• 【liunx】端口号的占用情况查看


    Linux如何查看端口

    1、lsof -i:端口号 用于查看某一端口的占用情况,比如查看8000端口使用情况,lsof -i:8000

    # lsof -i:8000
    COMMAND   PID USER   FD   TYPE  DEVICE SIZE/OFF NODE NAME
    lwfs    22065 root    6u  IPv4 4395053      0t0  TCP *:irdmi (LISTEN)

    可以看到8000端口已经被轻量级文件系统转发服务lwfs占用

    2、netstat -tunlp |grep 端口号,用于查看指定的端口号的进程情况,如查看8000端口的情况,netstat -tunlp |grep 8000

    复制代码
    # netstat -tunlp 
    Active Internet connections (only servers)
    Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name   
    tcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN      4814/rpcbind        
    tcp        0      0 0.0.0.0:5908                0.0.0.0:*                   LISTEN      25492/qemu-kvm      
    tcp        0      0 0.0.0.0:6996                0.0.0.0:*                   LISTEN      22065/lwfs          
    tcp        0      0 192.168.122.1:53            0.0.0.0:*                   LISTEN      38296/dnsmasq       
    tcp        0      0 0.0.0.0:22                  0.0.0.0:*                   LISTEN      5278/sshd           
    tcp        0      0 127.0.0.1:631               0.0.0.0:*                   LISTEN      5013/cupsd          
    tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      5962/master         
    tcp        0      0 0.0.0.0:8666                0.0.0.0:*                   LISTEN      44868/lwfs          
    tcp        0      0 0.0.0.0:8000                0.0.0.0:*                   LISTEN      22065/lwfs        
    复制代码
    # netstat -tunlp | grep 8000
    tcp        0      0 0.0.0.0:8000                0.0.0.0:*                   LISTEN      22065/lwfs          

    说明一下几个参数的含义:

                                    

    复制代码
     -t (tcp) 仅显示tcp相关选项
                                     -u (udp)仅显示udp相关选项
                                     -n 拒绝显示别名,能显示数字的全部转化为数字
                                     -l 仅列出在Listen(监听)的服务状态
                                     -p 显示建立相关链接的程序名
     
    复制代码
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  • 原文地址:https://www.cnblogs.com/shangxiaofei/p/9260329.html
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