1 vim /etc/my.cnf

1 skip-grant-tables   ##忽略mysql权限问题，直接登录

1 service mysqld start

 1 Starting MySQL. SUCCESS! 2 [root@web1 ~]# mysql3 Welcome to the MySQL monitor.  Commands end with ; or \g.4 Your MySQL connection id is 15 Server version: 5.6.34 Source distribution6 7 Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.8 9 Oracle is a registered trademark of Oracle Corporation and/or its
10 affiliates. Other names may be trademarks of their respective
11 owners.
12
13 Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
14
15 mysql> 

 1 [root@web1 ~]# ps -ef |grep mysql  ##显示mysql现有的进程2 root      56407      1  0 17:50 pts/0    00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/data/mysql --pid-file=/data/mysql/web1.pid3 mysql     56533  56407  0 17:50 pts/0    00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/data/mysql --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/data/mysql/web1.err --pid-file=/data/mysql/web1.pid4 root      56560   1737  0 17:55 pts/0    00:00:00 grep mysql5 [root@web1 ~]# killall mysqld  ##删除mysql现有进程6 [root@web1 ~]# ps -ef |grep mysql7 root      56566   1737  0 17:56 pts/0    00:00:00 grep mysql8 [root@web1 ~]# service mysqld start ##重新启动mysql服务9 Starting MySQL. SUCCESS!
10 [root@web1 ~]# mysql -uroot -p ##使用新密码登录
11 Enter password:
12 Welcome to the MySQL monitor.  Commands end with ; or \g.
13 Your MySQL connection id is 1
14 Server version: 5.6.34 Source distribution
15
16 Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
17
18 Oracle is a registered trademark of Oracle Corporation and/or its
19 affiliates. Other names may be trademarks of their respective
20 owners.
21
22 Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
23
24 mysql>