Problem with DEB packages
If we want to install software using a DEB package, there is no guarantee that the installed software will be updated to a newer version when you run sudo apt update && sudo apt upgrade command. It’s because the apt upgrade method depends on the sources.list file. If there is no entry for software, it doesn’t get the update via the standard apt installation. But if the developers add an entry to the sources.list and then it gets updated automatically like regular software.
Using PPA in Linux
Personal Package Archives (PPA) is a unique software repository intended for non-standard software/updates. The PPA allows application developers and Linux users to create their own repositories to distribute software. It allows us to upload Ubuntu source packages to be built and published as an apt repository by Launchpad. With PPA, we can easily get newer software versions or software that are not available via the official Ubuntu repositories.
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