java설치(오라클, jdk8) - Ubuntu 20.04

Oracle에서 jdk-8u351-linux-x64.tar.gz 다운로드(오라클 로그인)하고 서버로 업로드한다.

tar zxvf jdk-8u351-linux-x64.tar.gz
sudo mkdir /usr/local/java
sudo mv ./jdk1.8.0_351/* /usr/local/java/
rm -rf ./jdk*
sudo vi /etc/profile
  JAVA_HOME=/usr/local/java
  JRE_HOME=$JAVA_HOME/jre
  PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
  export JAVA_HOME
  export JRE_HOME
  export PATH
source /etc/profile
java -version
javac -version