Subject: Re: [vserver] floating hostname
From: Wojciech Giel <wojciech.giel@cimr.cam.ac.uk>
Date: Thu, 20 Jan 2011 21:09:35 +0000

thanks,
ok. i will try with util-vserver 30.216
cheers
Wojciech


Herbert Poetzl wrote:
> On Tue, Jan 18, 2011 at 09:49:37PM +0000, Wojciech Giel wrote:
>   
>> Herbert Poetzl wrote:
>>     
>>> On Tue, Jan 18, 2011 at 04:41:55PM +0000, Wojciech Giel wrote:
>>>       
>
>   
>>>> Hi,
>>>>         
>
>   
>>>> I'm running VS on ubuntu server 8.04. I used before kernel from 
>>>> http://ppa.launchpad.net/christoph-lukas/ppa/ubuntu hardy and 
>>>> everything was fine but when I upgraded with kernel to 2.6.32.25 
>>>> and vs2.3.0.36.29.6. 
>>>>         
>
>   
>>> first, why upgrade the kernel when everything was fine?
>>> second, if you upgrade, why to a kernel which is quite
>>> old compared to recent kernels?
>>>       
>
>   
>> My bioinf team think of moving from ubuntu server 8.04 guest to 10.4.
>> I have tried to run 10.4 but cannot start it. upstart patch and
>> configuration given on VS website didn't work. when I ps aux in guest
>> I got continuous root (.....) init. so next step was to compile a
>> newer kernel so i've decided to check the long support 2.6.32 line. on
>> this server 10.4 VS starts but when i ssh to ex. stats host in comand
>> prompt betasms (guest - 10.4) the same when I ssh to any other guest.
>>     
>>>> when I ssh to host or any guests I get different hostname.
>>>> It is floating somehow. 
>>>>         
>
>   
>>> I doubt that the hostname is 'floating' around somehow.
>>>       
>
>   
>> Yes i realized it is only vs with 10.4.
>>     
>>>> What might be a problem?
>>>>         
>
>   
>>> I presume that the hostname just changes every now and
>>> then, which might be a side effect of not having proper
>>> guest isolation (which usually is the result of using
>>> too old util-vserver for your kernel)
>>>       
>
>   
>> i have 30.214 util-vserver from repository. should I try to compile 
>> latest stable .30.215 or experimental?
>>     
>
> let me check, hmm ... 
> 0.30.214 released September 2007
> 0.30.215 released March 2008, 
> 2.6.32 kernel, released December 2009
>
> so yes, you need to update util-vserver and no
> neither 0.30.214 nor 0.30.215 will work with
> a kernel newer than 2.6.22 mainly because the
> namespaces were not part of the kernel back
> then ...
>
> HTC,
> Herbert
>
>   
>> thanks
>> Wojciech
>>     
>
>   
>>> best,
>>> Herbert
>>>       
>
>   
>>>> thanks
>>>> Wojciech
>>>>         
>
>