1:查看MySQL是否安装:
方式1:
[root@localhost usr]# yum list installed mysql*
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.yun-idc.com
* extras: mirror.neu.edu.cn
* updates: mirrors.yun-idc.com
MySQL-client.x86_64 5.6.27-1.el6 installed
MySQL-devel.x86_64 5.6.27-1.el6 installed
MySQL-server.x86_64 5.6.27-1.el6 installed
方式2( -i :不区分大小写):
MySQL-server-5.6.27-1.el6.x86_64
MySQL-client-5.6.27-1.el6.x86_64
MySQL-devel-5.6.27-1.el6.x86_64
2:卸载MySQL:
卸载1:
如果装了mysql-devel(其他一样add command),卸载为:
[root@Tony_ts_tian init.d]
注(例如):
mysql-5.5.39-1.el6.remi.x86_64
mysql-libs-5.5.39-1.el6.remi.x86_64
compat-mysql51-5.1.54-1.el6.remi.x86_64
mysql-server-5.5.39-1.el6.remi.x86_64
卸载2{继续,1,2选择一种(此处为介绍):}:
MySQL-server-5.6.27-1.el6.x86_64
MySQL-client-5.6.27-1.el6.x86_64
MySQL-devel-5.6.27-1.el6.x86_64
注:删除MySQL数据库目录(关键) ,否则password不更新(默认安装,如果自定义安装路径和链接路径ln -s ……请删除。)
rm -rf /var/lib/mysql
卸载3:
注:find / -name mysql
注:清空相关mysql的所有目录以及文件和其他配置和设置等。如果有,则删除。也必须考虑其他软件不去影响。
rm -rf /usr/lib/mysql
rm -rf /usr/share/mysql
卸载4:
卸载5(自启服务):
原文地址
https://blog.csdn.net/typa01_kk/article/details/49057073