I love how Ubuntu "just works": installed tigervnc, but wanted tightvnc? Just completely reinstall Ubuntu, it's faster than trying to actually uninstall tigervnc and tightvnc and restore the filesystem to what it was before they installed themselves.
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@TheRealPomax Also if you have a server that's unmanaged and you forgot to set the 'remove old' kernels apt config, good luck sorting that out when it fills /boot with 35 old kernels. It is unusually fiddly to persuade it you don't want them.
