[Guide] Add PPA support // OpenJDK7- Community

[Guide] Add PPA support // OpenJDK7

Community Discussion 725 views · 1 replies ·

interfacenode

deepin

2016-09-19 13:35

Author

Edited by interfacenode at 2016-9-19 05:43

Overview
I noticed obtaining OpenJDK7 is very challenging under Deepin.

When considering this problem I had the thought to just use Webupd8s PPA since it's always treated me good before.

To enable PPA issue the following into terminal:

sudo apt-get install software-properties-common python-software-properties

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This should only take a few seconds, while you're at it may as well install Synaptic:

sudo apt-get install synaptic

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Great! Now to add a PPA right? We'll use Webupd8s OpenJDK one.

sudo add-apt-repository ppa:webupd8team/java

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Next we will use terminal to open a root session of itself:

sudo terminal

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From Root terminal, issue the following:

dde-file-manager

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Now we have a root shell, note this could be done with sudo dde-file-manager but I thought it would be funny to show a very basic way to show why root terminal is nice as a root launcher..

Anyway, browse to the following in your root File Manager:

/etc/apt/sources.list.d

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Inside you'll see filenames with Yakkety

We want to change them to xenial.

Inside of these files, also change yakkety to xenial; for example openjdk-r-ubuntu-ppa-yakkety.list should be openjdk-r-ubuntu-ppa-xenial.list.
The contents should be similar to:

ubuntu xenial main

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Before using an Ubuntu PPA these changes must occur, in terms of Ubuntu we are compatible with Xenial branch the most.

After these changes issue to terminal:

sudo apt-get update

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And finally, to install our build of choice; in this case openJDK7 issue the following:

sudo apt-get install openjdk-7-jdk

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After check your java version by doing the following in terminal:

java -version

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Now uninstall the current Java8 with the following:

sudo apt-get remove openjdk-8-jdk

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sudo apt-get remove oracle-java8*

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interfacenode

deepin

2016-09-19 13:42

PPA support is really useful, I realize some people may put me on blast for blatantly taking core parts of Ubuntu but all I care about is a better experience and of course productivity.

Come on guys, give the developers OpenJDK7 :< some code requires it
Don't make me go through such messed up stuff!

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