centos 下 nload 安装和使用

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本文介绍了在CentOS系统中如何安装和使用Nload来监控网络流量。首先，通过yum安装依赖包，然后从GitHub克隆Nload源代码并编译安装。完成安装后，可以运行nload命令查看实时的网络流量情况。此外，提供了命令行参数的使用示例，如设置刷新间隔、显示单位等，以适应不同需求。Nload是一款实用的网络监控工具，适用于系统管理员进行网络性能监测。

centos下安装nload监控网卡的流量情况

1、安装依赖包

yum install -y gcc gcc-c++ ncurses-devel make wget

2、Git下载Nload

git clone https://github.com/rolandriegel/nload.git ./

3、安装nload

./run_autotools

./configure

make && make install

4、运行Nload

nload

命令使用

nload -u m

同时查看多个网卡

nload -m

说明

nload version 0.7.4
Copyright (C) 2001 - 2012 by Roland Riegel <feedback@roland-riegel.de>
nload comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
welcome to redistribute it under certain conditions. For more details see the
GNU General Public License Version 2 (http://www.gnu.org/copyleft/gpl.html).

Command line syntax:
nload [options] [devices]
nload --help|-h

Options:
-a period       Sets the length in seconds of the time window for average
                calculation.
                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.
                Default is 10240.
-m              Show multiple devices at a time; no traffic graphs.
-o max_scaling  Same as -i but for the graph indicating the outgoing bandwidth
                usage.
                Default is 10240.
-t interval     Determines the refresh interval of the display in milliseconds.
                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.
                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.
devices         Network devices to use.
                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.

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