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On Ubuntu 20.04LTS the app called "Ubuntu software" is in reality snap-store (the terminal command running it is "snap-store", not "gnome-software"). Ubuntu 20.04 does not seem to come with gnome-software installed by default. For me, closing the app, then typing killall snap-store in a terminal and then re-launching the app ...


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You can also try sudo snap remove snap-store sudo snap install snap-store Remember it will ask for a password with pop-up


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The notification has appeared to show that the app has installed


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sudo update-alternatives --remove-all python3 from manpage Remove all alternatives and all of their associated slave links. name is a name in the alternatives directory (in your case python3) sudo rm /usr/bin/python3 Then create a new link. sudo ln -s /usr/bin/python3.6 /usr/bin/python3


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EnvironmentFile=/home/myname/myapp/env should be a file not as some may expect it to be a folder. There seems a convention conflict here, between web projects and systemd.


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The only thing that has worked so far is gnome-software refresh But the terminal has to be kept open. Once it is closed, the apps disappear again. Update: G. Koçmarlı has posted a working solution on Ubuntu software shows only editors picks 20.04.


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