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I am getting this error whenever I try to edit the /etc/sysctl.conf file:

(gedit:8114): WARNING **: Command line
  `dbus-launch --autolaunch=0a05f0b5ab33a20fb928363b00000005 --binary-syntax --close-stderr'
    exited with non-zero exit status 1: Autolaunch error: X11 initialization failed.\n
     Cannot open display:

Can anyone help me on this?

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