How To Install sqm-scripts on CentOS 8

sqm-scripts is Traffic shaper scripts of the CeroWrt project

Introduction

In this tutorial we learn how to install sqm-scripts on CentOS 8.

What is sqm-scripts

“Smart Queue Management”, or “SQM” is shorthand for an integrated network system that performs better per-packet/per flow network scheduling, active queue length management (AQM), traffic shaping/rate limiting, and QoS (prioritization).

We can use yum or dnf to install sqm-scripts on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install sqm-scripts.

Install sqm-scripts on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install sqm-scripts using dnf by running the following command:

sudo dnf -y install sqm-scripts

Install sqm-scripts on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install sqm-scripts using yum by running the following command:

sudo yum -y install sqm-scripts

How To Uninstall sqm-scripts on CentOS 8

To uninstall only the sqm-scripts package we can use the following command:

sudo dnf remove sqm-scripts

sqm-scripts Package Contents on CentOS 8

/etc/sqm
/etc/sqm/default.conf
/etc/sqm/sqm.conf
/usr/bin/sqm
/usr/lib/sqm
/usr/lib/sqm/defaults.sh
/usr/lib/sqm/functions.sh
/usr/lib/sqm/layer_cake.qos
/usr/lib/sqm/layer_cake.qos.help
/usr/lib/sqm/piece_of_cake.qos
/usr/lib/sqm/piece_of_cake.qos.help
/usr/lib/sqm/simple.qos
/usr/lib/sqm/simple.qos.help
/usr/lib/sqm/simplest.qos
/usr/lib/sqm/simplest.qos.help
/usr/lib/sqm/simplest_tbf.qos
/usr/lib/sqm/simplest_tbf.qos.help
/usr/lib/sqm/start-sqm
/usr/lib/sqm/stop-sqm
/usr/lib/sqm/update-available-qdiscs
/usr/lib/systemd/system/[email protected]
/usr/lib/tmpfiles.d/sqm.conf
/usr/share/doc/sqm-scripts
/usr/share/doc/sqm-scripts/README.md

References

Summary

In this tutorial we learn how to install sqm-scripts on CentOS 8 using yum and dnf.