Ubuntu 22.04 LTS 安装MySQL-Server 8.0

# apt search mysql-server
# apt install mysql-server

重建服务

# service mysql stop
# vi  /etc/mysql/mysql.conf.d/mysqld.cnf
...
bind-address = 0.0.0.0
...
# service mysql start
# lsof -i:3306
COMMAND   PID  USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
mysqld  18386 mysql   23u  IPv4 239692      0t0  TCP *:mysql (LISTEN)

开发端口

# iptables -A INPUT -j ACCEPT

在阿里云上开发端口映射，并标注允许登录的主机IP(此处擦去）；

授权用户登录：

# mysql -u root
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 13
Server version: 8.0.34-0ubuntu0.22.04.1 (Ubuntu)

Copyright (c) 2000, 2023, Oracle and/or its affiliates.

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> create database book;
Query OK, 1 row affected (0.01 sec)

mysql> CREATE USER 'book'@'%' IDENTIFIED BY 'abcd1234';
Query OK, 0 rows affected (0.01 sec)

mysql> GRANT select,update,insert,delete ON book.* TO 'book'@'%' ;
Query OK, 0 rows affected (0.00 sec)

mysql> grant all privileges  on book.* to book@'%';
Query OK, 0 rows affected (0.00 sec)

这里密码仅做演示，可以设置复杂的密码。

另外一台开放IP的主机，安装MySQL客户端

# apt search mysql-client
# apt install mysql-client-8.0

远程登录MySQL服务器

#  mysql -h 172.16.0.1 -u book -P3306 -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 20
Server version: 8.0.34-0ubuntu0.22.04.1 (Ubuntu)

Copyright (c) 2000, 2023, Oracle and/or its affiliates.

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           |
+--------------------+
| book               |
| information_schema |
| performance_schema |
+--------------------+
3 rows in set (0.00 sec)

mysql>