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Linux下使用Wondershaper限制应用的带宽和流量|CentOS7为例
Wondershaper简介Wondershaper是一个小的bash脚本,使您可以限制Linux中的网络带宽。 ...
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2020/04

Linux下使用Wondershaper限制应用的带宽和流量|CentOS7为例

Wondershaper简介

Wondershaper是一个小的bash脚本,使您可以限制Linux中的网络带宽。 它使用tc命令行程序作为配置流量控制的后端。 它是用于控制Linux服务器上带宽的便捷工具。
它允许您设置最大下载速率和/或最大上传速率。 此外,它还允许您清除已设置的限制,并可以从命令行显示接口的当前状态。 除了使用CLI选项,您还可以在systemd下将其作为服务持久运行。

安装

支持各种发行版,对应的安装方法:

$ sudo apt install wondershaper  [On Debian/Ubuntu]
$ sudo yum install wondershaper  [On CentOS/RHEL]
$ sudo dnf install wondershaper  [On Fedora 22+]

如果想安装最新版,可以自己编译安装

$ cd /bin

$ git clone https://github.com/magnific0/wondershaper.git
$ cd wondershaper
$ sudo make install

使用

首先ip addr查看网卡名称,这里是eth0

[[email protected] wondershaper]# ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
   valid_lft forever preferred_lft forever
inet6 ::1/128 scope host 
   valid_lft forever preferred_lft forever

2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

link/ether 00:16:3e:93:d0:a9 brd ff:ff:ff:ff:ff:ff
inet 5.9.199.194/24 brd 5.9.199.255 scope global eth0
   valid_lft forever preferred_lft forever
inet6 fe80::216:3eff:fe93:d0a9/64 scope link 
   valid_lft forever preferred_lft forever

然后运行命令./wondershaper即可,如限制eth0的速度到12.5Mb:

[[email protected] wondershaper]# sudo ./wondershaper -a eth0 -u 12800

以下是帮助文档

[[email protected] wondershaper]# sudo ./wondershaper --help
./wondershaper: illegal option -- -
USAGE: ./wondershaper [-hcs] [-a <adapter>] [-d <rate>] [-u <rate>]
 
Limit the bandwidth of an adapter
 
OPTIONS:
   -h           Show this message
   -a <adapter> Set the adapter
   -d <rate>    Set maximum download rate (in Kbps) and/or
   -u <rate>    Set maximum upload rate (in Kbps)
   -p           Use presets in /etc/conf.d/wondershaper.conf
   -c           Clear the limits from adapter
   -s           Show the current status of adapter
   -v           Show the current version
 
MODES:
   wondershaper -a <adapter> -d <rate> -u <rate>
   wondershaper -c -a <adapter>
   wondershaper -s -a <adapter>
 
EXAMPLES:
   wondershaper -a eth0 -d 1024 -u 512
   wondershaper -a eth0 -u 512
   wondershaper -c -a eth0

使用systemctl守护进程使其长久生效

之前的一行代码在重启后会自动失效,因此这里使用systemctl守护进程,并设置开机启动。
新建并编辑//etc/conf.d/wondershaper

sudo nano /etc/conf.d/wondershaper
根据自己的情况设置限制参数,然后保存:

[wondershaper]
# Adapter
IFACE="eth0"
 
# Download rate in Kbps
DSPEED="128000"
 
# Upload rate in Kbps
USPEED="12800"

开启服务并设置开机启动

sudo systemctl start wondershaper
sudo systemctl enable wondershaper

转载https://www.liujason.com/article/572.html

Last modification:April 23rd, 2020 at 03:05 pm
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