How To Install strongswan-libcharon on Ubuntu 20.04
Introduction
In this tutorial we learn how to install strongswan-libcharon on Ubuntu 20.04.
What is strongswan-libcharon
strongswan-libcharon is:
The strongSwan VPN suite uses the native IPsec stack in the standard Linux kernel. It supports both the IKEv1 and IKEv2 protocols.
This package contains the charon library, used by IKE client like strongswan-charon, strongswan-charon-cmd or strongswan-nm as well as standard plugins:
- socket-default
- counters
- bypass-lan (disabled by default)
On Linux, it also contains the xfrmi binary which can be used on Linux 4.19+ to create XFRM interfaces (for more information, see https://wiki.strongswan.org/projects/strongswan/wiki/RouteBasedVPN)
Package: strongswan-libcharon Architecture: amd64 Version: 5.8.2-1ubuntu3 Priority: optional Section: net Source: strongswan Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: strongSwan Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 925 Depends: libstrongswan (= 5.8.2-1ubuntu3), libc6 (>= 2.29) Recommends: libcharon-extauth-plugins Suggests: libcharon-extra-plugins Breaks: strongswan-starter (<= 5.6.1-2) Replaces: strongswan-starter (<= 5.6.1-2) Filename: pool/main/s/strongswan/strongswan-libcharon_5.8.2-1ubuntu3_amd64.deb Size: 240824 MD5sum: 14001fdcd4b55b8708792072a1f5a051 SHA1: 0aa2928945fdc2a5f479fda7820c3632a6685d9f SHA256: a53731e1d94a1af5ffbbc411cc158c085afe46b88ca673428cac56ed4ad64db0 Homepage: http://www.strongswan.org Description-en: strongSwan charon library The strongSwan VPN suite uses the native IPsec stack in the standard Linux kernel. It supports both the IKEv1 and IKEv2 protocols.
This package contains the charon library, used by IKE client like strongswan-charon, strongswan-charon-cmd or strongswan-nm as well as standard plugins:
- socket-default
- counters
- bypass-lan (disabled by default)
On Linux, it also contains the xfrmi binary which can be used on Linux 4.19+ to create XFRM interfaces (for more information, see https://wiki.strongswan.org/projects/strongswan/wiki/RouteBasedVPN)
There are three methods to install strongswan-libcharon on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install strongswan-libcharon Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install strongswan-libcharon using apt-get by running the following command:
sudo apt-get -y install strongswan-libcharon
Install strongswan-libcharon Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install strongswan-libcharon using apt by running the following command:
sudo apt -y install strongswan-libcharon
Install strongswan-libcharon Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install strongswan-libcharon using aptitude by running the following command:
sudo aptitude -y install strongswan-libcharon
How To Uninstall strongswan-libcharon on Ubuntu 20.04
To uninstall only the strongswan-libcharon package we can use the following command:
sudo apt-get remove strongswan-libcharon
Uninstall strongswan-libcharon And Its Dependencies
To uninstall strongswan-libcharon and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove strongswan-libcharon
Remove strongswan-libcharon Configurations and Data
To remove strongswan-libcharon configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge strongswan-libcharon
Remove strongswan-libcharon configuration, data, and all of its dependencies
We can use the following command to remove strongswan-libcharon configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge strongswan-libcharon
References
Summary
In this tutorial we learn how to install strongswan-libcharon package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.