Subject: Re: [vserver] Problem with root permissions
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Fri, 28 May 2021 17:14:06 +0200

On Fri, May 28, 2021 at 02:26:06AM +0200, Sam Przyswa wrote:
> Hi !

Hello Sam!

> I solved my kernel installation problem and recompiled a new
> one for security on the host machine and everything is working
> I will be able to migrate the machine to the new host.

Excellent news!
Thanks for the update, appreciated!

> Thank you for your help.

You're welcome!

All the best,
Herbert

> Sam.

> Le 26/05/2021 à 13:07, Sam Przyswa a écrit :

>> I have the firewall actived and fail2ban to secure SSH and FTP ports, 
>> my main problem right now is being able to reload my vserver kernel !

>> Sam.


>> Le 26/05/2021 à 12:34, Herbert Poetzl a écrit :
>>> On Wed, May 26, 2021 at 12:31:15PM +0200, Sam Przyswa wrote:
>>>> Hi,
>>> Hello Sam,

>>>> I use the same util-vserver version "0.30.216-pre3120-1.4" the
>>>> same distrib Debian 9.13 and the same custom vserver kernel,
>>>> but now I have an other problem, I had changed kernel to test
>>>> something and when I wanted to reload my vserver kernel it
>>>> doesn't want to install anymore I get this error:
>>>> -----------------
>>>> Hmm. There is a symbolic link 
>>>> /lib/modules/4.9.159-vs2.3.9.8-perso-v3/build
>>>>  However, I can not read it: No such file or directory
>>>>  Therefore, I am deleting /lib/modules/4.9.159-vs2.3.9.8-perso-v3/build
>>>> Hmm. The package shipped with a symbolic link
>>>> /lib/modules/4.9.159-vs2.3.9.8-perso-v3/source
>>>>  However, I can not read the target: No such file or directory
>>>>  Therefore, I am deleting 
>>>> /lib/modules/4.9.159-vs2.3.9.8-perso-v3/source
>>> That doesn't sound like the normal Unix/Linux error
>>> messages I'd expect to see ...

>>> You sure your server has not been taken over by some
>>> hostile AI?

>>>> -----------------
>>>> I am going crazy
>>> Double check the symlink, where it points to, what
>>> permissions it has and what state the filesystem is
>>> in.

>>> Best,
>>> Herbert

>>>> Sam.
>>>> Le 24/05/2021 à 15:07, Herbert Poetzl a écrit :
>>>>> On Mon, May 24, 2021 at 03:04:59AM +0200, Sam Przyswa wrote:
>>>>>> Hi,
>>>>> Hello Sam,
>>>>>> I have problems on Debian 9.13 with root permissions when
>>>>>> starting the guest I have this error message:
>>>>>> Fixing visibility of /proc entries for Linux-VServer
>>>>>> guests.../proc/net/: Operation not permitted
>>>>>> I have the same guest running on another machine with the same
>>>>>> Debian version and the same kernel, but I have to migrate it to
>>>>>> another machine ...
>>>>> Do you also use the same util-vserver and the same
>>>>> guest configuration or is there a difference?
>>>>> Also could you upload the entire startup with
>>>>> --debug so that we can see what is going on?
>>>>> Thanks,
>>>>> Herbert
>>>>>> Help.
>>>>>> Thanks in advance.
>>>>>> Sam.