【MySQL】Centos7 yum安装MySQL5.7.25

[root@bogon ~]# wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

[root@bogon ~]# yum -y install mysql57-community-release-el7-10.noarch.rpm

[root@bogon ~]# yum -y install mysql-community-server

[root@bogon ~]#  systemctl start  mysqld.service

Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details.

[root@bogon run]# rm -rf /var/lib/mysql

[root@bogon run]# service mysqld restart

[root@bogon run]# mysql -uroot -p

ERROR 1045 (28000): Access denied for user ‘root‘@‘localhost‘ (using password: YES)

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

mysql> UPDATE user SET authentication_string=PASSWORD("123456") WHERE user=‘root‘;

Query OK, 1 row affected, 1 warning (0.01 sec)
Rows matched: 1 Changed: 1 Warnings: 1