apt command - how to remove a ppa from repository

In this article we are going to know about how to remove broken ppa repos, Slove the "apt-secure(8) error", and how to remove a added installed ppa repository

View all installed ppa repositories:

1 sudo ls /etc/apt/sources.list.d

method1) Using add-apt-repository

1 sudo add-apt-repository --remove ppa:certbot/certbot

method2) Using manually remove

1 sudo rm /etc/apt/sources.list.d/certbot-ubuntu-certbot-focal.list

check for updates for check ppa repos are removed or not:

1 sudo apt update

Helpful links:

• https://askubuntu.com/questions/307/how-can-ppas-be-removed
• https://itsfoss.com/how-to-remove-or-delete-ppas-quick-tip/