pm2

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  • pm2 是一个带有负载均衡功能的Node应用的进程管理器
  • 内建负载均衡（使用Node cluster 集群模块）
  • 后台运行
  • 0秒停机重载，热升级
  • 具有Ubuntu和CentOS 的启动脚本
  • 停止不稳定的进程（避免无限循环）
  • 控制台检测
  • 提供 HTTP API
  • 远程控制和实时的接口API ( Nodejs 模块,允许和PM2进程管理器交互 )
  • github
command explain
$ pm2 restart .pm2.yml –only ra 根据配置文件重启一个服务
$ npm install pm2 -g # Install PM2
$ pm2 start app.js # Start, Daemonize and auto restart application
$ pm2 start app.js -i 4 # Start 4 instances of application in cluster mode it will load balance network queries to each app
$ pm2 start app.js –name=”api” # Start application and name it “api”
$ pm2 start app.js –watch # Restart application on file change
$ pm2 start script.sh # Start bash script
$ pm2 list # List all processes started with PM2
$ pm2 monit # Display memory and cpu usage of each app
$ pm2 show [app-name] # Show all informations about application
$ pm2 logs # Display logs of all apps
$ pm2 logs [app-name] # Display logs for a specific app
$ pm2 flush
$ pm2 stop all # Stop all apps
$ pm2 stop 0 # Stop process with id 0
$ pm2 restart all # Restart all apps
$ pm2 reload all # Reload all apps in cluster mode
$ pm2 gracefulReload all # Graceful reload all apps in cluster mode
$ pm2 delete all # Kill and delete all apps
$ pm2 delete 0 # Delete app with id 0
$ pm2 scale api 10 # Scale app with name api to 10 instances
$ pm2 reset [app-name] # Reset number of restart for [app-name]
$ pm2 startup # Generate a startup script to respawn PM2 on boot
$ pm2 save # Save current process list
$ pm2 resurrect # Restore previously save processes
$ pm2 update # Save processes, kill PM2 and restore processes
$ pm2 generate # Generate a sample json configuration file
$ pm2 deploy app.json prod setup # Setup “prod” remote server
$ pm2 deploy app.json prod # Update “prod” remote server
$ pm2 deploy app.json prod revert 2 # Revert “prod” remote server by 2
$ pm2 module:generate [name] # Generate sample module with name [name]
$ pm2 install pm2-logrotate # Install module (here a log rotation system)
$ pm2 uninstall pm2-logrotate # Uninstall module
$ pm2 publish # Increment version, git push and npm publish