Or you plan to upgrade the OS to a newer version and the packages for this version weren't yet built in the PPA (to prevent errors in this situation, Ubuntu automatically disables third party PPAs when upgrading).
Or the PPA may not be maintained anymore and you get errors when updating apt cache.
Which is the most appropriate way to do something like that?
That way you have the greatest chance of getting a new working system.
The following is an updated sample of a sources file.
Note, the source line can contain either a suite name or a code name, although we recommend using the suite name (e.g. Note: When following the instructions below, note that using on a browser will result in a 403 Forbidden page.
Additionally, how do I determine which repo is the source of a package, either installed or available?
However, that will show you the repository of the latest version available of that package, you may have more repositories for the same package with older versions.
The repo structure should be permanent, but if there are any changes they will be pointed out in the release posts. Typically there will be a post on the community announcing this.This is a GUI applications that is included in Ubuntu and allows you to change automatic updates settings, install drivers and manage PPAs and repositories. But if you have, open this file again with a text editor with root permissions (i.e.If you want to start it from Terminal, the executable name is software-properties-gtk. gksu gedit /etc/apt/sources.list) and comment lines with '#' to disable them and/or delete lines to permanently remove them.Remove all the grep/awk stuff if you want to see the full list.If you have previously installed a Wine package from another repository, please remove it and any packages that depend on it (e.g., wine-mono, wine-gecko, winetricks) before attempting to install the Wine HQ packages, as they may cause dependency conflicts.