How To Install virt-top on CentOS 8

virt-top is Utility like top(1) for displaying virtualization stats

Introduction

In this tutorial we learn how to install virt-top on CentOS 8.

What is `virt-top`

virt-top is a ’top(1)’-like utility for showing stats of virtualized domains. Many keys and command line options are the same as for ordinary ’top’. It uses libvirt so it is capable of showing stats across a variety of different virtualization systems.

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

Install virt-top 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 virt-top using dnf by running the following command:

sudo dnf -y install virt-top

Install virt-top 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 virt-top using yum by running the following command:

sudo yum -y install virt-top

How To Uninstall virt-top on CentOS 8

To uninstall only the virt-top package we can use the following command:

sudo dnf remove virt-top

virt-top Package Contents on CentOS 8

/usr/bin/processcsv.py
/usr/bin/virt-top
/usr/lib/.build-id
/usr/lib/.build-id/c4
/usr/lib/.build-id/c4/03f5e8784ce06a103a960dd873296acb8d1e5a
/usr/share/doc/virt-top
/usr/share/doc/virt-top/COPYING
/usr/share/doc/virt-top/ChangeLog
/usr/share/doc/virt-top/README
/usr/share/doc/virt-top/TODO
/usr/share/locale/as/LC_MESSAGES/virt-top.mo
/usr/share/locale/ca/LC_MESSAGES/virt-top.mo
/usr/share/locale/de/LC_MESSAGES/virt-top.mo
/usr/share/locale/es/LC_MESSAGES/virt-top.mo
/usr/share/locale/eu/LC_MESSAGES/virt-top.mo
/usr/share/locale/fr/LC_MESSAGES/virt-top.mo
/usr/share/locale/gu/LC_MESSAGES/virt-top.mo
/usr/share/locale/hu/LC_MESSAGES/virt-top.mo
/usr/share/locale/id/LC_MESSAGES/virt-top.mo
/usr/share/locale/it/LC_MESSAGES/virt-top.mo
/usr/share/locale/ja/LC_MESSAGES/virt-top.mo
/usr/share/locale/ka/LC_MESSAGES/virt-top.mo
/usr/share/locale/kn/LC_MESSAGES/virt-top.mo
/usr/share/locale/ml/LC_MESSAGES/virt-top.mo
/usr/share/locale/mr/LC_MESSAGES/virt-top.mo
/usr/share/locale/nl/LC_MESSAGES/virt-top.mo
/usr/share/locale/or/LC_MESSAGES/virt-top.mo
/usr/share/locale/pa/LC_MESSAGES/virt-top.mo
/usr/share/locale/pl/LC_MESSAGES/virt-top.mo
/usr/share/locale/pt/LC_MESSAGES/virt-top.mo
/usr/share/locale/pt_BR/LC_MESSAGES/virt-top.mo
/usr/share/locale/ru/LC_MESSAGES/virt-top.mo
/usr/share/locale/sr/LC_MESSAGES/virt-top.mo
/usr/share/locale/sv/LC_MESSAGES/virt-top.mo
/usr/share/locale/te/LC_MESSAGES/virt-top.mo
/usr/share/locale/tg/LC_MESSAGES/virt-top.mo
/usr/share/locale/tr/LC_MESSAGES/virt-top.mo
/usr/share/locale/uk/LC_MESSAGES/virt-top.mo
/usr/share/locale/zh_CN/LC_MESSAGES/virt-top.mo
/usr/share/locale/zh_TW/LC_MESSAGES/virt-top.mo
/usr/share/man/man1/processcsv.py.1.gz
/usr/share/man/man1/virt-top.1.gz

References

virt-top website

Summary

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