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I have an Ubuntu 10.04 running on a server. I know that it isn't supported anymore, so I want to upgrade it to Ubuntu 14.04.

I have had problems trying to do this (in a testing environment, of course), because some dependencies couldn't be resolved or some packages couldn't be found (And to be certain, that was from Ubuntu 10.04 to Ubuntu 12.04). I want to make certain that some packages are available in Ubuntu 14.04, or at least alternatives, because the server has a lot of applications that need dependencies which are, maybe, only available in Ubuntu 10.04 and when migrated... Not good things are going to happen if I upgrade it and they aren't available.

What can I do to make certain that all the necessary dependencies are going to be met? I was thinking about an dpkg -l in both Ubuntu versions and compare them...

  • Tobias, I'm sorry for my bad english. I'm also looking for a way to determine that. During the last upgrade trial, there were a lot of unmet dependencies. – Steven667 Apr 20 '16 at 16:05
  • Is it correct that you have access to a system running Ubuntu 14.04? – Tobias Apr 20 '16 at 16:20
  • Yes, I have access to an Ubuntu 14,04 – Steven667 Apr 20 '16 at 16:55
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Not exactly a straight answer, but, as you have mentioned, how about you create a list of packages available on both versions of Ubuntu (10.04 and 14.04) and then compare it using diff?

You can create this list executing the commands below on each server:

$ sudo apt-get update
$ dpkg -l > packages_version.txt

Where version could be an identification of OS version you executed (like "10.04" or "14.04").

Once you have both lists you could analyze it manually or execute diff to check the differences. Something like:

$ diff packages_10.04.txt packages_14.04.txt

  • I think that's the easier way to do it. I was making a Python script that would take both files and do that. Diff will help a lot in this situation. Thanks for the reply. Also, thanks to all for your attention. Best regards. – Steven667 Apr 20 '16 at 17:24

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