How To Install whowatch on CentOS 8

whowatch is Display information about users currently logged on

Introduction

In this tutorial we learn how to install whowatch on CentOS 8.

What is `whowatch`

Whowatch is an interactive who-like program that displays information about the users currently logged on to the machine, in real time. Besides standard information (login name, tty, host, user’s process), the type of the connection (ie. telnet or ssh) is shown. You can toggle display between users’ command or idle time. You can watch processes tree, navigate in it and send INT and KILL signals.

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

Install whowatch 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 whowatch using dnf by running the following command:

sudo dnf -y install whowatch

Install whowatch 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 whowatch using yum by running the following command:

sudo yum -y install whowatch

How To Uninstall whowatch on CentOS 8

To uninstall only the whowatch package we can use the following command:

sudo dnf remove whowatch

whowatch Package Contents on CentOS 8

/usr/bin/whowatch
/usr/lib/.build-id
/usr/lib/.build-id/76
/usr/lib/.build-id/76/90781507923b28fe811d8ee759bad9aed0f903
/usr/share/doc/whowatch
/usr/share/doc/whowatch/AUTHORS
/usr/share/doc/whowatch/COPYING
/usr/share/doc/whowatch/ChangeLog
/usr/share/doc/whowatch/PLUGINS.readme
/usr/share/doc/whowatch/README
/usr/share/doc/whowatch/TODO
/usr/share/man/man1/whowatch.1.gz

References

whowatch website

Summary

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