Whonix

Run a secure-ish OS from Virtualbox.

Install

# Download Whonix ova 
wget https://mirrors.dotsrc.org/whonix/ova/16.0.8.2/Whonix-XFCE-16.0.8.2.ova
# Linux - Install Virtaulbox
sudo apt update && sudo apt install virtualbox linux-headers-generic
sudo adduser $(whoami) vboxusers
# Import Ova and launch Whonix

References

https://www.whonix.org/
https://www.whonix.org/wiki/VirtualBox/XFCE