[CentOS7] 리눅스환경변수

1. 환경변수 : barshrc설정 (root계정으로 작업)

1. 적용

   root$ vi /etc/bashrc 
   ------------------------------------------------
   export SPRING_PROFILES_ACTIVE=prod
   export JAVA_HOME=/u00/java/jdk1.8.0_261/
   export JRE_HOME=/u00/java/jdk1.8.0_261/jre

2. source /etc/bashrc