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Since upgrading to 11.10 I can't upgrade any further (trying to get my web server to latest version.) I'm aware of How do I resolve unmet dependencies after adding a PPA? and have tried up to the point of running this:

apt-get remove --dry-run libc6

..but the output is scary and I'm worried about removing this package or at least until I understand what I'm doing better.

Here is the output of 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.
libc-dev-bin : Depends: libc6 (> 2.15) but 2.13-20ubuntu5.3 is installed
libc6 : Depends: libc-bin (= 2.13-20ubuntu5.3) but 2.15-0ubuntu20.2 is installed
libc6-dev : Depends: libc6 (= 2.15-0ubuntu20.2) but 2.13-20ubuntu5.3 is installed
libnih-dbus1 : Depends: libnih1 (= 1.0.3-4ubuntu11) but 1.0.3-4ubuntu2 is installed
E: Unmet dependencies. Try using -f.

Obviously I've done what it says to no avail.

Can anyone suggest a safe way to fix these issues? Ultimately I'm trying to get my web server to the latest version of Ubuntu so maybe there's a way to bypass this. Note that I have command line access only. I've got a few live websites there that are easily backed up but otherwise nothing too critical.

Thanks in advance for any help.

Rob

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Rob Riley
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1 Answers1

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11.10 is no longer supported since 9 May 2013. Upgrading all the way to 14.04 is a long call.

I suggest you backup your data and install 14.04 from scratch.

To Do
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  • Thanks. So out of interest if I'd have upgraded to a new release each time they came out rather than trying to upgrade through each release one at a time now, what would have been the difference? – Rob Riley Apr 18 '14 at 14:34
  • Upgrading from one release to the next is pretty easy. As a side note, for a server you may want to consider limiting yourself to Long Term Support releases for greater stability and less frequent upgrades (every 2 years instead of 6 months). You're in luck, because 14.04 is an LTS release. – To Do Apr 18 '14 at 14:38
  • Ok thanks. So any idea how I might solve my original issue so I can upgrade through each version? – Rob Riley Apr 18 '14 at 16:47