Ubuntu how to fix Xorg session?
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Some time ago I accidentally gives 777 permissions to all folders, and when I reboot my system I can't login.I don't remember what exactly I do , but I can start ubuntu via wayland session. System working fine except google hangouts(unavailable screen sharing), so I find some advice where need to switch to the Xorg session and then screen sharing would be available. I tryed uncomented this line #WaylandEnable=false in /etc/gdm3/custom.conf , but then after rebooting system can't run, so through recovery mode I commented again this string, and then ubuntu started on wayland session. (Also when system is booting login menu not appeared and I can't switch between sessions.) So I supposed Xorg session is broken and I need yours suggestions how I can resolve this problem.
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