how do you connect local via console or remote via (whatever) ? you must have you X server running.
When you are local You can open a terminal window ? (xterm, ...) (note: Handling is more easy if you have a windowmanager running) now you must be able to try "xrandr -q" inside the terminal window. hope that help, re, wh Am 17.02.2017 12:45, schrieb sajeevan k: > Hi Przemek, > > My original question was regarding xrandr command. > > Now I am able to open a window as per a small qt progam in the LCD display. > > But still xrandr is not showing the outputs. It is showing no protocol > specified. > > root@localhost:~# xrandr > No protocol specified > Can't open display :0.0 > root@localhost:~# > > Am I missing something? > > Thanks for the help. > > Sajeevan.K > > > > > On Thursday, February 16, 2017 at 5:58:28 PM UTC+5:30, sajeevan k wrote: >> >> Hi Przemek, >> >> Initially I was not aware of the X server. With a detailed study about X >> server and X window system, I could solve this issue. >> Thank You for the information and help. >> >> Thanks & Regards, >> Sajeevan.K >> >> >> >> >> >> >> >> >> On Wednesday, February 15, 2017 at 10:00:01 PM UTC+5:30, Przemek Klosowski >> wrote: >>> >>> On Wed, Feb 15, 2017 at 12:23 AM, sajeevan k <saje...@laxven.com> wrote: >>>> I stated the X server with startx command. >>>> Also now a default display is coming in the LCD display(which may be >>> the >>>> BBB's default display) >>> That's good. I don't know about the erorrs---it looks like the GL >>> software rendering is turned off but simple X should work now. >>> >>>> Now I tried to run a simpleQt program, by opening another terminal. But >>> it >>>> is only showing the following message in the terminal. >>>> >>>> root@localhost:~# ./simpleQt >>>> QXcbConnection: Could not connect to display >>> >>> Are you doing that from the same terminal as the one you ran startx >>> from? What is the value of the DISPLAY environment variable? >>> >>> Try doing >>> DISPLAY=:0 ./simpleQt >>> >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/58A6ED9D.60606%40bfs.de. For more options, visit https://groups.google.com/d/optout.
