vnstat统计网卡流量的神器

安装:

sudo apt-get install vnstat

查看帮助:

vnstat --version

dr@dr-OptiPlex-3010:~$ vnstat --help
 vnStat 1.11 by Teemu Toivola <tst at iki dot fi>

         -q,  --query          query database
         -h,  --hours          show hours
         -d,  --days           show days
         -m,  --months         show months
         -w,  --weeks          show weeks
         -t,  --top10          show top10
         -s,  --short          use short output
         -u,  --update         update database
         -i,  --iface          select interface (default: eth0)
         -?,  --help           short help
         -v,  --version        show version
         -tr, --traffic        calculate traffic
         -ru, --rateunit       swap configured rate unit
         -l,  --live           show transfer rate in real time

See also "--longhelp" for complete options list and "man vnstat".

 上面只是简单使用列表,要查看详细使用可以man vnstat,或者用vnstat --longhelp

        例如,查看一个月内的网络流量情况:

      

dr@dr-OptiPlex-3010:~$ vnstat -m

 eth0  /  monthly

       month        rx      |     tx      |    total    |   avg. rate
    ------------------------+-------------+-------------+---------------
      Feb '13      2.99 MiB |     618 KiB |    3.59 MiB |    0.02 kbit/s
    ------------------------+-------------+-------------+---------------
    estimated        --     |      --     |      --     |
dr@dr-OptiPlex-3010:~$ 

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转载自dingran.iteye.com/blog/1806341