简介
官网：
https://github.com/Homebrew/homebrew-services
macOS使用launchctl命令加载开机自动运行的服务，brew service可以简化lauchctl的操作。
以MySQL为例，使用launchctl启动:
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| ln -sfv /usr/local/opt/mysql/*.plist ~/Library/LaunchAgents
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist
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如使用brew service可以简化为:
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| brew services start mysql
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常用命令
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| brew services list # 查看使用brew安装的服务列表
brew services run formula|--all # 启动服务（仅启动不注册）
brew services start formula|--all # 启动服务，并注册
brew services stop formula|--all # 停止服务，并取消注册
brew services restart formula|--all # 重启服务，并注册
brew services cleanup # 清除已卸载应用的无用的配置
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配置文件目录
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| /Library/LaunchDaemons # 开机自启，需要sudo
~/Library/LaunchAgents # 用户登录后自启
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以homebrew.mxcl.kafka.plist为例：
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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>homebrew.mxcl.kafka</string>
<key>WorkingDirectory</key>
<string>/usr/local</string>
<key>ProgramArguments</key>
<array>
<string>/usr/local/opt/kafka/bin/kafka-server-start</string>
<string>/usr/local/etc/kafka/server.properties</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>KeepAlive</key>
<true/>
<key>StandardErrorPath</key>
<string>/usr/local/var/log/kafka/kafka_output.log</string>
<key>StandardOutPath</key>
<string>/usr/local/var/log/kafka/kafka_output.log</string>
</dict>
</plist>
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在这里可以找到服务路径、启动参数、日志路径等