An article by Unixcop describes how to set up the free BleachBit system optimizer, privacy manager, and disk space cleaner on Ubuntu 20.04 LTS or 22.04 LTS.

How To Install BleachBit on Ubuntu 20.04 | 22.04 LTS

In this guide, we will show you how to install BleachBit in Ubuntu systems. BleachBit is a free and open-source disk space cleaner, privacy manager, and computer system optimizer. The BleachBit source code is licensed under the GNU General Public License version 3. It can do identifying and removing Web cache, HTTP cookies, URL history, temporary files log files and Flash cookies for Firefox, Opera, Safari, APT and Google Chrome 

How To Install BleachBit on Ubuntu 20.04 | 22.04 LTS - Unix / Linux the admins Tutorials