How To Install mkosi on CentOS 8

mkosi is Create legacy-free OS images

Introduction

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

What is mkosi

A fancy wrapper around “dnf –installroot”, “debootstrap” and “pacstrap”, that may generate disk images with a number of bells and whistles. Generated images are “legacy-free”. This means only GPT disk labels (and no MBR disk labels) are supported, and only systemd based images may be generated. Moreover, for bootable images only EFI systems are supported (not plain MBR/BIOS).

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

Install mkosi 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 mkosi using dnf by running the following command:

sudo dnf -y install mkosi

Install mkosi 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 mkosi using yum by running the following command:

sudo yum -y install mkosi

How To Uninstall mkosi on CentOS 8

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

sudo dnf remove mkosi

mkosi Package Contents on CentOS 8

/usr/bin/mkosi
/usr/lib/python3.6/site-packages/mkosi
/usr/lib/python3.6/site-packages/mkosi-9-py3.6.egg-info
/usr/lib/python3.6/site-packages/mkosi-9-py3.6.egg-info/PKG-INFO
/usr/lib/python3.6/site-packages/mkosi-9-py3.6.egg-info/SOURCES.txt
/usr/lib/python3.6/site-packages/mkosi-9-py3.6.egg-info/dependency_links.txt
/usr/lib/python3.6/site-packages/mkosi-9-py3.6.egg-info/top_level.txt
/usr/lib/python3.6/site-packages/mkosi/__init__.py
/usr/lib/python3.6/site-packages/mkosi/__main__.py
/usr/lib/python3.6/site-packages/mkosi/__pycache__
/usr/lib/python3.6/site-packages/mkosi/__pycache__/__init__.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/mkosi/__pycache__/__init__.cpython-36.pyc
/usr/lib/python3.6/site-packages/mkosi/__pycache__/__main__.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/mkosi/__pycache__/__main__.cpython-36.pyc
/usr/lib/python3.6/site-packages/mkosi/__pycache__/printer.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/mkosi/__pycache__/printer.cpython-36.pyc
/usr/lib/python3.6/site-packages/mkosi/printer.py
/usr/share/doc/mkosi
/usr/share/doc/mkosi/README.md
/usr/share/licenses/mkosi
/usr/share/licenses/mkosi/LICENSE
/usr/share/man/man1/mkosi.1.gz

References

Summary

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