screen:
1.https://www.ibm.com/developerworks/cn/linux/l-cn-screen/
2.https://www.cnblogs.com/wclwcw/p/7889027.html
3.https://www.cnblogs.com/hanerfan/p/5595552.html
pm2:
https://pm2.io/doc/en/runtime/overview/
pm2 start app.js --name app
pm2 start npm --name name -- run dev
原文:https://www.cnblogs.com/qmzbe/p/14603642.html