修改MySQL密码

修改配置：vim /etc/my.cnf
[mysqld]
basedir=/home/mysql
datadir=/home/mysql/dataport = 3306
user = mysql
character_set_server=utf8skip-grant-tables[client]
default-character-set=utf8service mysqld start
Starting MySQL. [ OK ]
[root@izm5e5xf4ylewnqwanhz1mz bin]# mysql -uroot -p mysql
Enter password:
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -AWelcome to the MariaDB monitor. Commands end with ; or g.
Your MySQL connection id is 3
Server version: 5.7.18 MySQL Community Server (GPL)Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.Type ‘help;’ or ‘h’ for help. Type ‘c’ to clear the current input statement.MySQL [mysql]>
MySQL [mysql]>
MySQL [mysql]>
MySQL [mysql]> show databases;
+——————–+
| Database |
+——————–+
| information_schema |
| mysql |
| performance_schema |
| sys |
+——————–+
4 rows in set (0.01 sec)MySQL [m开发云主机域名ysql]> update user set password=password(“mysql”) where user=’root’;
ERROR 1054 (42S22): Unknown column ‘password’ in ‘field list’
MySQL [mysql]> update mysql.user set authentication_string=password(‘root’) where user=’root’ ;
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 1

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安装步骤：1）解压 tar.gz文件2）初始化默认数据库（mysql、performace_schema、sys、information_schema）在/home/bes/jinuo/mysql 目录下的结构如下：拷贝 support-files 目录到你想…