查看某端口是否被占用
$ netstat -an | grep <端口号>
如:查看当前8080端口是否被占用:
$ netstat -an | grep 8080
查看某端口被哪个程序占用
$ lsof -i:<端口号>
如:查看当前8080端口被何程序占用:
$ lsof -i:8080
根据 PID 杀死某进程
根据 PID (进程ID) 杀死指定进程,PID可在执行lsof -i:<端口号>
的COMMAND
中列出。
$ sudo kill -9 <PID>
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