centos7 卸载openJdk，并安装JDK1.8
- 2019 年 10 月 6 日
- 笔记
centos7 卸载openJdk，并安装JDK1.8
- 查看jdk版本
[root@localhost ~]# java -version openjdk version "1.8.0_131" OpenJDK Runtime Environment (build 1.8.0_131-b12) OpenJDK 64-Bit Server VM (build 25.131-b12, mixed mode)
- 查询安装的包
[root@localhost ~]# rpm -qa|grep jdk java-1.7.0-openjdk-1.7.0.141-2.6.10.5.el7.x86_64 copy-jdk-configs-2.2-3.el7.noarch java-1.8.0-openjdk-headless-1.8.0.131-11.b12.el7.x86_64 java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64 java-1.7.0-openjdk-headless-1.7.0.141-2.6.10.5.el7.x86_64
- 删除openJDK版本
[root@localhost ~]# rpm -e --nodeps java-1.7.0-openjdk-1.7.0.141-2.6.10.5.el7.x86_64 java-1.8.0-openjdk-headless-1.8.0.131-11.b12.el7.x86_64 java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64 java-1.7.0-openjdk-headless-1.7.0.141-2.6.10.5.el7.x86_64
- 下载JDK1.8安装包并安装
- 下载Linux rpm安装包 JDK下载地址
[root@localhost 下载]# rpm -ivh jdk-8u162-linux-x64.rpm 准备中... ################################# [100%] 正在升级/安装... 1:jdk1.8-2000:1.8.0_162-fcs ################################# [100%] Unpacking JAR files... tools.jar... plugin.jar... javaws.jar... deploy.jar... rt.jar... jsse.jar... charsets.jar... localedata.jar...
- 查看安装后的JDK版本
[root@localhost ~]# java -version java version "1.8.0_162" Java(TM) SE Runtime Environment (build 1.8.0_162-b12) Java HotSpot(TM) 64-Bit Server VM (build 25.162-b12, mixed mode)
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