彻底卸载mysql:
卸载mysql安装包
yum remove mysql mysql-server mysql-libs compat-mysql51yum remove mysql-community-releaserpm -e --nodeps mysql-community-libs-5.7.22-1.el7.x86_64rpm -e –nodeps mysql57-community-release-el7-11.noarch
删除残留的mysql目录或文件:
查询mysql安装目录
whereis mysql
find / -name mysql
删除查询出的目录:
rm -rf /usr/lib64/mysqlrm -rf /usr/share/mysqlrm -rf /usr/bin/mysqlrm -rf /etc/logrotate.d/mysqlrm -rf /var/lib/mysqlrm -rf /var/lib/mysql/mysql
删除mysql 配置文件
rm –rf /usr/my.cnfrm -rf /root/.mysql_sercret
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