How to Add or Remove a PPA in Ubuntu 18.04

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What is a PPA?

A PPA (or Personal Package Archive) is a software repository provided by members of the Ubuntu Linux community. Software contained in a PPA can be downloaded and installed via apt, Ubuntu’s defacto package management system.

Typically, PPA’s will contain new or updated software to existing packages that may not be available from the official Ubuntu package repositories. This allows users to have more granular control over when specific software packages are updated on their systems. It is important to be discerning when utilizing PPA’s and to only add a PPA from a trusted source.

The best reason for adding software via a PPA, is the server will get automatic updates to the installed software when updates are run.

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