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  • 网络相关命令-netstat

    网络相关命令

    1. netstat显示网络状态

    usage: netstat [-vWeenNcCF] [<Af>] -r netstat {-V|--version|-h|--help} netstat [-vWnNcaeol] [ ...] netstat { [-vWeenNac] -i | [-cWnNe] -M | -s }

        -r, --route              display routing table
        -i, --interfaces         display interface table
        -g, --groups             display multicast group memberships
        -s, --statistics         display networking statistics (like SNMP)
        -M, --masquerade         display masqueraded connections
    
    
        -v, --verbose            be verbose
        -W, --wide               don't truncate IP addresses
        -n, --numeric            don't resolve names
        --numeric-hosts          don't resolve host names
        --numeric-ports          don't resolve port names
        --numeric-users          don't resolve user names
        -N, --symbolic           resolve hardware names
        -e, --extend             display other/more information
        -p, --programs           display PID/Program name for sockets
        -c, --continuous         continuous listing
    
    
        -l, --listening          display listening server sockets
        -a, --all, --listening   display all sockets (default: connected)
        -o, --timers             display timers
        -F, --fib                display Forwarding Information Base (default)
        -C, --cache              display routing cache instead of FIB
    
    

    常用选项: netstat -apn | grep 8000 监听占用8000端口的程序状态。

    示例

    ~$netstat -apn |grep 2000

    tcp 0 0 0.0.0.0:2000 0.0.0.0:* LISTEN 3311/ser
    tcp 0 0 192.168.1.103:2000 192.168.1.103:44100 TIME_WAIT -
    tcp 0 0 192.168.1.103:2000 192.168.1.103:44102 TIME_WAIT -
    tcp 0 0 192.168.1.103:2000 192.168.1.103:44099 TIME_WAIT -
    tcp 0 0 192.168.1.103:2000 192.168.1.103:44103 TIME_WAIT -
    tcp 0 0 192.168.1.103:2000 192.168.1.103:44098 TIME_WAIT -
    tcp 0 0 192.168.1.103:2000 192.168.1.103:44101 TIME_WAIT -

     

    参考应用:解决TIME_WAIT过多造成的问题_转

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  • 原文地址:https://www.cnblogs.com/embedded-linux/p/4999000.html
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