1 创建RDS数据库

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连接

2 EC2连接Mysql

$ sudo yum list mariadb*
Installed Packages
mariadb-connector-c.x86_64                                                 3.1.13-1.amzn2023.0.3                                     @amazonlinux
mariadb-connector-c-config.noarch                                          3.1.13-1.amzn2023.0.3                                     @amazonlinux
mariadb105.x86_64                                                          3:10.5.23-1.amzn2023.0.1                                  @amazonlinux
mariadb105-backup.x86_64                                                   3:10.5.23-1.amzn2023.0.1                                  @amazonlinux
mariadb105-common.x86_64                                                   3:10.5.23-1.amzn2023.0.1                                  @amazonlinux
mariadb105-cracklib-password-check.x86_64                                  3:10.5.23-1.amzn2023.0.1                                  @amazonlinux
mariadb105-errmsg.x86_64                                                   3:10.5.23-1.amzn2023.0.1                                  @amazonlinux
mariadb105-gssapi-server.x86_64                                            3:10.5.23-1.amzn2023.0.1                                  @amazonlinux
mariadb105-server.x86_64                                                   3:10.5.23-1.amzn2023.0.1                                  @amazonlinux
mariadb105-server-utils.x86_64                                             3:10.5.23-1.amzn2023.0.1                                  @amazonlinux
Available Packages
mariadb-connector-c-devel.x86_64                                           3.1.13-1.amzn2023.0.3                                     amazonlinux
mariadb-connector-c-test.x86_64                                            3.1.13-1.amzn2023.0.3                                     amazonlinux
mariadb105-connect-engine.x86_64                                           3:10.5.23-1.amzn2023.0.1                                  amazonlinux
mariadb105-devel.x86_64                                                    3:10.5.23-1.amzn2023.0.1                                  amazonlinux
mariadb105-oqgraph-engine.x86_64                                           3:10.5.23-1.amzn2023.0.1                                  amazonlinux
mariadb105-pam.x86_64                                                      3:10.5.23-1.amzn2023.0.1                                  amazonlinux
mariadb105-rocksdb-engine.x86_64                                           3:10.5.23-1.amzn2023.0.1                                  amazonlinux
mariadb105-sphinx-engine.x86_64                                            3:10.5.23-1.amzn2023.0.1                                  amazonlinux
mariadb105-test.x86_64                                                     3:10.5.23-1.amzn2023.0.1                                  amazonlinux# sudo yum install -y mariadb105-server.x86_64# mysql -h database1.xxxxxxxxx.us-east-2.rds.amazonaws.com -uadmin -p12345678
> show databases;
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MySQL connection id is 26
Server version: 8.0.35 Source distributionCopyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.MySQL [(none)]> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
| test               |
+--------------------+
5 rows in set (0.001 sec)

注意：如果多次创建连接同一个EC2实例，每次EC2实例会创建一个安全组，EC2的安全组只能有五个，超过五个就连接不上了。