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QxcbConnection Error!



2019 Community Moderator Electionbmake error on Mandrive: “bmake: no system rules (sys.mk)”What is the meaning of this error: example: Is a directorySlight change to command to compile C++ program causes errorError installing grub on bootable USB driveXpra server error (error accepting new connection)Linux - Cannot connect using ssh keyerror: ‘TCP_NODELAY’ was not declared in this scopecollect2: error: ld returned 1 exit status Makefile:107: recipe for target ‘binary’ failed make: *** [binary] Error 1chpst execution as another user fails cryptically










0















I am trying to run a program namely "rosnode" by entering command "rosrun turtlesim turtlesim_node". The command is suppose to open up a window of program, but what it does is give the following error:



QXcbConnection: Could not connect to display :0.0
Aborted (core dumped)


How can I fix this error?
Thanks










share|improve this question














bumped to the homepage by Community 3 hours ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.



















    0















    I am trying to run a program namely "rosnode" by entering command "rosrun turtlesim turtlesim_node". The command is suppose to open up a window of program, but what it does is give the following error:



    QXcbConnection: Could not connect to display :0.0
    Aborted (core dumped)


    How can I fix this error?
    Thanks










    share|improve this question














    bumped to the homepage by Community 3 hours ago


    This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

















      0












      0








      0








      I am trying to run a program namely "rosnode" by entering command "rosrun turtlesim turtlesim_node". The command is suppose to open up a window of program, but what it does is give the following error:



      QXcbConnection: Could not connect to display :0.0
      Aborted (core dumped)


      How can I fix this error?
      Thanks










      share|improve this question














      I am trying to run a program namely "rosnode" by entering command "rosrun turtlesim turtlesim_node". The command is suppose to open up a window of program, but what it does is give the following error:



      QXcbConnection: Could not connect to display :0.0
      Aborted (core dumped)


      How can I fix this error?
      Thanks







      linux command-line compiling






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked May 26 '17 at 2:51









      Isam AbdullahIsam Abdullah

      1




      1





      bumped to the homepage by Community 3 hours ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







      bumped to the homepage by Community 3 hours ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.






















          1 Answer
          1






          active

          oldest

          votes


















          0














          Try below commands and then try again



          export DISPLAY=:0


          or



          export DISPLAY=:0.0





          share|improve this answer























          • I tried both commands, but gives the same error except the corresponding 0 or 0.0 at the end of display.

            – Isam Abdullah
            May 26 '17 at 8:09











          • I googled it a bit and people were suggesting some ssh, but I didn't know how to do that.

            – Isam Abdullah
            May 26 '17 at 8:10










          Your Answer








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          1 Answer
          1






          active

          oldest

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          active

          oldest

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          active

          oldest

          votes









          0














          Try below commands and then try again



          export DISPLAY=:0


          or



          export DISPLAY=:0.0





          share|improve this answer























          • I tried both commands, but gives the same error except the corresponding 0 or 0.0 at the end of display.

            – Isam Abdullah
            May 26 '17 at 8:09











          • I googled it a bit and people were suggesting some ssh, but I didn't know how to do that.

            – Isam Abdullah
            May 26 '17 at 8:10















          0














          Try below commands and then try again



          export DISPLAY=:0


          or



          export DISPLAY=:0.0





          share|improve this answer























          • I tried both commands, but gives the same error except the corresponding 0 or 0.0 at the end of display.

            – Isam Abdullah
            May 26 '17 at 8:09











          • I googled it a bit and people were suggesting some ssh, but I didn't know how to do that.

            – Isam Abdullah
            May 26 '17 at 8:10













          0












          0








          0







          Try below commands and then try again



          export DISPLAY=:0


          or



          export DISPLAY=:0.0





          share|improve this answer













          Try below commands and then try again



          export DISPLAY=:0


          or



          export DISPLAY=:0.0






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered May 26 '17 at 3:11









          rɑːdʒɑrɑːdʒɑ

          2,63972652




          2,63972652












          • I tried both commands, but gives the same error except the corresponding 0 or 0.0 at the end of display.

            – Isam Abdullah
            May 26 '17 at 8:09











          • I googled it a bit and people were suggesting some ssh, but I didn't know how to do that.

            – Isam Abdullah
            May 26 '17 at 8:10

















          • I tried both commands, but gives the same error except the corresponding 0 or 0.0 at the end of display.

            – Isam Abdullah
            May 26 '17 at 8:09











          • I googled it a bit and people were suggesting some ssh, but I didn't know how to do that.

            – Isam Abdullah
            May 26 '17 at 8:10
















          I tried both commands, but gives the same error except the corresponding 0 or 0.0 at the end of display.

          – Isam Abdullah
          May 26 '17 at 8:09





          I tried both commands, but gives the same error except the corresponding 0 or 0.0 at the end of display.

          – Isam Abdullah
          May 26 '17 at 8:09













          I googled it a bit and people were suggesting some ssh, but I didn't know how to do that.

          – Isam Abdullah
          May 26 '17 at 8:10





          I googled it a bit and people were suggesting some ssh, but I didn't know how to do that.

          – Isam Abdullah
          May 26 '17 at 8:10

















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