我们在用命令ng serve --port 时经常遇到错误消息:
ubuntu@ip-172-31-12-185:-/KOI/Template/front-end$ ng serve --port 3000Port 3000 is already in use. Use ‘–port’ to specify a different port.Error: Port 3000 is already in use. Use ‘–port’ to specify a different port.at Server. server.once (/home/ubuntubuntu和linux的区别u/KOI/Template/front-end/node_modulesubuntu系统安装教程/@angular-dev公众号创建kit/build-angular/srcngular公众号怎么做-cli-files/utilitiesubuntu/check-port.js:27:28)
at object. onceWrapper (events.js:315:30)
at emitone (events.js:116公众号排版:13)
at server. emit (events.js:211:7)
at emitErrorNT (net.js: 1387:8)
at _combinedTickCallback (internal/process/next_tick.jsubuntu怎么读: 138:11)at process._tickcallback (i公众号运营nternaubuntu和linux的区别l/proclinux系统ess/next_tick.js: 180:9)
如何查到哪一个进程占用了端口3000?
命令netstat -tulpn,发现是进程 15089占用了3000.
再使系统/运维用ps -aux就能找到该进程的路径了。
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