Where does CentOS set JAVA_HOME

• Where is the JAVA_HOME set up

  Some places to look first

• system wide

  /etc/environment : Specifically meant for environment variables

  /etc/env.d/* : environment variables, split in multiple files

  /etc/profile : all types of initialization scripts

  /etc/profile.d/* : initialization scripts

  /etc/bashrc, /etc/bash.bashrc : meant for functions and aliases

• User specific

  ~/.bash_profile : initialization for login (bash-) shells

  ~/.bashrc : initialization for all interacetive (bash-) shells

  ~/.profile : used for all shells

  ~/.cshrc, ~/.zshrc, ~/.tcshrc : similar for non-bash shells

• References

1. How to determine where an environment variable came from?