Install Oracle JDK on Ubuntu
2014-04-09
This article describes how to install Oracle JDK on Ubuntu. There are two ways to it.
Way I. Install Oracle JDK via PPA
Run in terminal:
sudo add-apt-repository ppa:webupd8team/java sudo apt-get update sudo apt-get install oracle-java8-installer
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Way II. Manual installation
Download jdk-8-linux-i586.tar.gz or jdk-8-linux-x64.tar.gz from Oracle official website.
Run the following commands in terminal:
tar -xvf jdk-8-linux-x64.tar.gz sudo mkdir -p /usr/lib/jvm sudo mv ./jdk1.8.0 /usr/lib/jvm/ sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.8.0/bin/java" 1 sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.8.0/bin/javac" 1 sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.8.0/bin/javaws" 1 sudo chmod a+x /usr/bin/java sudo chmod a+x /usr/bin/javac sudo chmod a+x /usr/bin/javaws sudo chown -R root:root /usr/lib/jvm/jdk1.8.0 sudo update-alternatives --config java
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Install Mozilla Firefox Java plugin (for single user)
32 bit:
ln -s /usr/lib/jvm/jdk1.8.0/jre/lib/i386/libnpjp2.so ~/.mozilla/plugins/ |
64 bit:
ln -s /usr/lib/jvm/jdk1.8.0/jre/lib/amd64/libnpjp2.so ~/.mozilla/plugins/ |
Install Mozilla Firefox Java plugin (for all users)
32 bit:
sudo ln -s /usr/lib/jvm/jdk1.8.0/jre/lib/i386/libnpjp2.so /usr/lib/mozilla/plugins/ |
64 bit:
sudo ln -s /usr/lib/jvm/jdk1.8.0/jre/lib/amd64/libnpjp2.so /usr/lib/mozilla/plugins/ |
Install Google Chrome Java plugin
32 bit:
sudo mkdir -p /opt/google/chrome/plugins cd /opt/google/chrome/plugins sudo ln -s /usr/lib/jvm/jdk1.8.0/jre/lib/i386/libnpjp2.so ~/.mozilla/plugins/ |
64 bit:
sudo mkdir -p /opt/google/chrome/plugins cd /opt/google/chrome/plugins sudo ln -s /usr/lib/jvm/jdk1.8.0/jre/lib/amd64/libnpjp2.so ~/.mozilla/plugins/
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Conclusion
To check active Java version run in terminal:
java -version
javac -version