feat: add CUPS watchdog timers
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34
README.md
34
README.md
@@ -11,6 +11,7 @@
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- 虚拟 PDF 打印机(测试连接用)
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- 多种打印机驱动可选
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- 驱动管理器(默认仅允许内网访问)
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- 网络和打印服务守护(断网自动切 DHCP,CUPS 卡死自动恢复)
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- 支持一键卸载
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## 快速安装
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@@ -76,6 +77,34 @@ chmod +x setup_cups.sh
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| Avahi | 5353 | mDNS/AirPrint 自动发现 |
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| 驱动管理器 | 632 | 内网上传安装打印机驱动(可选) |
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## 自动守护
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安装脚本会自动启用两个 systemd timer:
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| 守护 | 作用 |
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|------|------|
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| `cups-network-watchdog.timer` | 每分钟检测网络,连续失败后自动把网卡切回 DHCP |
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| `cups-print-watchdog.timer` | 每分钟检测 CUPS/Avahi/驱动管理器,卡死或异常后自动重启 |
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配置文件:
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```bash
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# 网络守护配置,可在里面设置固定 IP、网关、DNS
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nano /etc/cups-watchdog/network-watchdog.conf
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# 手动切回配置里的固定 IP
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/opt/cups-watchdog/network-watchdog.sh static
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# 手动切 DHCP
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/opt/cups-watchdog/network-watchdog.sh dhcp
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# 打印服务守护配置
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nano /etc/cups-watchdog/print-watchdog.conf
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# 查看守护状态
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systemctl status cups-network-watchdog.timer cups-print-watchdog.timer
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```
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## 常用命令
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```bash
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@@ -88,6 +117,10 @@ systemctl restart cups
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# 查看 CUPS 日志
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tail -f /var/log/cups/error_log
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# 查看守护脚本日志
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tail -f /var/log/cups-watchdog/network.log
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tail -f /var/log/cups-watchdog/print.log
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# 检查 USB 打印机
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lsusb | grep -i print
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lpinfo -v | grep usb
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@@ -103,6 +136,7 @@ lpinfo -v | grep usb
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```
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├── setup_cups.sh # 一键安装/卸载脚本
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├── watchdog/ # 网络和打印服务守护脚本
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├── cups-templates-zh_CN/ # 中文界面模板(65个文件)
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├── README.md # 本文档
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└── 刷机教程.md # Armbian 刷机教程
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