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

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

@@ -18,17 +18,20 @@ Maria:
   sudo systemctl enable ssh && sudo systemctl restart ssh && sudo systemctl status ssh
 ```
 
-接着，生成 SSH 密钥。进入 CatTomServer3-1 的终端，然后执行:
+接着，生成并配置 SSH 密钥。进入 CatTomServer3-1 的终端，然后执行:
 
 ```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]
 ```
 
 最后，修改 `/etc/ssh/sshd_config`:
 
-- Port 22 → Port 25800
+- Port 22 → **Port 25800**
-- PermitRootLogin prohibit-password (取消该行注释)
+- PermitRootLogin **prohibit-password** (取消该行注释)
-- PasswordAuthentication yes → PasswordAuthentication no
+- PasswordAuthentication yes → PasswordAuthentication **no**
+- (可选) PubkeyAuthentication **yes**
 
 重启 SSH 服务以刷新配置: `sudo systemctl restart ssh`
 
@@ -36,14 +39,14 @@ Maria:
 
 ```bash
   cd /root || exit
-  wget -c https://cattom.oss-cn-shenzhen.aliyuncs.com/"${SERVER}"/backup/[file_name].tar.gz
+  wget -c https://cattom.oss-cn-shenzhen.aliyuncs.com/[server_name]/backup/[file_name].tar.gz
   tar -zxvf [file_name].tar.gz
   sudo rm [file_name].tar.gz
 ```
 
 ## 安装业务程序 (按需安装)
 
-Traefik:
+### Traefik
 
 请到 [Releases - traefik/traefik](https://github.com/traefik/traefik/releases/latest) 检查最新版本。
 
@@ -56,13 +59,14 @@ Traefik:
   wget -c [link]
   tar -zxvf [file_name] && rm [file_name] LICENSE.md CHANGELOG.md && mv traefik /usr/local/bin/traefik
 
-  ln -s /root/maria/config/traefik/static.yaml /root/traefik/static.yaml && ln -s /root/maria/config/${SERVER}/traefik.yaml /root/traefik/dynamic.yaml
+  ln -s /root/maria/config/traefik/static.yaml /root/traefik/static.yaml
+  ln -s /root/maria/config/${SERVER}/traefik.yaml /root/traefik/dynamic.yaml
   
   ln -s /root/maria/config/systemd/traefik.service /etc/systemd/system/traefik.service && sudo systemctl daemon-reload
   sudo systemctl enable traefik.service && sudo systemctl restart traefik.service
 ```
 
-阿里云 CLI:
+### 阿里云 CLI
 
 **注意: 请到 [RAM 访问控制](https://ram.console.aliyun.com/) 按照业务需求生成 AccessKey.**
 
@@ -74,7 +78,7 @@ Traefik:
   aliyun configure set --profile profile1 --mode AK --access-key-id [AccessKeyID] --access-key-secret [AccessKeySecret] --region "cn-shenzhen"
 ```
 
-阿里云 CLI 现已集成阿里云 ossutil，示例:
+阿里云 CLI 现已集成 ossutil，示例:
 
 ```bash
   # Example 1
@@ -83,24 +87,38 @@ Traefik:
   aliyun ossutil sync /root/blog/site oss://cattom-blog --force --update --delete --region cn-hongkong
 ```
 
-Flexget:
+### Flexget
+
+安装 Flexget: 
 
 ```bash
-  # 安装 Flexget
   cd /root || exit
   sudo apt -y install python3 python3-full python3-pip python3.12-venv
   python3 -m venv /root/flexget/
-  /root/flexget/bin/pip install --upgrade pip setuptools && /root/flexget/bin/pip install flexget
+  /root/flexget/bin/pip install --upgrade pip setuptools 
+  /root/flexget/bin/pip install flexget
+```
 
-  # 测试配置并启动后台进程
+测试配置并启动后台进程: 
+
+```bash
   sudo ln -s /root/maria/config/flexget/config.yml /root/flexget/config.yml
   /root/flexget/bin/flexget -c /root/flexget/config.yml --test execute
   /root/flexget/bin/flexget -c /root/flexget/config.yml daemon start -d --autoreload-config
+```
 
-  # 设置开机自启动
+设置开机自启动: 
-  (crontab -u $(whoami) -l echo "@reboot /root/flexget/bin/flexget -c /root/flexget/config.yml daemon start -d --autoreload-config") | crontab -u $(whoami) -
 
-  # 配置 alias
+```bash
+  (
+    crontab -u $(whoami) -l
+    echo "@reboot /root/flexget/bin/flexget -c /root/flexget/config.yml daemon start -d --autoreload-config"
+  ) | crontab -u $(whoami) -
+```
+
+配置 alias: 
+
+```bash
   echo 'alias flexget="/root/flexget/bin/flexget -c /root/flexget/config.yml"' >> /root/.bashrc
 ```
 
@@ -112,7 +130,7 @@ Flexget:
 
     所有在 Docker Compose 文件中没有定义特定监听地址的端口都不需要在 UFW 中放行。
 
-Maria 端口开放表:
+Maria 非标端口开放表:
 
 | 服务器 | 端口  | 来源IP/IP段 | 目标IP/IP段 | 协议  |     备注      |
 | :----: | :---: | :---------: | :---------: | :---: | :-----------: |
@@ -176,7 +194,10 @@ Maria 端口开放表:
 ## 配置自动备份 (可选)
 
 ```bash
-(crontab -u $(whoami) -l echo "0 6 * * * /root/maria/script/backup.sh") | crontab -u $(whoami) -
+(
+  crontab -u $(whoami) -l
+  echo "0 6 * * * /root/maria/script/backup.sh"
+) | crontab -u $(whoami) -
 ```
 
 ## 进入 Docker 容器的终端