ssh到跳板机然后用 mysql 连接
利用ssh开启一个隧道
我这里的MySQL服务器是192.168.41.83, 我要在192.168.41.72连接
首先在192.168.41.72执行命令开启隧道
[root@mysql-test-72 ~]# ssh -NPf -o StrictHostKeyChecking=no root@192.168.41.83 -L 3305:127.0.0.1:3306
root@192.168.41.83's password:
[root@mysql-test-72 ~]#
-f: 完成连接后转入后台运行
-N: 不执行远程命令
-o StrictHostKeyChecking=no: 不提示是否要选择yes
3305: 本地端口
127.0.0.1:3306: 远程机器端口
检查端口状态
[root@mysql-test-72 ~]# netstat -ntlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 192.168.41.72:9991 0.0.0.0:* LISTEN 20409/mmm_agentd-te
tcp 0 0 127.0.0.1:3305 0.0.0.0:* LISTEN 28339/ssh
...
发现已经开启3305端口，尝试连接
[root@mysql-test-72 ~]# mysql -umytest -p -P3305 -h127.0.0.1
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 698103
Server version: 5.7.21-log MySQL Community Server (GPL)
Copyright (c) 2000, , 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 variables like 'hostname';
+---------------+---------------+
| Variable_name | Value |
+---------------+---------------+
| hostname | mysql-test-83 |
+---------------+---------------+
1 row in set (0.01 sec)
连接成功
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