Centos 安装 nload （流量监控）

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1、系统安装基本工具

[root@localhost ~]# yum install -y gcc gcc-c++ make flex byacc libpcap ncurses-devel libpcap-devel

2、下载nload

[root@localhost ~]# cd /opt/

[root@localhost opt]# wget http://www.roland-riegel.de/nload/nload-0.7.4.tar.gz

3、解压工具包

[root@localhost opt]# tar zxvf nload-0.7.4.tar.gz

4、进入路径 /opt/nload-0.7.4

[root@localhost opt]# cd nload-0.7.4

5、编译

[root@localhost nload-0.7.4]# ./configure

6、安装

[root@localhost nload-0.7.4]# make && make install

7、使用

[root@localhost nload-0.7.4]# nload

8、退出

Ctrl + C

9、说明

查看帮助

nload -h

Options:
-a period       Sets the length in seconds of the time window for average calculation.
                平均计算时间长度
                Default is 300.
-i max_scaling Specifies the 100% mark in kBit/s of the graph indicating the
                incoming bandwidth usage. Ignored if max_scaling is 0 or the
                switch -m is given.
                指定入口流量最大值单位是kBit/s
                Default is 10240.
-m              Show multiple devices at a time; no traffic graphs.
                同时显示多个设备统计信息
-o max_scaling Same as -i but for the graph indicating the outgoing bandwidth
                usage.
                和-i相同，但是是出口流量
                Default is 10240.
-t interval     Determines the refresh interval of the display in milliseconds.
                刷新间隔
                Default is 500.
-u h|b|k|m|g    Sets the type of unit used for the display of traffic numbers.
   H|B|K|M|G    h: auto, b: Bit/s, k: kBit/s, m: MBit/s etc.
                H: auto, B: Byte/s, K: kByte/s, M: MByte/s etc.
                显示单位
                Default is h.
-U h|b|k|m|g    Same as -u, but for a total amount of data (without "/s").
   H|B|K|M|G    Default is H.
                和-u相同，但是为总流量
devices         Network devices to use.
                指定网卡
                Default is to use all auto-detected devices.
--help
-h              Print this help.

example: nload -t 200 -i 1024 -o 128 -U M

The options above can also be changed at run time by pressing the 'F2' key.
运行时使用F2可以查看此页
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原文链接：https://blog.csdn.net/llwy1428/article/details/85156119