GNU/Linux Lubuntu 18.04 Install RabbitVCS – QuickStart Guide
Hi! Embark on a guided journey with our tutorial, detailing each step to effortlessly Install RabbitVCS on your Lubuntu 18.04 Bionic LTS GNU/Linux.
And RabbitVCS for Lubuntu 18.04 is a Set of Graphical Tools written to provide Simple and Straightforward Access to the Version Control Systems you use.
It currently Supports Subversion and Git on a variety of clients such as Nautilus, Thunar, Nemo, Caja, Gedit, and on the Command Line.

1. Launching Terminal
How to QuickStart with Command Line on Lubuntu
First, Update the Apt Repo Sources with:sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.