Comment 55 for bug 430224

On 07/17/2011 12:52 PM, Clint Byrum wrote:
> Excerpts from Rolf Leggewie's message of Sun Jul 17 14:47:43 UTC 2011:
>> My apologies for keeping on mixing up hardy and dapper. I appreciate
>> your work, but if you look at comment 27 and my situation it may not be
>> enough.
>>
>> I am running a vserver on some hosting service out there (I actually
>> have no idea what OS they use for the host). I am running hardy and
>> think time has come to upgrade to lucid. I go through the motions which
>> include a reboot and boom, without warning I am COMPLETELY shut off from
>> my vserver. ssh does not come up because it relies on a working
>> upstart. People lucky enough not to have upgraded yet from hardy are
>> currently left without any upgrade path at all and without a warning of
>> the potential upstart trouble.
>>
>> Steve and Daniel warned about potential problems very early on, almost
>> two years ago, but it seems that interest in investigating them
>> thoroughly was bypassed in favor of pushing upstart out the door.
>> That's the beef I have with it.
>>
>> If thanks to your efforts we see a backport of a working upstart to
>> lucid then I think some code changes should be pushed to hardy as well
>> (probably into upstart-manager) that will refuse an update hardy->lucid
>> when running inside a vserver/chroot when that PPA-solution you provide
>> is not available ("Please enable PPA XY before continuing with the
>> release update to lucid!")
>>
>
> AHH..
>
> I think actually the upstart-dummy program might actually work for
> you. I've talked to the author about patching and maintaining it.. but
> never knew if there was a good enough reason to do so.
>
> It wouldn't be perfect, but it might work for this situation.
>
> Until then, I believe OpenVZ and LXC work fine for providing lucid
> and later.

I run many Lucid containers based on OpenVZ and Virtuozzo with great
success. The only problem regarding SSH is discussed in LP: 634900. The
fix to this problem is basically to comment the "oom never" line in
/etc/init/ssh.conf.