How To Install strongswan-libipsec on CentOS 8

strongswan-libipsec is Strongswan’s libipsec backend

Introduction

In this tutorial we learn how to install strongswan-libipsec on CentOS 8.

What is strongswan-libipsec

The kernel-libipsec plugin provides an IPsec backend that works entirely in userland, using TUN devices and its own IPsec implementation libipsec.

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

Install strongswan-libipsec 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 strongswan-libipsec using dnf by running the following command:

sudo dnf -y install strongswan-libipsec

Install strongswan-libipsec 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 strongswan-libipsec using yum by running the following command:

sudo yum -y install strongswan-libipsec

How To Uninstall strongswan-libipsec on CentOS 8

To uninstall only the strongswan-libipsec package we can use the following command:

sudo dnf remove strongswan-libipsec

strongswan-libipsec Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/48/f2218423c56e77db2627998e5c0fcbc6addb81
/usr/lib/.build-id/71/bcf811614c67495f567eaece6924814f20b62b
/usr/lib64/strongswan/libipsec.so.0
/usr/lib64/strongswan/libipsec.so.0.0.0
/usr/lib64/strongswan/plugins/libstrongswan-kernel-libipsec.so

References

Summary

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