MySQL 设置root密码报错：mysqladmin: connect to server at 'localhost' failed
1.安装完MySQL设置root密码报错如下
[root@vm172--- data]# mysqladmin -uroot password "linux@123"
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost' (using password: NO)'
2.停止MySQL服务
[root@vm172--- ~]# systemctl stop mysqld.service
3 安全模式启动
[root@vm172--- mysql]# mysqld_safe --skip-grant-tables &
[]
[root@vm172--- mysql]# :: mysqld_safe Logging to '/var/log/mysqld.log'.
:: mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
4 无密码root帐号登陆
[root@vm172--- mysql]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is
Server version: 5.6.-log MySQL Community Server (GPL) Copyright (c) , , Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> use mysql;
Database changed
5 手动update修改密码
mysql> update user set password=password("linux@123") where user='root' and host='localhost';
Query OK, row affected (0.00 sec)
Rows matched: Changed: Warnings:
mysql> flush privileges;
Query OK, rows affected (0.00 sec)
mysql> quit
Bye
重新使用密码登录
[root@vm172--- mysql]# mysql -uroot -plinux@
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is
Server version: 5.6.-log MySQL Community Server (GPL) Copyright (c) , , Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql>
6 正常重新启动
[root@vm172--- ~]# service mysqld start
#查看进程
[root@vm172--- ~]# ps -ef|grep mysql
root : pts/ :: tail -f -n /var/log/mysqld.log
mysql : ? :: /bin/sh /usr/bin/mysqld_safe --basedir=/usr
mysql : ? :: /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock
root : pts/ :: grep --color=auto mysql
#查看端口号
[root@vm172--- ~]# netstat -lntup|grep
tcp 0.0.0.0: 0.0.0.0:* LISTEN /mysqld
至此mysql密码修改完成。