Centos7.5 刚安装的mariadb数据库报错
报错:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
原因一:没有启动数据库
解决方法: systemctl start mariadb systemctl enable mariadb
原因二:未知
解决方法: [root@db01 ~]# vim /etc/my.cnf [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock skip-grant-tables #在配置文件中加入这一条 [root@db01 ~]# systemctl restart mariadb #重启数据库 [root@db01 ~]# mysql #登录成功 Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 2 Server version: 5.5.60-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]>