How To Install erlang-os_mon on CentOS 8

erlang-os_mon is A monitor which allows inspection of the underlying operating system

Introduction

In this tutorial we learn how to install erlang-os_mon on CentOS 8.

What is erlang-os_mon

A monitor which allows inspection of the underlying operating system.

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

Install erlang-os_mon 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 erlang-os_mon using dnf by running the following command:

sudo dnf -y install erlang-os_mon

Install erlang-os_mon 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 erlang-os_mon using yum by running the following command:

sudo yum -y install erlang-os_mon

How To Uninstall erlang-os_mon on CentOS 8

To uninstall only the erlang-os_mon package we can use the following command:

sudo dnf remove erlang-os_mon

erlang-os_mon Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/49
/usr/lib/.build-id/49/492a9ea06317eb0db2e374f99bd08f40a46ef4
/usr/lib/.build-id/de
/usr/lib/.build-id/de/9c4c64adf8b11566685843aaaac4fc51e856f2
/usr/lib64/erlang/lib/os_mon-2.5
/usr/lib64/erlang/lib/os_mon-2.5/ebin
/usr/lib64/erlang/lib/os_mon-2.5/ebin/cpu_sup.beam
/usr/lib64/erlang/lib/os_mon-2.5/ebin/disksup.beam
/usr/lib64/erlang/lib/os_mon-2.5/ebin/memsup.beam
/usr/lib64/erlang/lib/os_mon-2.5/ebin/os_mon.app
/usr/lib64/erlang/lib/os_mon-2.5/ebin/os_mon.appup
/usr/lib64/erlang/lib/os_mon-2.5/ebin/os_mon.beam
/usr/lib64/erlang/lib/os_mon-2.5/ebin/os_mon_sysinfo.beam
/usr/lib64/erlang/lib/os_mon-2.5/ebin/os_sup.beam
/usr/lib64/erlang/lib/os_mon-2.5/priv
/usr/lib64/erlang/lib/os_mon-2.5/priv/bin
/usr/lib64/erlang/lib/os_mon-2.5/priv/bin/cpu_sup
/usr/lib64/erlang/lib/os_mon-2.5/priv/bin/memsup
/usr/lib64/erlang/lib/os_mon-2.5/src
/usr/lib64/erlang/lib/os_mon-2.5/src/memsup.hrl

References

Summary

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