Re: server went unbootable

2012-04-08 Thread Dale Amon
On Sat, Apr 07, 2012 at 11:03:48PM -0600, Michael Loftis wrote:
 
 
 Sent from my Motorola Xoom
 On Apr 7, 2012 5:44 AM, Dale Amon a...@vnl.com wrote:
  At one point I tried to build a 'special' statically
  linked ssh... an effort that didn't work out... with
  the idea of having it available on some port as an
  emergency backdoor for sysadmins that came up as
  soon as networking was up. The idea was that if things
  went bad and you were 4000 miles away from the data
  centre...
 
  Just another of those things that I might have done,
  if I lived on a planet with 48 hours days.
 
 
 Don't use openssh! There are a few smaller, lighter, statically linkable
 SSH daemons out there.

There weren't many choices in 2001 or 2002 when I was
looking into it. Do you have any suggestions on one
that might be particularly useful? It doesn't have to
be terribly fancy, just enough so you can get a shell
and 'fix things'.


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Re: server went unbootable

2012-04-08 Thread Paul Smith
On Sun, 2012-04-08 at 13:55 +0100, Dale Amon wrote:
 There weren't many choices in 2001 or 2002 when I was
 looking into it. Do you have any suggestions on one
 that might be particularly useful? It doesn't have to
 be terribly fancy, just enough so you can get a shell
 and 'fix things'.

I used dropbear for a while.  Works well.

http://matt.ucc.asn.au/dropbear/dropbear.html

Cheers!


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Re: server went unbootable

2012-04-07 Thread Colin Watson
On Sat, Apr 07, 2012 at 02:53:05AM +0100, Dale Amon wrote:
 1 A pet peeve of mine: a long time ago when I
   hand rolled critical systems out of linux, I had ssh come
   up almost before anything else. I consider it a bug that
   it is delayed so long in the boot process, as do some
   other hard core sys admins I know...

sshd is started as soon as all filesystems are mounted, which I can tell
you is considerably earlier than it used to be started!  I'm not going
to change it for precise now, but it'd probably be possible to start it
as soon as all *local* filesystems are mounted.  Feel free to file a bug
about that.

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Re: server went unbootable

2012-04-07 Thread Dale Amon
On Sat, Apr 07, 2012 at 11:14:23AM +0100, Colin Watson wrote:
 sshd is started as soon as all filesystems are mounted, which I can tell
 you is considerably earlier than it used to be started!  I'm not going
 to change it for precise now, but it'd probably be possible to start it
 as soon as all *local* filesystems are mounted.  Feel free to file a bug
 about that.

At one point I tried to build a 'special' statically
linked ssh... an effort that didn't work out... with
the idea of having it available on some port as an
emergency backdoor for sysadmins that came up as
soon as networking was up. The idea was that if things
went bad and you were 4000 miles away from the data
centre...

Just another of those things that I might have done,
if I lived on a planet with 48 hours days.



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Re: server went unbootable

2012-04-07 Thread Dale Amon
On Fri, Apr 06, 2012 at 07:04:41PM -0700, Benjamin Kerensa wrote:
 On 04/06/2012 06:53 PM, Dale Amon wrote:
 Did a whole bunch of 'Precise' updates that showed up today
 and on reboot the server is continuously printing:
 
 Buffer I/O error on device fd0, logical block 0
 end_request I/O error, dev fd0, sector 0

 As has been indicated in other threads you have started
 this mailing list is for Developer Discussion and not
 for support or complaints about certain features.

One would presume developers are interested in kernel
package errors that pop up with a release deadline 
only a few weeks away, so that they may fix them
while only a few are affected.




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Re: server went unbootable

2012-04-07 Thread Marius Gedminas
On Sat, Apr 07, 2012 at 11:14:23AM +0100, Colin Watson wrote:
 On Sat, Apr 07, 2012 at 02:53:05AM +0100, Dale Amon wrote:
  1 A pet peeve of mine: a long time ago when I
hand rolled critical systems out of linux, I had ssh come
up almost before anything else. I consider it a bug that
it is delayed so long in the boot process, as do some
other hard core sys admins I know...
 
 sshd is started as soon as all filesystems are mounted, which I can tell
 you is considerably earlier than it used to be started!  I'm not going
 to change it for precise now, but it'd probably be possible to start it
 as soon as all *local* filesystems are mounted.  Feel free to file a bug
 about that.

Filed https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/975985
since I also would find it welcome.

Marius Gedminas
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Re: server went unbootable

2012-04-07 Thread Dale Amon
On Sat, Apr 07, 2012 at 05:44:53PM +0300, Marius Gedminas wrote:
 Filed https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/975985
 since I also would find it welcome.

Thank you! Your name will be blessed by many
high wizards from their fortress sysadmin keeps!


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Re: server went unbootable

2012-04-07 Thread Michael Loftis


Sent from my Motorola Xoom
On Apr 7, 2012 5:44 AM, Dale Amon a...@vnl.com wrote:
 At one point I tried to build a 'special' statically
 linked ssh... an effort that didn't work out... with
 the idea of having it available on some port as an
 emergency backdoor for sysadmins that came up as
 soon as networking was up. The idea was that if things
 went bad and you were 4000 miles away from the data
 centre...

 Just another of those things that I might have done,
 if I lived on a planet with 48 hours days.


Don't use openssh! There are a few smaller, lighter, statically linkable
SSH daemons out there.
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Re: server went unbootable

2012-04-06 Thread Benjamin Kerensa

On 04/06/2012 06:53 PM, Dale Amon wrote:

Did a whole bunch of 'Precise' updates that showed up today
and on reboot the server is continuously printing:

Buffer I/O error on device fd0, logical block 0
end_request I/O error, dev fd0, sector 0

It comes up to where I can get an ssh session after about
a half hour. (1)

Has anyone else gotten bit this way? Is there any
general advice for things that might be a work around?

I'm going hunting but I have no idea what I am looking
for yet...

1 A pet peeve of mine: a long time ago when I
   hand rolled critical systems out of linux, I had ssh come
   up almost before anything else. I consider it a bug that
   it is delayed so long in the boot process, as do some
   other hard core sys admins I know...



As has been indicated in other threads you have started
this mailing list is for Developer Discussion and not
for support or complaints about certain features.

If you need support please feel free to utilize the
resources available:
http://www.ubuntu.com/support

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Team Lead, Ubuntu Oregon  of who we all are - Ubuntu
bkere...@ubuntu.com  http://ubuntu-oregon.org

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