Ubuntu – Running two sessions of Cinnamon

cinnamondesktop-environmentssession

maybe this is a stupid question, but is it possible to run two sessions of a desktop envoirement at the same time (preferrably Cinnamon) and be able to switch between them like you can switch between terminal sessions with Ctrl + Alt + (F1,F2,F3) ?

I have a screen and a beamer and I want to either run the presentation on the beamer (notes on the mainscreen) OR the screen magnifier on the beamer (and the demonstrated program on the main screen).
I can already do that with one session of cinnamon, but it requires a few clicks and that is somewhat unprofessional and I figured that I rather ask a dumb question than breaking my cinnamon by doing something dumb.

Thanks in advance!

EDIT: It's much easier than that.
Just add the workspaces applet to your taskbar and you can switch between workspaces. I don't know why I hadn't thought about that earlier…
I will not delete it in case someone else doesn't think of the workspaces.

Best Answer

While workspaces are the way to go here, I'll still answer the original question. It's not hard to run multiple instances of X - the system that actually is the GUI. You just need to use startx (and optionally .xinitrc). See my other answer for a quick intro to using it, and the Arch Wiki article on .xinitrc for more complete information.

On each TTY you want to run Cinnamon on, you just need to do:

startx /usr/bin/gnome-session --session=cinnamon

Then switch between them the way you normally would switch to the corresponding TTY.

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