On Tuesday 29 April 2014 15:30:23 Divya Subramanian wrote: > Hi, > > I want to run .mp4 files using smplayer on a13-olinuxio board. I > have installed debian on it. But whenever I run the file on > terminal I get this > > No protocol specified > smplayer: cannot connect to X server :0 > > > Please help > Regards, > > Divya Subramanian are you running smplayer as root?