[lxc-users] Unprivileged container woes: unable to install packages

Ingo Baab ib at baab.de
Sun Aug 21 07:59:41 UTC 2016


What were the issues, running a Mailserver as an unpriviledged LXC?
I do the same.. and it seems to work without problems.. I just made the 
Mailports forward to the LXC with iptables..

Just curriously,
-Ingo


Am 20.08.2016 um 20:52 schrieb jjs - mainphrame:
> Greetings,
>
> I've given up on the unprivileged container for now. I've created a 
> new container with the same role, and the same configuration except 
> that it is privileged. The privileged version of this container is 
> working more or less as expected.
>
> This container isn't doing anything I'd have considered exotic - it's 
> running postfix, clamd, and maiad (a modern derivative of amavisd-new).
>
> This is a data point which may prove useful to those who may read this 
> at some point down the road.
>
> Jake
>
> On Thu, Aug 18, 2016 at 10:42 AM, jjs - mainphrame <jjs at mainphrame.com 
> <mailto:jjs at mainphrame.com>> wrote:
>
>     Greetings,
>
>     I had decided to build an lxd version of an lxc server which had
>     been running reliably for some time. Unfortunately, it doesn't
>     seem to be running quite as smoothly. is some sort of special
>     permissions hacking required?
>
>     Here is one example of a problem in the new lxd container, which
>     was never seen in the lxc container, namely attempting to install
>     a package:
>
>     Please pardon me if this is a FAQ as I've been primarily working
>     with openvz of late - point me to TFM if there is a TFM which
>     would enlighten me on this subject.
>
>
>     Dependencies Resolved
>
>     ==================================================================================
>      Package       Arch           Version       Repository       Size
>     ==================================================================================
>     Installing:
>      httpd         x86_64         2.4.6-40.el7.centos.4       updates
>             2.7 M
>
>     Transaction Summary
>     ==================================================================================
>     Install  1 Package
>
>     Total download size: 2.7 M
>     Installed size: 9.4 M
>     Is this ok [y/d/N]: y
>     Downloading packages:
>     httpd-2.4.6-40.el7.centos.4.x86_64.rpm           | 2.7 MB  00:00:00
>     Running transaction check
>     Running transaction test
>     Transaction test succeeded
>     Running transaction
>       Installing : httpd-2.4.6-40.el7.centos.4.x86_64                
>                 1/1
>     Error unpacking rpm package httpd-2.4.6-40.el7.centos.4.x86_64
>     error: unpacking of archive failed on file /usr/sbin/suexec: cpio:
>     cap_set_file
>       Verifying  : httpd-2.4.6-40.el7.centos.4.x86_64                
>                 1/1
>
>     Failed:
>       httpd.x86_64 0:2.4.6-40.el7.centos.4
>
>     Jake
>
>
>
>
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