would be quite a trick.
Thanks for any constructive suggestions.
Martin McCormick WB5AGZ
like a few new acronyms for your day. I guess that's TMI.
Martin McCormick WB5AGZ
Gene Heskett writes:
> You forgot to mention it can get the message thru better because it has a
> 12 db advantage over competing noise compared to the original AM,
> sometimes called Ancient Mary in our circles.
I did forget that but you are correct. another
interesting thing about ssb
I am sure I have run kernels with other bugs that I
didn't know about but this is the first time one has bitten me,
so to speak.
Thanks.
Martin WB5AGZ
Martin McCormick WB5AGZ
s for any good ideas.
Martin McCormick
Joe writes:
> Indeed so, it is even in a folder called 'etc', which I think is in a
> 'drivers' folder. It's a while since I used it. There may be an
> existing default or example \etc\hosts file. The LMHosts file is also
> here, but of interest only to Windows networks for speeding up share
> loo
case, the corruption would be okay and done for
good reasons but the dhcp server in our router already advertises two
domain name servers so ours would have to be learned about by
discovery.
Thanks again.
Martin McCormick
I was inventorying all the systems on our WiFi and wired network
so I did the following:
sudo nmap -sn 192.168.1.0/24 followed by
sudo arp -a and I found nothing extraordinary so I also got on
our Netgear router and told it to cough up a list of attached
devices, showing the same list of stuf
s for 2017 but this is why I am asking.
I also saw versions of that file for other countries such
as the UK.
Thanks for all good responses.
Martin McCormick
Greg Wooledge writes:
> On Sun, Jan 16, 2022 at 09:58:11PM -0600, Martin McCormick wrote:
> > There's a stale version of this file on my system that reflects
> > when Debian was installed but it brings a question to mind.
>
> The one in the Subject: header? Are y
:
01/MonThird Martin Luther King Birthday (3rd Monday of January)
It is now a major holiday and schools and government
offices are usually closed so it should probably be there.
Thanks to all and sorry if I created any confusion about
the path.
Martin McCormick.
This Pi is running Debian Stretch. I believe that's what version
9 is called. I have it capturing audio from a radio receiver and
it's been doing that for several years now and it was doing that
yesterday morning. Later in the day, I downloaded more audio
and, after a long pause, I got the messa
exactly?
Enquiring minds want to know.
Thanks for any and all constructive ideas.
Martin McCormick
I have a Windows box that has software on it which programs
two-way radios and it would be nice to know what the radio and
computer are saying to each other.
After trying a Windows application that reportedly can
capture serial port traffic, I find that it doesn't appear to
work with usb p
es not seem
corrupted just as the last time this happened.
Thanks for any constructive ideas.
Martin McCormick WB5AGZ
I missed the INSTALL_DEVICE and now the script works.
The next step is to see if the drive boots but I just
forgot that one important detail. Sorry to waste anyone's time.
Martin
Is there any free utility that can run in Linux which helps one
rebuild a corrupted boot configuration?
I have a disk which is currently out of it's usual place
as the boot drive for a debian system. The past two times that
Buster updated grub, the drive became unbootable after the
updat
Weaver writes:
> On 03-06-2021 03:59, Martin McCormick wrote:
> > Is there any free utility that can run in Linux which helps one
> > rebuild a corrupted boot configuration?
>
> https://www.supergrubdisk.org/
Thank you very much as you did answer my question
perfect
Weaver writes:
> https://www.supergrubdisk.org/
The site recommends downloading the hybrid version of
grub2disk so that is what I did because all the Linux boxes I
have are x86 hardware and have CD technology built in.
This is quite an interesting creation. The ISO image is
a we
Weaver writes:
> Well, let us know how it goes, because I've noted a few visually
> disadvantaged users on the list, and they would find the reference
> useful.
