On 2017-08-02 at 11:44, Christoph Groth wrote: > Hi, > > I'm running Debian testing and would like to upgrade from > "oldtesting" (jessie) to current testing. I noticed that 'apt > upgrade' as well as 'apt-get upgrade' want to install the package > 'pulsaudio' which I've been avoiding successfully so far. That's a little weird. According to the apt-get man page, 'upgrade' will never install a package which is not already installed. The 'upgrade' command for apt behaves differently; that one will install new packages if needed, but will never remove an existing package. Are you certain that both commands produce the same install-new-package result? > I could of course uninstall pulseaudio after the upgrade, but I > wonder whether a more elegant solution does not exist. Try 'apt-get upgrade pulseaudio-'; the trailing hyphen should tell apt-get to remove the package, which in this case means not installing it. I more usually use this sort of thing with dist-upgrade, but AFAIK it should work for upgrade as well. You could also try something in /etc/apt/preferences along the lines of Explanation: I don't want pulseaudio at all, ever. Package: pulseaudio Pin: version * Pin-Priority: -1 but I can't swear that that will actually work properly. > Specifically, aptitude has a '--show-why' option. I checked that > neither 'apt' nor 'apt-get' have an equivalent option. Is there some > other way to know why 'pulsaudio' is to be installed? To the best of my knowledge, only aptitude supports the 'why' capabilities. (I only knew about 'aptitude why', not about '--show-why', but I expect the same will hold for both.) -- The Wanderer The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. -- George Bernard Shaw
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