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When I'm upgrading, get this error and can't install anything else

You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 krb5-multidev : Depends: libkrb5-3 (= 1.10+dfsg~beta1-2ubuntu0.2) but 1.10+dfsg~beta1-2ubuntu0.3 is installed
                 Depends: libk5crypto3 (= 1.10+dfsg~beta1-2ubuntu0.2) but 1.10+dfsg~beta1-2ubuntu0.3 is installed
                 Depends: libgssapi-krb5-2 (= 1.10+dfsg~beta1-2ubuntu0.2) but 1.10+dfsg~beta1-2ubuntu0.3 is installed
                 Depends: libgssrpc4 (= 1.10+dfsg~beta1-2ubuntu0.2) but 1.10+dfsg~beta1-2ubuntu0.3 is installed
                 Depends: libkadm5srv-mit8 (= 1.10+dfsg~beta1-2ubuntu0.2) but 1.10+dfsg~beta1-2ubuntu0.3 is installed
                 Depends: libkadm5clnt-mit8 (= 1.10+dfsg~beta1-2ubuntu0.2) but 1.10+dfsg~beta1-2ubuntu0.3 is installed
E: Unmet dependencies. Try using -f.

I tried to run apt-get install -f but I still get the unmet dependencies error.

this is the apt-cache policy output : (i couldn't post it to much hyper links so i pastebin it)

apt-cache policy output

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7
  • Please edit your post to show the output of apt-cache policy
    – jplatte
    Aug 9, 2012 at 20:03
  • It looks like the packages that are installed are newer than the ones that are being requested.
    – xyious
    Aug 10, 2012 at 8:42
  • You use repositories from lucid, oneiric and precise. That's probably what's causing your problem. Which Ubuntu version are you using?
    – jplatte
    Aug 11, 2012 at 9:31
  • @jP_wanN im using 12.04
    – miki
    Aug 13, 2012 at 16:07
  • I think you have to clean up your repositories with ppa-purge and then retry it again. First, to see if the problem is really caused by your repos, try to install the krb5-multidev package on a ubuntu live system after once reloading the software lists with sudo apt-get update
    – jplatte
    Aug 13, 2012 at 16:29

3 Answers 3

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A security update for Kerberos packages was issued on July 31, 2012, to fix a security vulnerability. This bumped the Ubuntu version numbers from ubuntu0.2 to ubuntu0.3.

It's possible (but rare) that for a while, the libkrb5-dev/krb5-multidev packages were not updated, and thus had the old dependencies of ubuntu0.2 which was causing your problem.

In any case, it appears this has now been fixed:

$ apt-cache show libkrb5-dev | grep Depends
Depends: krb5-multidev (= 1.10+dfsg~beta1-2ubuntu0.3)

$ apt-cache show krb5-multidev | grep Depends
Depends: libkrb5-3 (= 1.10+dfsg~beta1-2ubuntu0.3), libk5crypto3 (= 1.10+dfsg~beta1-2ubuntu0.3), libgssapi-krb5-2 (= 1.10+dfsg~beta1-2ubuntu0.3), libgssrpc4 (= 1.10+dfsg~beta1-2ubuntu0.3), libkadm5srv-mit8 (= 1.10+dfsg~beta1-2ubuntu0.3), libkadm5clnt-mit8 (= 1.10+dfsg~beta1-2ubuntu0.3), comerr-dev

Please try a sudo apt-get update && sudo apt-get -f install to try to fix this. If it it doesn't, just remove the libkrb5-dev package. From a simulated removal on my dev system, it appears that the CUPS and QT dev packages may also be removed (libqt3-mt-dev, libcups2-dev). And then install libkrb5-dev again.

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1

I would suggest attempting to remove the troublesome package before upgrading.

First, make sure removing krb5-multidev won't remove anything that appears to be vital.

sudo apt-get remove krb5-multidev --simulate

Review the packages under "The following packages will be REMOVED:". If you're not sure whether they are important, feel free to post the list here for us to look over for you.

Assuming nothing looks vital, go ahead and remove krb5-multidev:

sudo apt-get remove krb5-multidev

Then attempt the upgrade again. Once you've upgraded, you can reinstall krb5-multidev.

NOTE: There are probably more elegant methods to solve this problem. This is just an attempt to work around the error and get the upgrade done.

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  • sudo apt-get remove krb5-multidev --simulate the output is Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: libkrb5-dev : Depends: krb5-multidev (= 1.10+dfsg~beta1-2ubuntu0.2) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
    – miki
    Aug 10, 2012 at 15:44
  • Okay, I've got to admit, I'm a bit rusty on this sort of thing. If I were you, I'd try forcing the removal of any krb5 package that's being a problem (e.g. sudo apt-get remove libkrb5-dev --force). I would just be careful that no important packages accidentally went out the window with them. HOWEVER, you might want to hold out for a more elegant answer.
    – crenshaw-dev
    Aug 10, 2012 at 18:34
1

How I fixed it:

I went to the Synaptic package manager in order to fix the broken package. Click on Edit → Fix Broken packages.

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