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I'm not very experienced at Linux, so I simply want to know: how do I install MonoDevelop on Ubuntu 17.04?

I've tried the instructions on the MonoDevelop website, but I don't think it worked for me. Either that or I just was not able to follow instructions completely or accurately. I tried sudo apt-get install monodevelop, only to have a MonoDevelop with Run->Start Without Debugging and Start Debugging greyed out. Now I presume I will have to uninstall everything and try again? Linux is fun, but...oh Linux. ;)

  • What happens when you try to run a program from the terminal with mono-complete like in this answer: askubuntu.com/questions/905528/… which also has instructions for running a C# program in a GUI application using MonoDevelop? Please post your error message if you get one. Flatpack didn't work so I'm trying to find another way to solve it. – karel Jul 1 '17 at 4:58
  • I can run the program using mono <programname>. However, now I'm getting an odd message in MonoDevelop: File name invalid. – reincarnationofstackexchange Jul 1 '17 at 5:19
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    Sorry, now it works ok. However, I still have the greyed out Build and Run options. – reincarnationofstackexchange Jul 1 '17 at 5:26
  • Try it again next time you restart or boot to Ubuntu. I don't think it will work, so you don't need to waste a special reboot on this suggestion. logout/log back in without rebooting might also work. Also please make notes of everything you did, so that you can answer your own question if something works. – karel Jul 1 '17 at 5:30
  • I'm not sure that will do anything, but I'll try it anyway. Thanks for the support. Also, you mentioned something like "The easy way to get MonoDevelop to recognize mono-complete is to uninstall MonoDevelop and remove its config files using the command sudo apt-get purge monodevelop and then reinstall MonoDevelop." Should I try that as well? – reincarnationofstackexchange Jul 1 '17 at 5:36
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First you should install Flatpack :

sudo add-apt-repository ppa:alexlarsson/flatpak
sudo apt update
sudo apt install flatpak

Then install MonoDevelop with the following command:

flatpak install --user --from https://download.mono-project.com/repo/monodevelop.flatpakref

To run MonoDevelop :

flatpak run com.xamarin.MonoDevelop

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