1.先检测java版本
使用java -version
命令:
# java -version
openjdk version "1.8.0_252"
OpenJDK Runtime Environment (build 1.8.0_252-b09)
OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode)
2.查询现有已安装的openjdk模块
使用rpm -qa | grep java
命令:
# rpm -qa | grep java
python-javapackages-3.4.1-11.el7.noarch
tzdata-java-2020a-1.el7.noarch
javapackages-tools-3.4.1-11.el7.noarch
java-1.8.0-openjdk-headless-1.8.0.252.b09-2.el7_8.x86_64
java-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64
3.删除对应模块
yum -y remove python-javapackages
yum -y remove tzdata-java
4.删除后验证
rpm -qa | grep java
没有返回,即删除成功~
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