How To Install collectd-write_prometheus on CentOS 8

collectd-write_prometheus is Prometheus output plugin for collectd

Introduction

In this tutorial we learn how to install collectd-write_prometheus on CentOS 8.

What is collectd-write_prometheus

This plugin exposes collected values using an embedded HTTP server, turning the collectd daemon into a Prometheus exporter.

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

Install collectd-write_prometheus 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 collectd-write_prometheus using dnf by running the following command:

sudo dnf -y install collectd-write_prometheus

Install collectd-write_prometheus 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 collectd-write_prometheus using yum by running the following command:

sudo yum -y install collectd-write_prometheus

How To Uninstall collectd-write_prometheus on CentOS 8

To uninstall only the collectd-write_prometheus package we can use the following command:

sudo dnf remove collectd-write_prometheus

collectd-write_prometheus Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/47/113a7d65039bcbd459f4b4d160bc331bf11226
/usr/lib64/collectd/write_prometheus.so

References

Summary

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