382 lines
5.2 KiB
Markdown
382 lines
5.2 KiB
Markdown
# Pigway Pi Control v3.1.0 — Release
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适用于本套 Raspberry Pi 4B 散热扩展板的正式发布版。
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本包遵循一个原则：
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> **一个程序 + 一个用户配置文件 + 一个说明文档。**
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正常使用时，不需要修改源码。
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---
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## 1. 功能
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### OLED
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配套 OLED 按卖家原生参数锁定为：
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- SSD1306
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- 128×32
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- I²C `0x3C`
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- MUX `0x1F`
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- COM Pins `0x02`
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- Page `0..3`
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- 卖家同源 5×7 点阵字体
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- 4行：`0 / 8 / 16 / 24`
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主页：
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```text
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CPU 18.6% MEM 16.2%
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TMP 46.3C FAN OFF
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DSK 22.4% NET OK
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IP4 192.168.89.130
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```
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IPv6 地址时自动显示 `IP6`。
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主页左右两栏都是固定位置、左对齐。数据默认每秒刷新。
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有告警时，OLED 会在 HOME 与所有当前告警之间轮播；默认每页停留10秒。
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### 风扇
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默认：
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```text
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< 50°C OFF
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50~53°C L1
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53~56°C L2
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56~59°C L3
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59~62°C L4
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>= 62°C MAX
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```
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带降档回差，避免临界温度反复升降档。
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### RGB 告警
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正常状态 RGB 完全熄灭。
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颜色表示“什么对象出问题”：
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```text
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CPU 黄
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温度 红
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内存 紫
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磁盘 橙
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网络 蓝
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服务/进程 青
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```
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所有告警都使用闪烁；闪烁速度表示严重程度：
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```text
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Warning 慢
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Critical 中
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Emergency 快
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```
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亮度可配置，默认10%，适合暗环境。
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### Dark Mode
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默认关闭 Raspberry Pi 自身：
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- PWR LED
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- ACT LED
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散热板 D1/D8 黄色硬件状态灯和独立电源模块绿色灯不属于已确认的软件控制接口，本程序不操作。
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---
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## 2. 全新 Raspberry Pi OS 安装
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### 第一步：启用 I²C
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```bash
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sudo raspi-config
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```
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进入：
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```text
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Interface Options
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→ I2C
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→ Enable
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```
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然后：
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```bash
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sudo reboot
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```
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### 第二步：解压本安装包
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进入解压后的目录：
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```bash
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cd pigway-pi-control-v3.1.0
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```
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### 第三步：安装
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```bash
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sudo ./install.sh
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```
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安装器会：
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1. 检查 `/dev/i2c-1`
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2. 等待 APT/DPKG 锁
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3. 安装必要的小型系统依赖
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4. 检查 I²C 总线
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5. 自动停止并禁用卖家旧 `temp-control.service`
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6. 安装正式程序
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7. 安装用户配置
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8. 安装 systemd 服务并开机自启
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9. 执行安装后自检
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安装成功后查看：
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```bash
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systemctl status pigway-pi-control --no-pager -l
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```
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---
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## 3. 安装后的文件在哪里
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### 用户应该修改
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只有：
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```text
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/etc/pigway-pi-control.conf
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```
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编辑：
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```bash
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sudo nano /etc/pigway-pi-control.conf
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```
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保存后：
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```bash
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sudo systemctl restart pigway-pi-control
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```
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### 用户通常不要修改
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程序：
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```text
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/usr/local/sbin/pigway-pi-control
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```
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systemd：
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```text
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/etc/systemd/system/pigway-pi-control.service
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```
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这些由安装包维护。
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因此安装成功后，解压出来的 `pigway-pi-control-v3.1.0/` 文件夹可以删除。
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建议把 ZIP 保存到 Mac / NAS，供以后重装。
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---
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## 4. 用户可以自定义什么
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全部集中在：
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```text
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/etc/pigway-pi-control.conf
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```
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其中包括：
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- 数据采样周期
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- OLED刷新周期
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- 告警页面停留时间
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- 网络检查周期
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- 服务检查周期
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- 风扇温度曲线
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- 风扇降档回差
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- CPU告警阈值和持续时间
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- 内存告警阈值和持续时间
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- 温度普通/严重告警
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- 磁盘普通/严重告警
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- RGB亮度
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- Warning/Critical/Emergency 闪烁周期
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- Pi PWR/ACT灯
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- 要监控的systemd服务
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- 要监控的普通进程
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**每个参数在配置文件中都已经写有详细中文注释。**
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---
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## 5. 增加一个服务监控
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编辑：
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```bash
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sudo nano /etc/pigway-pi-control.conf
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```
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找到：
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```ini
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[services]
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SSH = ssh.service
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AWESUN = runawesun.service
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```
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例如安装了 Tailscale：
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```ini
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TAILSCALE = tailscaled.service
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```
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保存后：
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```bash
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sudo systemctl restart pigway-pi-control
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```
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先确认服务真实名称：
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```bash
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systemctl status tailscaled.service
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```
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暂时不想监控，行首加 `#`：
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```ini
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# TAILSCALE = tailscaled.service
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```
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---
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## 6. 监控没有 systemd service 的程序
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配置：
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```ini
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[processes]
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MYAPP = /opt/myapp/server
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```
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先测试：
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```bash
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pgrep -af '/opt/myapp/server'
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```
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能找到进程再加入监控。
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---
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## 7. 常用维护
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状态：
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```bash
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systemctl status pigway-pi-control --no-pager -l
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```
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日志：
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```bash
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journalctl -u pigway-pi-control -f
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```
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重启：
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```bash
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sudo systemctl restart pigway-pi-control
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```
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停止：
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```bash
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sudo systemctl stop pigway-pi-control
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```
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启动：
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```bash
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sudo systemctl start pigway-pi-control
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```
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查看配置：
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```bash
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cat /etc/pigway-pi-control.conf
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```
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---
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## 8. 升级
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新版安装包直接：
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```bash
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sudo ./install.sh
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```
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安装器会保留用户已有的 `[services]` 和 `[processes]` 监控列表，并备份旧配置。
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升级后检查：
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```bash
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systemctl status pigway-pi-control --no-pager -l
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```
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---
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## 9. 卸载
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在安装包目录执行：
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```bash
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sudo ./uninstall.sh
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```
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卸载程序默认保留：
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```text
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/etc/pigway-pi-control.conf
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```
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避免误删用户自定义配置。
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确认以后不再使用时可手工删除：
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```bash
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sudo rm /etc/pigway-pi-control.conf
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```
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---
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## 10. 重装树莓派时最短流程
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以后即使完全忘记之前怎么安装，只需要：
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```text
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1. 安装 Raspberry Pi OS
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2. raspi-config 开启 I²C
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3. 重启
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4. 解压本 ZIP
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5. cd pigway-pi-control-v3.1.0
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6. sudo ./install.sh
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```
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完成。
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