2012-12-08

Remove all the Java related packages on Linux Mint 14

I have just installed Linux Mint 14 and wanted to install my own Java environment. Quick search brought me to this thread http://askubuntu.com/questions/84483/how-to-completely-uninstall-java/185250#185250, so this post is just a copy my own further needs :-)

1) Remove all the Java related packages (Sun, Oracle, OpenJDK, IcedTea plugins, GIJ):
sudo apt-get update
apt-cache search java | awk '{print($1)}' | grep -E -e '^(ia32-)?(sun|oracle)-java' -e '^openjdk-' -e '^icedtea' -e '^(default|gcj)-j(re|dk)' -e '^gcj-(.*)-j(re|dk)' -e 'java-common' | xargs sudo apt-get -y remove
sudo apt-get -y autoremove

2) Purge config files:
dpkg -l | grep ^rc | awk '{print($2)}' | xargs sudo apt-get -y purge

3) Remove Java config and cache directory:
sudo bash -c 'ls -d /home/*/.java' | xargs sudo rm -rf

4) Remove manually installed JVMs:
sudo rm -rf /usr/lib/jvm/*

5) Remove Java entries, if there is still any, from the alternatives:
for g in ControlPanel java java_vm javaws jcontrol jexec keytool mozilla-javaplugin.so orbd pack200 policytool rmid rmiregistry servertool tnameserv unpack200 appletviewer apt extcheck HtmlConverter idlj jar jarsigner javac javadoc javah javap jconsole jdb jhat jinfo jmap jps jrunscript jsadebugd jstack jstat jstatd native2ascii rmic schemagen serialver wsgen wsimport xjc xulrunner-1.9-javaplugin.so; do sudo update-alternatives --remove-all $g; done

6) Search for possible remaining Java directories:
sudo updatedb
sudo locate -b '\pack200'

If the command above produces any output like /path/to/jre1.6.0_34/bin/pack200 remove the directory that is parent of bin, like this:
sudo rm -rf /path/to/jre1.6.0_34.

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