deepin安装mysql数据库

sudo apt-get install mysql-server 
sudo apt-get install mysql-client 
sudo apt-get install libmysqlclient-dev

sudo cat /etc/mysql/debian.cnf //查看默认用户名密码

debian.cnf 文件的内容：

Automatically generated for Debian scripts. DO NOT TOUCH! 
[client] 
host = localhost 
user = debian-sys-maint 
password = 2P8qKnlt45CuqHvL 
socket = /var/run/mysqld/mysqld.sock 
[ mysql_upgrade] 
host = localhost 
user = debian-sys-maint 
password = 2P8qKnlt45CuqHvL 
socket = /var/run/mysqld/mysqld.sock

使用默认用户名密码登陆并更新root账号密码：

mysql -u debian-sys-maint -p 
输入密码 
mysql> use mysql; 
mysql> select host,user,plugin,authentication_string from user;   
mysql> update user set plugin="mysql_native_password",authentication_string=password('新密码') where user="root"; 
mysql> FLUSH PRIVILEGES;

使用root登陆：

mysql -u root -p 
输入新密码
mysql>