Server Infra
Linux Jdk 설치
쪽보다푸른
2020. 12. 15. 15:41
1. 설치 가능 확인
$ yum list java*jdk-devel
2. JDK 설치
$ yum install java-1.8.0-openjdk-devel.x86_64
3. Java 설치 경로 확인
$ which java
/usr/bin/java
4. 설치 확인
$ java -version
openjdk version "1.8.0_272"
OpenJDK Runtime Environment (build 1.8.0_272-b10)
OpenJDK 64-Bit Server VM (build 25.272-b10, mixed mode)
$ rpm -qa java*jdk-devel
java-1.8.0-openjdk-devel-1.8.0.272.b10-1.el7_9.x86_64
5. JAVA_HOME 설정 확인
$ echo $JAVA_HOME
6. JAVA 경로 검색
$ which javac
> /usr/bin/javac
$ readlink -f /usr/bin/javac
> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-1.el7_9.x86_64/bin/javac
7. JAVA_HOME 설정
$ vi /etc/profile
추가 : export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-1.el7_9.x86_64
* ssh 재접속 후 JAVA_HOME 확인
8. JAVA 변경
| $update-alternatives --config java $update-alternatives --config javac |