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Thank you for your answer! is there a way i could do that on running system? say, press CTRL+ALT+F1, do something, get vnc session?
– Fedcomp
Commented Nov 11, 2015 at 10:35
1

Basically press C-A-F1 to go to the console, then use startx/xinit to launch another X instance, modify your .xinitrc to select whether to start your preferred desktop environment or vnc based on the $DISPLAY variable, also properly configure .Xresources. Then another X instance starts and you should be able to switch using eg. C-A-F7 and C-A-F8 between them.
– Vojtech
Commented Nov 11, 2015 at 12:20

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