I have found out that grub is very accessible if one has
defined a serial console and there is a working serial port on
the targ
I placed the ailing drive back on a good Linux system and mounted
it as /dev/sdd1 /mnt
and ran the following commands on it:
#!/bin/sh
#mount the drive being repaired. Uncomment lines as needed.
sudo mount /dev/sdd1 /mnt
cd /mnt/boot
#installing to the mounted disk
sudo grub-install \
--boot-
I have a plan but I need some more information. Is there any
personalization done by the boot setup process? Do our UUID's
or any other specific information pertaining to the installation
make it in to the initrd files?
While reading about the boot process, it doesn't appear
that the ini
Reco writes:
> On Sat, Jun 05, 2021 at 12:46:13PM -0500, Martin McCormick wrote:
> > I have a plan but I need some more information. Is there any
> > personalization done by the boot setup process?
>
> Yes. One of the GRUB's tasks is to supply kernel which is
so I figured I had
better fix it correctly since I didn't know it was a ticking
bomb.
Felix Miata writes:
> Martin McCormick composed on 2021-06-05 12:46 (UTC-0500):
>
> > I have a plan but I need some more information. Is there any
> > personalization done by the boot
Thanks to all for the advice and knowledge you shared about how
grub works. I am writing this on June 6 and early this morning,
I edited the boot command in the grub shell after
verifying that my stubborn no-boot drive truly was sitting at
hd0,1msdos and grub-install had picked out hd2,1msdos for
Felix Miata writes:
> IMO you gave up too soon. IIRC you never showed us output from parted -l
> or fdisk
> -l. Very likely on the problem PC the / filesystem was/is not on the first
> partition, where often lies a swap partition. Very likely root=/dev/sda2
> would
> have been/be correct.
Sorry
I admit I made several big mistakes, here. The first was not
having a backup of /boot as I thought I did. The next is
thinking I could just copy the whole boot directory from a
known working system and be able to get it to work by using sed to
replace the UUID's of the system it was on with those
Felix Miata writes:
> This is a big lurking booby trap that could have been the problem both
> last time
> and this time. It's one of the reasons why installation systems and Grub
> switched
> from using device names to using UUIDs: inconsistent and/or unpredicable
> device
> enumeration.
>
>
I did it! It works!
Okay. Here's the short story. I read some more stuff
about building a boot drive for another system than the one being
used for the rescue. In this thread were the usual tales of woe
which I have also experienced when misusing grub such as "Oh
#%^*! Now I've got 2 s
I thanked the person who responded to my post and reported that
there were no unusual log entries in syslog on the failing system
so not much to go on. I decided to upgrade the Raspberry Pi
which was suddenly having this mysterious problem as I have
backups of the failing system so I figured I'd j
Charles Curley writes:
> I'm no expert on RPis, but that sounds to me like the SD card is
> protected against writes. Check for any physical write protection
> switches on the card itself and the holder.
Thanks for the suggestion, but this is one of those SSD cards
that often is found in a camera
Bijan Soleymani writes:
> Can you delete both partitions, create a new single linux partition,
> reboot
> then run mkfs.ext4 to create a single new partition and then just install
> linux onto it or try dd again?
Great suggestions but I can't. Part of the typescript output I
included was me doi
of user space? The good system I copied the image
from only had about 12% of the partition used so I should be
able to transplant it to the smaller disk if tunefs can do that
and still leave a bootable device.
Thanks for all useful ideas.
Martin McCormick
ernel or sector information becomes corrupted if it
happens to land in a vital piece of code.
Again, many thanks.
Martin McCormick
There's always one more question that nobody mentions and none of
the articles one finds on the topic don't touch. When looking at
the man page for resize2fs in debian, it talks about the -b
option to turn on "the 64 bit feature."
__
When shrinking the size of the partition, make
I figured I would start a new topic as none of this pertains to
the previous messages I posted.
I've got an almost 30-GB disk image of a working debian
installation for a Raspberry pi that I should be able to easily
squeeze on to a roughly 8 GB SSD card because it only takes up
10% of the
atever happened, it's going to be quite a time waster.
Thanks for any constructive suggestions.
Martin McCormick
Dan Ritter writes:
> Here's what you can do:
>
> On a good system, mount your drive. Let's pretend that it's
> recognized as /dev/sdg, and you have a /boot on /dev/sdg1 and
> a root partition on /dev/sdg2.
