考虑到很多孩子不会Linux或Mysql,所以我这里提示一下,

这篇教程里 "有多行代码" 的是给你展示结果的,不用你敲

只有一行的才是要你自己敲进去的.

 

1.首先更新一下仓库

sudo apt-get update

2.安装mysql

sudo apt-get install -y mysql-server mysql-client

3.检查mysql是否已运行

sudo netstat -tap | grep mysql

有显示就是已运行

4.查询默认的用户名和密码

(提示:sudo命令会让你输入你的用户密码,就是你的开机密码,并且你输入的时候看不到自己输入的内容,不要以为电脑卡住了,输完回车就行)

sudo cat /etc/mysql/debian.cnf

显示出来的内容格式如下(我的密码,跟你不一样)

baiguo@baiguo-PC:~$ sudo cat /etc/mysql/debian.cnf

# Automatically generated for Debian scripts. DO NOT TOUCH!

[client]

host     = localhost

user     = debian-sys-maint

password = F64nKZ233QkzL8v9

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

[mysql_upgrade]

host     = localhost

user     = debian-sys-maint

password = F64nKZ233QkzL8v9

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

其中user代表的用户名,password代表的默认生成的密码

5.利用默认账号密码登录(-p后面是我的密码,你们要把自己的密码放在那里,并且-p跟密码之间无空格)

mysql -u debian-sys-maint -pF64nKZ233QkzL8v9

成功进入mysql,有如下显示:

baiguo@baiguo-PC:~$ mysql -u debian-sys-maint -pF64nKZ233QkzL8v9

mysql: [Warning] Using a password on the command line interface can be insecure.

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 3

Server version: 5.7.21-1 (Debian)

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

6.现在更改密码的设置.(原封不动复制过去,漏一个字你就完了),这是最重要的部分,很多教程都没有这个,所以才不管用

update mysql.user set plugin="mysql_native_password" where user="root";

成功后结果如下:

mysql> update mysql.user set plugin="mysql_native_password" where user="root";

Query OK, 1 row affected (0.00 sec)

Rows matched: 1  Changed: 1  Warnings: 0

mysql>

7.设置root的密码

update mysql.user set authentication_string=password('这里是你的密码') where user='root'and Host = 'localhost';

密码自己设置

8.退出数据库

exit

9.重新启动数据库

sudo service mysql restart

10.用自己设置好的密码登录

mysql -u root -p

输入密码,成功登录,如下.

baiguo@baiguo-PC:~$ mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 4

Server version: 5.7.21-1 (Debian)

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> 

nice!

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