Launchd cheatsheet

Launchd

launchd.info

LaunchDaemons - 启动时运行

  • 脚本位置
    • /System/Library/LaunchDaemons/ 系统专用
    • /Library/LaunchDaemons/
  • 脚本权限
    • 必须是root/wheel 644

LaunchAgents - 登录时运行

  • 脚本位置
    • /System/Library/LaunchAgents/ 系统专用
    • /Library/LaunchAgents/ 所有用户
    • ~/Library/LaunchAgents/ 当前用户
  • 脚本权限
    • 同上，用户目录不需要root

launchctl

load，unload，remove

plist格式

  • 启动时运行
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>Label</key>
        <string>com.my.auto_switch_kb</string>
        <key>LimitLoadToSessionType</key>
        <string>Aqua</string>
        <key>ProgramArguments</key>
        <array>
            <string>/usr/local/bin/python</string>
            <string>/usr/local/bin/auto_switch_kb.py</string>
        </array>
        <key>RunAtLoad</key>
        <true/>
        <key>StandardErrorPath</key>
        <string>/tmp/auto_switch_kb.error</string>
        <key>StandardOutPath</key>
        <string>/tmp/auto_switch_kb.log</string>
    </dict>
</plist>
  • 定时运行
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<key>StartInterval</key>
<integer>60</integer>
  • 指定时间运行
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<key>StartCalendarInterval</key>
    <dict>
        <key>Minute</key>
        <integer>45</integer>
        <key>Hour</key>
        <integer>13</integer>
        <key>Day</key>
        <integer>7</integer>
    </dict>