[lxc-devel] Problem with apt-get upgrade with Ubuntu container on Fedora host.

Thu Jun 19 14:48:25 UTC 2014

On Thu, Jun 19, 2014 at 10:35:50AM -0400, Michael H. Warfield wrote:
> On Thu, 2014-06-19 at 10:19 -0400, Michael H. Warfield wrote:
> > On Thu, 2014-06-19 at 10:15 -0400, Michael H. Warfield wrote:
> > > This feels like it's an app armour issue...  Posting to the -devel since
> > > I don't think it's a user level problem.
> > 
> > > I run an Ubuntu container on a Fedora 20 host and it's "running" fine.
> > > The container was build on an Ubuntu "host" (really a container creating
> > > a sub-container) with "lxc-create ... -t ubuntu -- -r sid".
> > 
> > Oh, correction...  That was mislabeled as sid.  I double checked the
> > os-release and I had build "trusty" and this particular one had been
> > built using the download template, not using a subcontainer after all.
> > I've got too many development and test containers and I'm starting to
> > get them mixed up.  My apologies.

Oh, I should have read the whole thread before replying to the first e-mail :)

> More points on the curve.  When I shut the container down (over an ssh
> connection) in order to rename it, I saw this error:
> 
> root at Ubuntu-sid:~# init 0
> SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.29:  No such file or directory
> root at Ubuntu-sid:~# Connection to 2001:4830:3000:8200:207d:8eff:fe6f:3f79 closed by remote host.
> Connection to 2001:4830:3000:8200:207d:8eff:fe6f:3f79 closed.
> 
> My host is in selinux "permissive" mode
> and /etc/selinux/targeted/policy/policy.29 does exist in the host.
> Ubuntu container trying to do something with selinux?
> 
> After the rename of the container I noticed this when I logged back
> in...
> 
> [mhw at canyon ~]$ ssh ubuntu at 2001:4830:3000:8200:7c32:63ff:fec2:24b
> The authenticity of host '2001:4830:3000:8200:7c32:63ff:fec2:24b (2001:4830:3000:8200:7c32:63ff:fec2:24b)' can't be established.
> ECDSA key fingerprint is c4:ee:a0:56:8d:f7:19:cb:10:b9:14:49:cf:da:46:6b.
> Are you sure you want to continue connecting (yes/no)? yes
> Warning: Permanently added '2001:4830:3000:8200:7c32:63ff:fec2:24b' (ECDSA) to the list of known hosts.
> ubuntu at 2001:4830:3000:8200:7c32:63ff:fec2:24b's password: 
> X11 forwarding request failed on channel 0
> Welcome to Ubuntu 14.04 LTS (GNU/Linux 3.14.5-200.fc20.x86_64 x86_64)
> 
>  * Documentation:  https://help.ubuntu.com/
> Unable to get valid context for ubuntu
> Last login: Thu Jun 19 14:25:07 2014 from canyon.ip6.wittsend.com
> ubuntu at Ubuntu-trusty:~$ 
> 
> In addition to the fact that the download template didn't create the
> container with persistent mac addresses (the reason for the ssh
> authenticity warnings) I got an "Unable to get valid context for ubuntu"
> error when logging in.
> 
> I'll probably try putting the host into selinux disabled mode and try
> again.

Yeah, that'd be interesting as a test.

Ubuntu doesn't use SELinux, though a lot of stuff we ship has some kind
of support for it, so you may well be getting into odd corner cases,
running Ubuntu on a SELinux enabled machine.

> 
> Regards,
> Mike
> 
> > > When I go to run "apt-get update ; apt-get upgrade" I get an error like
> > > this:
> > > 
> > > root at Ubuntu-sid:~# apt-get upgrade
> > > Reading package lists... Done
> > > Building dependency tree       
> > > Reading state information... Done
> > > You might want to run 'apt-get -f install' to correct these.
> > > The following packages have unmet dependencies:
> > >  libasn1-8-heimdal : Depends: libroken18-heimdal (>= 1.4.0+git20110226) but it is not installed
> > >  libgssapi3-heimdal : Depends: libroken18-heimdal (>= 1.4.0+git20110226) but it is not installed
> > >  libhcrypto4-heimdal : Depends: libroken18-heimdal (>= 1.4.0+git20110226) but it is not installed
> > >  libheimntlm0-heimdal : Depends: libroken18-heimdal (>= 1.4.0+git20110226) but it is not installed
> > >  libhx509-5-heimdal : Depends: libroken18-heimdal (>= 1.4.0+git20110226) but it is not installed
> > >  libkrb5-26-heimdal : Depends: libroken18-heimdal (>= 1.6~git20131117) but it is not installed
> > >  libwind0-heimdal : Depends: libroken18-heimdal (>= 1.4.0+git20110226) but it is not installed
> > > E: Unmet dependencies. Try using -f.
> > > 
> > > Ok...  So, I try that...
> > > 
> > > root at Ubuntu-sid:~# apt-get -f install
> > > Reading package lists... Done
> > > Building dependency tree       
> > > Reading state information... Done
> > > Correcting dependencies... Done
> > > The following extra packages will be installed:
> > >   libroken18-heimdal
> > > The following NEW packages will be installed:
> > >   libroken18-heimdal
> > > 0 upgraded, 1 newly installed, 0 to remove and 22 not upgraded.
> > > 88 not fully installed or removed.
> > > Need to get 0 B/40.0 kB of archives.
> > > After this operation, 162 kB of additional disk space will be used.
> > > Do you want to continue? [Y/n] y
> > > dpkg: error processing archive /var/cache/apt/archives/libroken18-heimdal_1.6~git20131207+dfsg-1ubuntu1_amd64.deb (--unpack):
> > >  cannot get security labeling handle: No such file or directory
> > > Errors were encountered while processing:
> > >  /var/cache/apt/archives/libroken18-heimdal_1.6~git20131207+dfsg-1ubuntu1_amd64.deb
> > > E: Sub-process /usr/bin/dpkg returned an error code (1)
> > > 
> > > Ok...  Here's where I think it's an app armour thing.  That error
> > > "cannot get security labeling handle: No such file or directory" can not
> > > be good.
> > > 
> > > Any ideas what we have broken in here or what should be done about it to
> > > make it work?
> > > 
> > > Regards,
> > > Mike
> > 
> 
> -- 
> Michael H. Warfield (AI4NB) | (770) 978-7061 |  mhw at WittsEnd.com
>    /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
>    NIC whois: MHW9          | An optimist believes we live in the best of all
>  PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!
> 

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-- 
Stéphane Graber
Ubuntu developer
http://www.ubuntu.com
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