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博客园 - toong

envoy DDOS HTTP/2 Bomb CVE-2026-47774 安全漏洞分析 P2P与FRP与websocket python运行虚拟化环境 大模型从0到1 绑定网卡中断后是否需要设置RFS linux socket reuse port 小测试 现代C++ envoy timeout 说明 观察中断的脚本 /proc/interrupts openssl查看编译时选项设置的方法 内核ipsec转发优化方法 提高ipsec多核并行能力的优化方法之一 tc qdisc 的burst如何设置 linux内核对MSI网卡队列的smp_affinity亲和CPU选择 bash多并发--进程池数量控制 bash单例模式 linux 分析中断 linux 查看 ipsec 丢包 linux内核rps与rfs机制分析 linux获取CPU利用率的快捷命令 开启openssl legacy的方法
bash模拟netstat取值的脚本
toong · 2025-07-21 · via 博客园 - toong

如题

#! /bin/bash

function netstat()
{
        file="$1"
        Key="$2"
        res=`cat $file`
        title=`echo "$res" |grep $Key |head -n 1`
        value=`echo "$res" |grep $Key |tail -n 1`
        num=`echo $title |awk '{print NF}'`

        for ((i=2; i<$num+1; i++))
        do
                t=`echo "$title" |cut -d' ' -f "$i"`
                v=`echo "$value" |cut -d' ' -f "$i"`
                echo "tong_netstat_title:$t; tong_netstat_value=$v"
        done
}

netstat "/proc/net/netstat" "TcpExt:"
netstat "/proc/net/netstat" "IpExt:"
netstat "/proc/net/netstat" "IpExt:"
netstat "/proc/net/snmp" "Ip:"
netstat "/proc/net/snmp" "Icmp:"
netstat "/proc/net/snmp" "IcmpMsg:"
netstat "/proc/net/snmp" "Tcp:"
netstat "/proc/net/snmp" "Udp:"
netstat "/proc/net/snmp" "UdpLite:"

posted on 2025-07-21 14:56  toong  阅读(9)  评论()    收藏  举报