Ubuntu Package Backup and Restore

Most simple way to backup and reinstall all installed packages.

Create a Nightly Job:

dpkg --get-selections > /home/username/installed-packages.list

After a clean install, restore your home directory, set up your Non-Ubuntu repositories. Then to reinstall all:

sudo apt update

sudo dpkg --set-selections < /home/username/installed-packages.list

sudo apt-get dselect-upgrade

That's all