mysql安装在虚拟机中

只能本地访问，设置随意访问

# update user set host='%' where host='localhost'；

# flush privileges;

随意访问，设置只能本地访问

# update user set host = "localhost" where user = "hello" and host= "%";

# flush privileges;

设置固定的ip可以访问

# GRANT ALL PRIVILEGES ON *.* TO 'mysql'@'123.123.123.123' IDENTIFIED BY 'mysql_password' WITH GRANT OPTION;

# flush privileges;

yum方式安装的mysql

 

1、yum remove mysql mysql-server mysql-libs compat-mysql51

2、rm -rf /var/lib/mysql

3、rm /etc/my.cnf

 

查看是否还有mysql软件：

rpm -qa|grep mysql

如果存在的话，继续删除即可。

 

rpm方式安装的mysql

 

 

a）查看系统中是否以rpm包安装的mysql：

 

[root@localhost opt]# rpm -qa | grep -i mysql

MySQL-server-5.6.17-1.el6.i686

MySQL-client-5.6.17-1.el6.i686

 

b)卸载mysql

[root@localhost local]# rpm -e MySQL-server-5.6.17-1.el6.i686

[root@localhost local]# rpm -e MySQL-client-5.6.17-1.el6.i686

c)删除mysql服务

[root@localhost local]# chkconfig --list | grep -i mysql

[root@localhost local]# chkconfig --del mysql

d)删除分散mysql文件夹

[root@localhost local]# whereis mysql 或者 find / -name mysql

 

mysql: /usr/lib/mysql /usr/share/mysql

清空相关mysql的所有目录以及文件

rm -rf /usr/lib/mysql

rm -rf /usr/share/mysql

rm -rf /usr/my.cnf

 

通过以上几步，mysql应该已经完全卸载干净了