1

Not necessarily asking for a solution but just the meaning of what I'm dealing with:

admin@hostname:/etc/apache2/mods-available$ sudo apt-get install libapache2-mod-mono

Reading package lists... Done
Building dependency tree
Reading state information... Done

admin@hostname:/etc/apache2/mods-available$ sudo apt-get remove libapache2-mod-mono

Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'libapache2-mod-mono' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 191 not upgraded.

If the package isn't being installed why am I not receiving an error? If I do an apt-cache search the package name shows up and the apt logs don't even mention me trying to install this package.

For more background I'm running debian 8.1 (Jessie) on AWS. I was following these instructions: http://www.mono-project.com/docs/getting-started/install/linux/

I ran the following commands:

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
echo "deb http://download.mono-project.com/repo/debian wheezy main" | sudo tee /etc/apt/sources.list.d/mono-xamarin.list
echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | sudo tee -a /etc/apt/sources.list.d/mono-xamarin.list
echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | sudo tee -a /etc/apt/sources.list.d/mono-xamarin.list
sudo apt-get update

Without an error I'm not really sure what to do. I've never seen apt-get do this before. Help?

EDIT:

Here's the policy information:

admin@hostname:~$ apt-cache policy

Package files:
 100 /var/lib/dpkg/status
     release a=now
 500 http://download.mono-project.com/repo/debian/ wheezy-libjpeg62-compat/main amd64 Packages
     release v=7.0,o=XamarinLibJpeg62Compat,a=stable-libjpeg62-compat,n=wheezy-libjpeg62-compat,l=Xamarin-Stable-libjpeg62-compat,c=main
     origin download.mono-project.com
 500 http://download.mono-project.com/repo/debian/ wheezy-apache24-compat/main amd64 Packages
     release v=7.0,o=XamarinApache24Compat,a=stable-apache24-compat,n=wheezy-apache24-compat,l=Xamarin-Stable-apache24-compat,c=main
     origin download.mono-project.com
 500 http://download.mono-project.com/repo/debian/ wheezy/main amd64 Packages
     release v=7.0,o=Xamarin,a=stable,n=wheezy,l=Xamarin-Stable,c=main
     origin download.mono-project.com
 500 http://cloudfront.debian.net/debian/ jessie-updates/main Translation-en
 500 http://cloudfront.debian.net/debian/ jessie-updates/main amd64 Packages
     release o=Debian,a=stable-updates,n=jessie-updates,l=Debian,c=main
     origin cloudfront.debian.net
 500 http://security.debian.org/ jessie/updates/main Translation-en
 500 http://security.debian.org/ jessie/updates/main amd64 Packages
     release v=8,o=Debian,a=stable,n=jessie,l=Debian-Security,c=main
     origin security.debian.org
 500 http://cloudfront.debian.net/debian/ jessie/main Translation-en
 500 http://cloudfront.debian.net/debian/ jessie/main amd64 Packages
     release v=8.2,o=Debian,a=stable,n=jessie,l=Debian,c=main
     origin cloudfront.debian.net
Pinned packages:

admin@hostname:~$ apt-cache policy libapache2-mod-mono

libapache2-mod-mono:
  Installed: (none)
  Candidate: 3.12-0xamarin2+compat1
  Version table:
     3.12-0xamarin2+compat1 0
        500 http://download.mono-project.com/repo/debian/ wheezy-apache24-compat/main amd64 Packages
     3.12-0xamarin2 0
        500 http://download.mono-project.com/repo/debian/ wheezy/main amd64 Packages
  • Post the output of apt-cache policy libapache2-mod-mono in your question, not the comments. Also the output of apt-cache policy. – Faheem Mitha Dec 31 '15 at 21:38
  • @FaheemMitha - Done – Spencer Ruport Dec 31 '15 at 22:06
  • Based on the information given, I'm not sure what is going on either. One comment: if you are using third-party sources, pin them to something lower than 100, I usually use 50. That way you don't have to worry about upgrading to third party packages accidentally. If you want to talk, come to the main chat room. I can try to take a closer look. I'm not there all the time, but if you ping me, I'll see it eventually. BTW, you also probably don't want to be using third-party wheezy repositories on a jessie system. – Faheem Mitha Dec 31 '15 at 23:25
0

Please try this:

apt-get update; apt-get purge libapache2-mod-mono; apt-get -f install; apt-get install libapache2-mod-mono

If that won't help then please read here:

How to run mod_mono on Debian Jessie (package libapache2-mod-mono missing)?

  • Can you give some background on what this is doing? – Spencer Ruport Dec 31 '15 at 22:07
  • apt-get update makes sure your repo metadata is current vis-a-vis package availability and versions. apt-get purge $PACKAGE removes any cached copy of the package from your local system. apt-get -f install will clean up any incomplete or broken install or uninstall processes. After all this, a fresh try at installing the package is attempted. – DopeGhoti Dec 31 '15 at 22:16
  • These commands had no affect. apt-get doesn't do anything it just kicks me back to the command line after the usual output. :( – Spencer Ruport Dec 31 '15 at 22:19
  • So the problem is much deeper, has to do with Jessie and you should read up the other thread about same thing that i linked. It's all explained in depth in there. – monsune Dec 31 '15 at 22:42
0

I did some more digging and dmesg was reporting some segfaults coming from aptitude.

[ 7384.810518] apt-get[6440]: segfault at 7f5adb08a648 ip 00007f5adb08a648 sp 00007ffdf4b9d618 error 15
[ 7433.569688] apt-get[6450]: segfault at 7f153041d648 ip 00007f153041d648 sp 00007ffc6bfb29d8 error 15
[ 7624.614647] apt-get[6493]: segfault at 7fae19437318 ip 00007fae19437318 sp 00007ffebd660c78 error 15
[ 7647.248347] apt-get[6505]: segfault at 7fcbdedc2318 ip 00007fcbdedc2318 sp 00007ffef87ad688 error 15
[ 7726.721028] apt-get[6539]: segfault at 7f0d0bc0b848 ip 00007f0d0bc0b848 sp 00007ffdb6f55588 error 15
[ 7872.903745] apt-get[6547]: segfault at 7f69c0caf848 ip 00007f69c0caf848 sp 00007ffcc83296c8 error 15
[ 8009.062830] apt-get[6561]: segfault at 7fe658208848 ip 00007fe658208848 sp 00007ffeeac5e398 error 15
[ 8033.035303] apt-get[6567]: segfault at 7ff32b0fa848 ip 00007ff32b0fa848 sp 00007ffd55d04cd8 error 15
[12626.030754] apt-get[6679]: segfault at 7faa21fa5848 ip 00007faa21fa5848 sp 00007fffb0badc28 error 15

Faheem asked what happens if I try to install a package I've already installed so I tried mono-devel. I had already installed this package but I did so prior to adding some of the package sources I mentioned above.

Anyway after mono-devel finished installing again I tried installing libapache2-mod-mono again and it worked as expected.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.