Install PyCharm and JDK on Ubuntu 12.04

• Download the sun jdk 8 tar file from here
• Extract the tar file:

  $ tar -xvzf jdk1.8.0_25.tar.gz

• Move extracted folder to this location:

  $ sudo mv jdk1.8.0_25 /usr/lib/jvm/

  • Install new java source in system: 

  $ sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8.0_25/bin/javac 1 

  $ sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8.0_25/bin/java 1 

  $ sudo update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.8.0_25/bin/javaws 1

  • Choose default java:

  $ sudo update-alternatives --config javac 

  $ sudo update-alternatives --config java 

  $ sudo update-alternatives --config javaws

  • java version test:

  $ java -version

  • Verify the symlinks all point to the new java location:

  $ ls -la /etc/alternatives/java*

  • Enable Java plugin for Mozilla Firefox (even for Chrome)

  #for 64-Bit jdk 

  $ sudo ln -s /usr/lib/jvm/jdk1.8.0_25/jre/\

  lib/amd64/libnpjp2.so /usr/lib/mozilla/plugins 

  #for 32-Bit jdk 

  $ sudo ln -s /usr/lib/jvm/jdk1.7.0_04/jre/\

  lib/i386/libnpjp2.so /usr/lib/mozilla/plugins

  • JAVA_HOME configuration:
  Some tools require JAVA_HOME variable. You can set JAVA_HOME in Ubuntu so simple: Edit the file .bashrc under your home directory and add the following lines: (if .bashrc is hidden click in Nautilus Menu View > Show Hidden Files)

  export JAVA_HOME=/path/your/jdk 

  export PATH=$JAVA_HOME/bin:$PATH
  
  Install pycharm on ubuntu 12.04:
  

  • Download pycharm-2.6.2.tar.gz from here

  $ tar -xvzf pycharm-2.6.2.tar.gz 

  $ cd /pycharm-2.6.2/bin/ 

  $ ./pycharm.sh &