How To Install container-selinux on CentOS 8

container-selinux is SELinux policies for container runtimes

Introduction

In this tutorial we learn how to install container-selinux on CentOS 8.

What is container-selinux

SELinux policy modules for use with container runtimes.

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

Install container-selinux 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 container-selinux using dnf by running the following command:

sudo dnf -y install container-selinux

Install container-selinux 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 container-selinux using yum by running the following command:

sudo yum -y install container-selinux

How To Uninstall container-selinux on CentOS 8

To uninstall only the container-selinux package we can use the following command:

sudo dnf remove container-selinux

container-selinux Package Contents on CentOS 8

/usr/share/containers/selinux
/usr/share/containers/selinux/contexts
/usr/share/doc/container-selinux
/usr/share/doc/container-selinux/README.md
/usr/share/selinux/devel
/usr/share/selinux/devel/include
/usr/share/selinux/devel/include/services
/usr/share/selinux/devel/include/services/container.if
/usr/share/selinux/packages
/usr/share/selinux/packages/container.pp.bz2

References

Summary

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