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= Java =
= Java =


== How to install java system wide on Linux ==
== How to install java system wide on Fedora/CentOS Linux ==
Download the JRE rpm file from Oracle website, then add java to alternatives as follow:
Download the JRE rpm file from Oracle website, then add java to alternatives as follow:


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<pre><nowiki>
<pre><nowiki>
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/latest/lib/amd64/libnpjp2.so 20000
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/latest/lib/amd64/libnpjp2.so 20000
</nowiki></pre>


== How to install java system wide on Ubuntu/Debian Linux ==

Download the binary file from Oracle website, place it where the JVMs are used to be:

<pre><nowiki>
mv jdk-6u32-linux-x64.bin /usr/lib/jvm/
cd /usr/lib/jvm
chmod +x jdk-6u32-linux-x64.bin
./jdk-6u32-linux-x64.bin
</nowiki></pre>


Update alternatives:

<pre><nowiki>
update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.6.0_32/bin/java" 1
update-alternatives --install "/usr/lib/mozilla/plugins/libjavaplugin.so" "mozilla-javaplugin.so" "/usr/lib/jvm/jdk1.6.0_32/lib/i386/libnpjp2.so" 1
</nowiki></pre>


On 64-bit systems, replace the last command with:

<pre><nowiki>
update-alternatives --install "/usr/lib/mozilla/plugins/libjavaplugin.so" "mozilla-javaplugin.so" "/usr/lib/jvm/jdk1.6.0_32/jre/lib/amd64/libnpjp2.so" 1
</nowiki></pre>
</nowiki></pre>

Revision as of 22:48, 7 August 2012

Java

How to install java system wide on Fedora/CentOS Linux

Download the JRE rpm file from Oracle website, then add java to alternatives as follow:


 alternatives --install /usr/bin/java java /usr/java/latest/bin/java 20000
 alternatives --install /usr/bin/javaws javaws /usr/java/latest/bin/javaws 20000
 alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/latest/lib/i386/libnpjp2.so 20000


On 64-bit systems, replace the last command with:

 alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/latest/lib/amd64/libnpjp2.so 20000


How to install java system wide on Ubuntu/Debian Linux

Download the binary file from Oracle website, place it where the JVMs are used to be:

 mv jdk-6u32-linux-x64.bin /usr/lib/jvm/
 cd /usr/lib/jvm
 chmod +x jdk-6u32-linux-x64.bin
 ./jdk-6u32-linux-x64.bin


Update alternatives:

 update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.6.0_32/bin/java" 1
 update-alternatives --install "/usr/lib/mozilla/plugins/libjavaplugin.so" "mozilla-javaplugin.so" "/usr/lib/jvm/jdk1.6.0_32/lib/i386/libnpjp2.so" 1


On 64-bit systems, replace the last command with:

 update-alternatives --install "/usr/lib/mozilla/plugins/libjavaplugin.so" "mozilla-javaplugin.so" "/usr/lib/jvm/jdk1.6.0_32/jre/lib/amd64/libnpjp2.so" 1