edit Commands-for-Server-Operation-and-Maintenance

docs/tech/Commands-for-Server-Operation-and-Maintenance.md

@@ -23,7 +23,7 @@ Maria:
 ```bash
   ssh-keygen -m PEM -t rsa -b 4096 -C "[username]@[server_ip]" -f ~/.ssh/[server_name]
 
-  ssh-copy-id -i /home/cattom/.ssh/[server_name].pub root@[server_ip]
+  ssh-copy-id -p 25800 -i /home/cattom/.ssh/[server_name].pub root@[server_ip]
 ```
 
 最后，修改 `/etc/ssh/sshd_config`:
@@ -208,6 +208,22 @@ Maria 非标端口开放表:
   sudo docker exec -it [container_name] /bin/sh
 ```
 
+## 配置 SSH Action
+
+### GitHub Actions
+
+[cattomgithub/maria - Settings - Secrets - Actions](https://github.com/cattomgithub/maria/settings/secrets/actions)
+
+- SSH_HOSTS: foo,bar
+
+服务器需配置 GitHub Actions Key，进入 CatTomServer3-1 的终端，执行:
+
+```bash
+  ssh-copy-id -f -p 25800 -i /home/cattom/.ssh/maria-github-actions-key.pub [server_id]
+```
+
+[Ref: 用于 GitHub Actions 的 SSH](https://github.com/appleboy/ssh-action/blob/master/README.zh-cn.md)
+
 ## NFS 配置
 
 ```bash