java(jdk) 설치 및 java 환경 설정

java(jdk) 설치 및 java 환경 설정

테스트 환경

$ cat /etc/redhat-release 
CentOS Linux release 7.8.2003 (Core)

$ getconf LONG_BIT
64

 

java downloads(java archive)

- Java SE 17 Archive Downloads

java(jdk) 설치

java 파일 다운로드

wget https://download.oracle.com/java/17/archive/jdk-17.0.6_linux-x64_bin.tar.gz -O /tmp/jdk-17.0.6_linux-x64_bin.tar.gz

java 압축 풀기

tar xfz /tmp/jdk-17.0.6_linux-x64_bin.tar.gz -C /usr/local/

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java 심볼릭 링크 생성

ln -s /usr/local/jdk-17.0.6 /usr/local/java

$ ls -l /usr/local/java
lrwxrwxrwx 1 root root 21  2월  7 14:52 /usr/local/java -> /usr/local/jdk-17.0.6

환경 변수(/etc/profile) 설정

vim /etc/profile

export JAVA_HOME=/usr/local/java
export PATH=$PATH:$JAVA_HOME/bin

source /etc/profile

java 버전 정보 확인

java --version

$ java --version
java 17.0.6 2023-01-17 LTS
Java(TM) SE Runtime Environment (build 17.0.6+9-LTS-190)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.6+9-LTS-190, mixed mode, sharing)

 

참고URL

- java downloads : https://www.oracle.com/java/technologies/downloads/archive/