How To Install netlabel_tools on CentOS 8

netlabel_tools is Tools to manage the Linux NetLabel subsystem

Introduction

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

What is netlabel_tools

NetLabel is a kernel subsystem which implements explicit packet labeling protocols such as CIPSO for Linux. Packet labeling is used in secure networks to mark packets with the security attributes of the data they contain. This package provides the necessary user space tools to query and configure the kernel subsystem.

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

Install netlabel_tools 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 netlabel_tools using dnf by running the following command:

sudo dnf -y install netlabel_tools

Install netlabel_tools 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 netlabel_tools using yum by running the following command:

sudo yum -y install netlabel_tools

How To Uninstall netlabel_tools on CentOS 8

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

sudo dnf remove netlabel_tools

netlabel_tools Package Contents on CentOS 8

/etc/netlabel.rules
/usr/lib/.build-id
/usr/lib/.build-id/32
/usr/lib/.build-id/32/aad4c498112ca95aba94870111ddd44880dc72
/usr/lib/systemd/system/netlabel.service
/usr/sbin/netlabel-config
/usr/sbin/netlabelctl
/usr/share/doc/netlabel_tools
/usr/share/doc/netlabel_tools/CHANGELOG
/usr/share/doc/netlabel_tools/README
/usr/share/doc/netlabel_tools/SUBMITTING_PATCHES
/usr/share/licenses/netlabel_tools
/usr/share/licenses/netlabel_tools/LICENSE
/usr/share/man/man8/netlabel-config.8.gz
/usr/share/man/man8/netlabelctl.8.gz

References

Summary

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