Installing JDK 8

Procedure

1. Use PuTTY to log in to the server as the root user.
2. Go to the installation directory.

   cd /path/to/JDK8

3. Decompress the package.

   tar -zxvf jdk-8u341-linux-aarch64.tar.gz

4. Set the environment variables.

   vim ~/.bashrc

   Add the following content to the end of the .bashrc file:

   #set java environment
   JAVA_HOME=/path/to/JDK8/jdk1.8.0_341/
   JRE_HOME=/path/to/JDK8/jdk1.8.0_341/jre
   CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
   PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH
   export JAVA_HOME JRE_HOME CLASS_PATH PATH

   Make the environment variables take effect.

   source ~/.bashrc

5. Perform the verification.

   java -version