• Add third Party Repo to server for TVHeadend 4.2 and install.
• Below are the commands:

sudo apt-add-repository ppa:mamarley/tvheadend-git-stable
sudo apt update
sudo apt install tvheadend

• Create timeshift and Recordings under the hts user using 'mkdir'

sudo su - hts

• Then from there, you can go into the TVH GUI via http://youriptotvheadend:9981 and run the wizard. Only use the Freeeview OTA module.