>
> ls -al /dev/disk/by-partuuid/| grep sdg
>
> will get you the partition UUIDs for that
e back from a reboot.
I appreciate the good suggestions I have gotten from
several of you so far.
Martin McCormick
writes:
> Suppose a hacker logs into your computer from far, far away, say
> from somewhere in Nepal.
>
> Surely you'd want this person to see the time adapted to their
> locale? That's the least courtesy you can be expected to provide?
>
> ;-P
>
> Now putting my tongue out of my cheek again: i
Felix Miata writes:
> Save yourself many keystrokes by using the symlinks in the root directory
> instead
> of the long-winded full version-named /boot/vmlinuz-4.19.0-5-686-pae
This is wonderful to know and in the root or / directory of this
disk, there is
initrd.img, initrd.img.old, vmlinu
Andy Smith writes:
> Hi Martin,
>
> Are you sure about this? There is no Debian or Ubuntu host I have
> access to that has a /usr/share/zoneinfo/ that contains more than
> 4MiB of data. For yours to have 256 times this much is quite an
> aberration. What did you type to determine that your
> /usr
Dan Ritter writes:
> in /boot/grub/menu.lst
>
> serial --unit=0 --speed=9600 --word=8 --parity=no --stop=1
> terminal serial
>
> (yes, that's two lines)
>
> I hope that helps.
>
> If you want the option of either serial or console access,
> replace the second line with
>
> terminal --timeout=
Dan Ritter writes:
> Here's what you can do:
>
> On a good system, mount your drive. Let's pretend that it's
> recognized as /dev/sdg, and you have a /boot on /dev/sdg1 and
> a root partition on /dev/sdg2.
>
> ls -al /dev/disk/by-partuuid/| grep sdg
>
> will get you the partition UUIDs for that
Andy Smith writes:
> Hi Martin,
>
> On Sat, Nov 21, 2020 at 08:48:51PM -0600, Martin McCormick wrote:
> > find . -name "*" -exec ls -l {} \; \
> > |grep -F / \
> > | awk ' { total += $5 } END { print total }'
> >
> > That usual
system to do something it wasn't originally designed to
do then ram and storage are getting cheaper by the day and some
things just aren't worth worrying about.
Martin McCormick
I am going to respond to one of my earlier posts as it doesn't
help things at all to spread misinformation which I am guilty of,
here.
"Martin McCormick" writes:
> I appear to be using grub, not grub2.
No. It's grub2. Old Grub is now grub-legacy and is
David writes:
> Your lack of success is because the the command you used has designed
> behaviour to install the grub bootloader to the boot sector of
> /dev/sdd, and also install the grub files you listed into the current
> system /boot/grub (which was not on sdd at the time). That is the
> reaso
and so my question is basically, has anything fundamentally
changed in the way cron is used?
This is not a complaint at all. I was first introduced to
unix-like systems in 1989 and immediately knew that this was the
sort of OS I wanted to stick with in amateur radio and technical
tinkering in general.
Martin McCormick WB5AGZ
Greg Wooledge writes:
> I was vaguely thinking of a similar approach. Set up a job that runs
> every hour, or across a set of hours that will cover all the possible
> cases that you care about, in your crontab. Within the job itself,
> set a TZ variable and determine the time in that time zone b
worst sort of ignorance
syndrome which can really bite in that sometimes, we have an idea
what we don't know and other times, we don't even know that we
don't know and that's really frightening.
So, I need to read more general information about the
differences between systemd and what we've been using up to
recently.
Martin McCormick
Andrei POPESCU writes:
> On Jo, 03 dec 20, 07:39:14, Martin McCormick wrote:
> >
> > So, I need to read more general information about the
> > differences between systemd and what we've been using up to
> > recently.
>
> The Wikipedia page and/or https
Our phone is very quiet these days except for legitimate
calls.
Martin McCormick
o read
how your version blacklists kernel modules to keep them from ever
loading.
This is one of the many things about unix that are really
useful since you can tweak your system to fix seemingly
intractable problems at times.
