How To Quickly Remove Obsolete PPAs In Ubuntu/Linux Mint

List available third party PPAs
surgeprice.display("ihaveapc.com_336x280_abovepost"); When installing third party applications in Ubuntu / Linux Mint, one needs to specifically first add the PPAs (Personal Packaging Archives) and then install the related required applications. Now over a course of time, it may happen that these added PPAs may become obsolete or are simply no longer existent. This will cause errors when updating...