卸载centos自带的openjdk和MySQL

卸载openjdk

1.查看已经安装的jdk

rpm –qa|grep jdk

java-1.7.0-openjdk-1.7.0.141-2.6.10.5.el7.x86_64

java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64

java-1.8.0-openjdk-headless-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

ldap-4.19-1.el7.noarch

copy-jdk-configs-2.2-3.el7.noarch

2.卸载命令

yum -y remove java-1.7.0-openjdk-1.7.0.141-2.6.10.5.el7.x86_64

yum -y remove java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64

yum -y remove java-1.8.0-openjdk-headless-1.8.0.131-11.b12.el7.x86_64

yum -y remove java-1.7.0-openjdk-headless-1.7.0.141-2.6.10.5.el7.x86_64

.noarch文件不用

3.用Java –version查看

提示如下： No such file or directoy           

卸载完成

卸载mysql

执行命令yum remove mariadb-libs即可。