Re: server went unbootable
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'. -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
Re: server went unbootable
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! -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
Re: server went unbootable
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. -- Colin Watson [cjwat...@ubuntu.com] -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
Re: server went unbootable
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. -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
Re: server went unbootable
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. -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
Re: server went unbootable
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 -- Special bonus feature: absolutely nowhere in RetchMail's code is there an arbitrary 3-second sleep(). Wow! What other mail retriever can say that? (Hint: not fetchmail.) -- http://open.nit.ca/wiki/index.php?page=RetchMail signature.asc Description: Digital signature -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
Re: server went unbootable
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! -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
Re: server went unbootable
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. -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
Re: server went unbootable
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 -- Benjamin Kerensa I am what I am because Team Lead, Ubuntu Oregon of who we all are - Ubuntu bkere...@ubuntu.com http://ubuntu-oregon.org -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss