I was able to create a wifi hotspot on my debian 8 install using network tab under gnome settings. I was trying to do the same using nmcli but it always shows $nmcli con up id HotspotError: Connection activation failed.I'm trying to connect to the connection created by gnome itself.$nmcli connection showHotspot             6db9bb0a-c61b-47fc-8ada-7ecd46873fc0  802-11-wireless  -- I followed the steps from here.
nmcli connection activation failed
networking;command line;networkmanager;wifi hotspot