1. Notes: 34 / 2 years ago 

    Lubuntu 11.10 Java 7 JRE Howto (32bit)

    1. download source tarball from java site (32bit)

    2. remove all openjdk packages (via synaptic package manager)

    3. create a temp dir and untar the downloaded file

    4. (as root) mv the jre1.7.0 directory to /usr/lib/jvm/

    5. (as root) do a updatedb on the system

    6. get this script, (webupd8.googlecode.com/files/update-java-0.5b) and edit it

    6.a substitute all gksudo words with sudo

    6.a.1 (note) you can do it in a easier fashion, by running this command on the shell:

    cat update-java-0.5b | sed ‘s/gksudo/sudo/g’ > update-java.05c

    6.a.2 (note) this will create a new script file, with the needed changes.

    7. do a chmod +x update-java.05c, in order to be able to run the script after.

    8. (run) sudo update-java.05c 

    8.a a screen will popup, asking you which java version to delete, just press cancel.

    8.b a 2nd screen will appear, asking you which version of java to “install”, choose jre1.7.0 and press ok.

    9. it will print some odd GTK errors (cosmetic), and finish :)

    10. erase the tarball you’ve downloaded from java. et voila! ;0)

    OPTIONAL Java Plugin for Mozilla/Chromium

    1. remove the old plugins from the sistem.

    1.a (run) rm -f ~/.mozilla/plugins/libnpjp2.so ~/.mozilla/plugins/libjavaplugin_oji.so

    1.b (run as root) sudo rm -f /usr/lib/firefox/plugins/libnpjp2.so /usr/lib/firefox/plugins/libjavaplugin_oji.so

    2. create simbolic links for the new java plugins

    2.a (run) mkdir -p ~/.mozilla/plugins && cd ~/.mozilla/plugins && ln -s /usr/lib/jvm/jre1.7.0/jre/lib/i386/libnpjp2.so ~/.mozilla/plugins/ && ln -s /usr/lib/jvm/jre1.7.0/jre/lib/i386/libjavaplugin_oji.so /usr/lib/firefox/plugins/

    2.b (run as root) sudo ln -s /usr/lib/jvm/jre1.7.0/jre/lib/i386/libnpjp2.so /usr/lib/firefox/plugins/ && ln -s /usr/lib/jvm/jre1.7.0/jre/lib/i386/libjavaplugin_oji.so /usr/lib/firefox/plugins/

    3. finito/kaput/fim/the end


    #credits - parts taken from webupd8 howto for the jdk on ubuntu 11.10 and, the rest by me.
  2. Notes

    1. leodr posted this
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