vnstat 查看服务器带宽统计命令
https://www.cnblogs.com/nulige/p/6671094.html
vnStat是一个Linux下的网络流量监控软件,它记录指定网卡每日的传输流量日志.
它并非基于网络包的过滤,而是分析文件系统- /proc, 所以vnStat无需root的权限就可使用.
,它还自带了 vnstati 命令,通过它可以直接可以输出流量统计图.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | #先安装epel源[root@vpn ~]# yum install epel-release -y#yum安装vnstat[root@vpn ~]# yum install vnstat -y#创建监控数据库(eth0改成你需要监控的网卡）vnstat -u -i eth0#启动服务并设置开机启动service vnstat startchkconfig vnstat on#查看帮助[root@vpn ~]# 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 timeSee also "--longhelp" for complete options list and "man vnstat".#流量查看命令[root@vpn ~]# vnstatDatabase updated: Wed Apr 5 22:37:51 2017 eth0 since 04/05/17 rx: 310 KiB tx: 1.38 MiB total: 1.68 MiB monthly rx | tx | total | avg. rate ------------------------+-------------+-------------+--------------- Apr '17 310 KiB | 1.38 MiB | 1.68 MiB | 0.03 kbit/s ------------------------+-------------+-------------+--------------- estimated -- | -- | -- | daily rx | tx | total | avg. rate ------------------------+-------------+-------------+--------------- today 310 KiB | 1.38 MiB | 1.68 MiB | 0.17 kbit/s ------------------------+-------------+-------------+--------------- estimated -- | -- | -- | |
参考：http://www.vpswe.com/vps-jiaocheng/483.html