1. nohup execute >/dev/null 2>&1 & 提交了一个后台jobs
2. 然后查看一下 哪个进程正在用
3. yum 安装lsof
yum install lsof -y
4. 查看进程信息
lsof -i:7000
5. 效果为:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME frps 29431 root 3u IPv6 223994 0t0 TCP *:afs3-fileserver (LISTEN) frps 29431 root 7u IPv6 225330 0t0 TCP 45.62.117.86.16clouds.com:afs3-fileserver->58.56.96.30:37732 (ESTABLISHED) frps 29431 root 12u IPv6 226601 0t0 TCP 45.62.117.86.16clouds.com:afs3-fileserver->58.56.96.30:61211 (ESTABLISHED) [root@host ~]#
原文：https://www.cnblogs.com/jinanxiaolaohu/p/10267597.html