安装mysql没有提示设置密码_18.04安装mysql没有提示输入密码

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MySQL 5.7不再弹出root密码设置

sudo vi /etc/mysql/debian.cnf

显示：

# Automatically generated for Debian scripts. DO NOT TOUCH!

[client]

host = localhost

user = debian-sys-maint

password = fPw**********22

socket = /var/run/mysqld/mysqld.sock

[mysql_upgrade]

host = localhost

user = debian-sys-maint

password =fPw**********22

socket = /var/run/mysqld/mysqld.sock

找到了，用户名：debian-sys-maint，密码：fPw**********22(这是随机生成的)

退出来，Esc键，输入“：q!”

mysql -u debian-sys-maint -p

Enter password:输入刚才找到的密码

接下来，设置root用户密码(假设为123456)

mysql> update mysql.user set authentication_string=PASSWORD(“123456″) where User=’root’;

更改root密码，然后出现

Query OK, 1 row affected, 1 warning (0.12 sec)

Rows matched: 1 Changed: 1 Warnings: 1

mysql> update mysql.user set plugin=”mysql_native_password”;

解决出现警告的问题，然后出现

Query OK, 1 row affected (0.02 sec)

Rows matched: 4 Changed: 1 Warnings: 0

mysql> flush privileges;

更新所有权限，然后出现

Query OK, 0 rows affected (0.33 sec)

mysql> quit;

退出来，先关闭再启动MySQL

sudo /etc/init.d/mysql stop

sudo /etc/init.d/mysql start

用root用户和密码进去看看

mysql -u root -p