Martin McCormick
serial ports that I got by with
violating in earlier Linux and now the chickens have come home to
roost and I need to do it differently but much of what I wrote is
stolen from other code examples so I bet it is something in
buster that isn't right yet.
Any suggestions are much app
David Christensen writes:
> Post a console session showing the commands issued and the error messages
> produced.
I'll go you one better. I'll show the code of one of the
programs that dies instantly. It uses /dev/ttyACM0 which is the
device created when a Uniden scanner radio is plugged in to a
ports after all.
I use the die("cause of death\n") function all the time
but forgot to put it in to a test to see if one could access
/dev/ttyXx and it bit me.
Thanks to all who responded with good suggestions.
Martin McCormick WB5AGZ
n.org/debian-security buster/updates main
deb-src http://security.debian.org/debian-security buster/updates main
# buster-updates, previously known as 'volatile'
deb http://ftp.us.debian.org/debian/ buster-updates main
deb-src http://ftp.us.debian.org/debian/ buster-updates main
Thanks.
M
do gnome but good enough for email,
audio and general tinkering.
Again, thanks for the tracker info.
Martin McCormick
The PC is old enough that it can not natively boot via a serial
port but it might if grub knew about the bootable drive sitting
in one of the ports.
Thank you.
Martin McCormick
Pascal Hambourg writes:
> Le 23/07/2019 à 04:53, Martin McCormick a écrit :
> Do you mean that GRUB is installed on an internal drive ?
Yes.
> By default, GRUB relies on the BIOS disk services to access drives. But it
> also has native ATA and USB drivers which are not loaded by
vice
we use to flash the PIC eprom connects to a native serial port or
a usb-to-serial converter and if those work through the walls of
the jail, there should be no trouble.
If the programmer still works, that is a winner and many
thanks.
Martin McCormick
from source so I don't know for sure that the new build is
exactly the same but I would bet money it is.
Anyway, usermod from jail fails quietly and I never get
added to dialout.
Again thanks for the suggestion and any constructive
ideas are appreciated.
Many thanks.
Martin McCormick
Tixy writes:
> I've used 'schroot' in the past for this sort of thing, let's you
> configure what to mount and I believe either defaults or has examples
> for the common things you're likely to need like /dev and /proc. I
> don't remember the details as it's been quite some years since I used
> it
drive
in. Six or eight months later, one will suddenly discover that
the boot sequence has fallen back to the useless one where the
floppy drive is first, followed by the hard drive followed by the
CDROM.
Martin McCormick WB5AGZ
ngs so we didn't get it all
cleaned up for literally weeks. It was mostly okay that
afternoon but we would get calls from departments across the
university that this or that printer or VT100 terminal wasn't
working when somebody tried to use it and the fault turned out to
be another randomly deconfigured port.
The down phase created an apocalyptic scene what with
overhead lighting mostly absent but occasionally trying to
flicker on and the wailing power supplies.
Martin McCormick WB5AGZ
rhkra...@gmail.com writes:
> An update | correction | recollection ;-)
>
> On Tuesday, July 30, 2019 11:34:43 AM rhkra...@gmail.com wrote:
> > I have seen diagrams in NEC code books for a different arrangement to
> get
> > 120 volt 3 phase power, but I don't recall ever actually encountering
> t
john doe writes:
> On 7/30/2019 7:01 PM, Martin McCormick wrote:
> >
> > I have 4 older PC's that generally work well running
> > debian but Right now, 3 of them need varying degrees of attention
> > to their BIOS setups as Dell motherboards and possibly ot
David Christensen writes:
> What about using a computer whose CMOS Setup utility is accessible via the
> serial port? This article indicates the Dell 2450 is capable:
>
>
> http://tldp.org/HOWTO/Remote-Serial-Console-HOWTO/rhl-biosserial.html
>
>
> David
>
>
Thanks for the informati
Felix Miata writes:
> Are these old Dells continuously connected to power whether booted or not?
Yes.
> I have a bunch of old Dells. When left unconnected to power, some wear
> down the
> 2032 coin cell CMOS batteries with unusual haste. Once this happens and
> the
> battery is replaced, recon
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