Ubuntu – Used purge command to remove java, it removed a lot more than java

12.0464-bitcommand linejavapackage-management

I used this purge command sudo apt-get purge openjdk7*, however this uninstalled a lot of the software and my me menu has vanished. Every time I install something there is a huge list of packages the system wants me to remove by using the command sudo apt-get autoremove. I looked trough these, and some were recently installed, but are recognized as orphaned packages.

Is there any way I can solve this, or do I have to format and install Ubuntu again? I am using Ubuntu 12.04 LTS x64.

Here are pastebins of three relevant log files from my system:

/var/log/dpkg.log

/var/log/apt/history.log

/var/log/apt/term.log

Best Answer

Going from the APT history log, the problem wasn't apt-get purge openJDK7*, which uninstalled openjdk, but apt-get purge java* which removed ubuntu-desktop.

The problem is that java* matches javascript :)

To get back to a usable system, apt-get install ubuntu-desktop.

To get everything you had installed back, install everything you can see that APT removed when you told it to purge java*.

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Update

This thing also happens, when I update and then cut the power. I realized if I just boot into networking mode and then restart it just works, if that didn't work try the solution below:

So the problem was about a package, since it only happens after I update the packages. So I tried to remove backports from sources.list and it just worked(credits to the idea goes to manesh)!

What I exactly did, I booted up into networking mode from recovery mode(weirdly it just worked, would be nice if I someone explains to me, why that works but can't boot up normally, tried chrooting from live CD but most commands returned no premission to /dev/null. Would appreciate it if somebody explains that too.), commented backports and just did the following:

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Ubuntu – I’m having dependency problems with wine and multiarch on 12.04×64. I need a solution

Create New source list using this website. Select your version and choose sources as per your requirement.Tick out Wine in extra repository list. Click on Generate list, You will get generated source list.

Now edit your source list using executing following command on Terminal

sudo nano /etc/apt/sources.list

Delete all lines and Copy generated list, save file by pressing Ctrl+X, choosing Yes. Update your package list using

sudo apt-get update

Now try to installl Wine

sudo apt-get install wine

Fixed same problem before an hour on my system.

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