linux系统下mysql跳过密码验证登录

修改MySQL的登录设置： # vi /etc/my.cnf 在[mysqld]的段中加上一句：skip-grant-tables 例如： [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock skip-name-resolve skip-grant-tables 保存并且退出vi。 3．重新启动mysqld # /etc/init.d/mysqld restart Stopping MySQL: [ OK ] Starting MySQL: [ OK ] 4．登录并修改MySQL的root密码 # /usr/bin/mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 to server version: 3.23.56 Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the buffer. mysql> USE mysql ; Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed mysql> UPDATE user SET Password = password ( ‘new-password’ ) WHERE User = ‘root’ ; Query OK, 0 rows affected (0.00 sec) Rows matched: 2 Changed: 0 Warnings: 0 mysql> flush privileges ; Query OK, 0 rows affected (0.01 sec) mysql> quit Bye 5．将MySQL的登录设置修改回来 # vi /etc/my.cnf 将刚才在[mysqld]的段中加上的skip-grant-tables删除 保存并且退出vi。 6．重新启动mysqld # /etc/init.d/mysqld restart Stopping MySQL: [ OK ] Starting MySQL: [ OK ]