1. Open JDK Package List 확인
설치하려는 OS의 Package repository에 설치 가능한 JDK 버전 확인. 본 문서에서는 RHEL 9.1 버전의 설치 media를 통해 local repository 구성 후 jdk 설치를 진행.
local repository 구성 방법은 아래 링크 참고 ↓ http://majuboki12.github.io/posts/how_to_config_RHEL_9_X_local_repository/
1
2
3
4
5
6
7
8
9
10
11
12
# dnf list | grep -i "java-"
java-1.8.0-openjdk.x86_64 1:1.8.0.345.b01-5.el9 RHEL9.1_LocalRepository-AppStream
java-1.8.0-openjdk-demo.x86_64 1:1.8.0.345.b01-5.el9 RHEL9.1_LocalRepository-AppStream
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.345.b01-5.el9 RHEL9.1_LocalRepository-AppStream
java-1.8.0-openjdk-headless.x86_64 1:1.8.0.345.b01-5.el9 RHEL9.1_LocalRepository-AppStream
java-1.8.0-openjdk-javadoc.noarch 1:1.8.0.345.b01-5.el9 RHEL9.1_LocalRepository-AppStream
java-1.8.0-openjdk-javadoc-zip.noarch 1:1.8.0.345.b01-5.el9 RHEL9.1_LocalRepository-AppStream
java-1.8.0-openjdk-src.x86_64 1:1.8.0.345.b01-5.el9 RHEL9.1_LocalRepository-AppStream
java-11-openjdk.x86_64 1:11.0.16.1.1-3.el9 RHEL9.1_LocalRepository-AppStream
. . .
해당 문서에서는 java-1.8.0-openjdk를 설치 함.
2. Open JDK 1.8 Installation
1
# dnf install -y java-1.8.0-openjdk*
3. Modify alternatives
alternatives list 확인
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
# alternatives --list
< Outpu Example >
libnssckbi.so.x86_64 auto /usr/lib64/pkcs11/p11-kit-trust.so
soelim auto /usr/bin/soelim.groff
iptables auto /usr/sbin/iptables-nft
ebtables auto /usr/sbin/ebtables-nft
arptables auto /usr/sbin/arptables-nft
cifs-idmap-plugin auto /usr/lib64/cifs-utils/cifs_idmap_sss.so
man auto /usr/bin/man.man-db
java auto /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/jre/bin/java
jre_openjdk auto /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/jre
jre_1.8.0 auto /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/jre
jre_1.8.0_openjdk auto /usr/lib/jvm/jre-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64
javac auto /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/bin/javac
java_sdk_openjdk auto /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64
java_sdk_1.8.0 auto /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64
java_sdk_1.8.0_openjdk auto /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64
javadocdir auto /usr/share/javadoc/java-1.8.0-openjdk-1.8.0.345.b01-5.el9/api
javadoczip auto /usr/share/javadoc/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.zi
불필요한 alternatives(symbolic) list를 제거
1
2
3
4
5
6
7
8
9
10
# alternatives --remove java_sdk_openjdk /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/jre
# alternatives --remove jre_openjdk /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/jre
# alternatives --remove jre_1.8.0 /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/jre
# alternatives --remove jre_1.8.0_openjdk /usr/lib/jvm/jre-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64
# alternatives --remove javac /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/bin/javac
# alternatives --remove java_sdk_openjdk /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64
# alternatives --remove java_sdk_1.8.0 /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64
# alternatives --remove java_sdk_1.8.0_openjdk /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64
# alternatives --remove javadocdir /usr/share/javadoc/java-1.8.0-openjdk-1.8.0.345.b01-5.el9/api
# alternatives --remove javadoczip /usr/share/javadoc/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.zip
불필요한 list들이 제거되었는지 확인
1
2
3
4
5
6
7
8
9
# alternatives --list
libnssckbi.so.x86_64 auto /usr/lib64/pkcs11/p11-kit-trust.so
soelim auto /usr/bin/soelim.groff
iptables auto /usr/sbin/iptables-nft
ebtables auto /usr/sbin/ebtables-nft
arptables auto /usr/sbin/arptables-nft
cifs-idmap-plugin auto /usr/lib64/cifs-utils/cifs_idmap_sss.so
man auto /usr/bin/man.man-db
java manual /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/jre/bin/java
3. JDK 설치 확인
Symbolic 확인
1
2
3
4
5
6
7
# alternatives --config java
There is 1 program that provides 'java'.
Selection Command
-----------------------------------------------
*+ 1 java-1.8.0-openjdk.x86_64 (/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.345.b01-5.el9.x86_64/jre/bin/java)
Java Verison 확인
1
2
3
4
# java -version
openjdk version "1.8.0_345"
OpenJDK Runtime Environment (build 1.8.0_345-b01)
OpenJDK 64-Bit Server VM (build 25.345-b01, mixed mode)