Jdk 8 Install on AWS EC2

1. Version 확인

java -version

 - 결과값

java version "1.7.0_95"

2. Jdk 8 download & setup

wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u73-b02/jdk-8u73-linux-x64.tar.gz"

tar xvzf ./jdk-8u73-linux-x64.tar.gz

rm -rf ./jdk-8u73-linux-x64.tar.gz

- 불필요(?) 파일 삭제(꼭 할 필요는 없음)

ln -s ./jdk1.8.0_73/ ./java

3. 환경변수 설정

vi ~/.bash_profile

JAVA_HOME=$HOME/java

PATH=$PATH:$JAVA_HOME/bin

export JAVA_HOME PATH

( 편집기 저장은 :wq )

source ~/.bash_profile

4. Version 확인

java -version

 - 결과값

java version "1.8.0_73"

5. 기존 설치된 java mv로 옮김

mv /usr/bin/java /usr/bin/java-old

기존 openjdk 는 unlink 처리함!

unlink /usr/bin/java