系统版本
root@sishen:~# uname -a
Linux sishen 4.10.0-35-generic #39~16.04.1-Ubuntu SMP Wed Sep 13 09:02:42 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
以下是通过APT的安装方式
官方参考文档
https://dev.mysql.com/doc/mysql-apt-repo-quick-guide/en/
下载MySQL官方提供的deb包：
https://repo.mysql.com//mysql-apt-config_0.8.8-1_all.deb
在终端执行：
root@sishen:~# dpkg -i mysql-apt-config_0.8.8-1_all.deb ，回车之后会弹出如下窗口：
然后使用方向键选择OK，回车即可。
root@sishen:~# apt-get update
安装
root@sishen:~# apt-get install –y mysql-server
查看状态
root@sishen:~# service mysql status
● mysql.service - MySQL Community Server
Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: en
Active: active (running) since 一 2017-11-06 11:05:17 CST; 25s ago
Main PID: 46339 (mysqld)
CGroup: /system.slice/mysql.service
└─46339 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysql
11月 06 11:05:16 sishen systemd[1]: Starting MySQL Community Server...
11月 06 11:05:17 sishen systemd[1]: Started MySQL Community Server.
root@sishen:~# netstat -tap | grep mysql
tcp 0 0 localhost:mysql *:* LISTEN 47316/mysqld
使用root登录mysql,注意：我的root账户密码是123456，
root@sishen:~# mysql -uroot -p123456
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 6
Server version: 5.7.20 MySQL Community Server (GPL)
Copyright (c) 2000, 2017, 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> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.00 sec)
mysql> q
Bye
mysql的管理员密码文件存放位置
/etc/mysql/debian.cnf
如果是以普通用户登录mysql，则需要创建mysql的普通用户
创建普通用户时，密码要求太高了，简单的都不行，最后一条命令成功了。
mysql> create user 'sishen'@'%' identified by '123qwe';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql> create user 'sishen'@'%' identified by '12345Qwer';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql> create user 'sishen'@'%' identified by '123456';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
mysql> create user 'sishen'@'%' identified by 'SiShen@123';
Query OK, 0 rows affected (0.01 sec)
mysql> grant all privileges on *.* to 'sishen'@'%' identified by 'SiShen@123';
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
测试
root@sishen:~# mysql -usishen -pSiShen@123
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 4
Server version: 5.7.20 MySQL Community Server (GPL)
Copyright (c) 2000, 2017, 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> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.00 sec)
mysql> q
Bye
到此安装结束。