<![CDATA[electron:837): Gtk-WARNING **: cannot open display: 0:]]>when run DISPLAY=0:0 npm start, i meet such error.

root@raspberrypi:~/MagicMirror # DISPLAY=0:0 npm start

> magicmirror@2.8.0 start /root/MagicMirror
> sh run-start.sh


(electron:837): Gtk-WARNING **: cannot open display: 0:0
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! magicmirror@2.8.0 start: `sh run-start.sh`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the magicmirror@2.8.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2019-08-01T14_29_27_057Z-debug.log

I have update the raspi-config to start with command line and text boot.
But error still here.
Any one can help me???

]]>https://forum.magicmirror.builders/topic/10883/electron-837-gtk-warning-cannot-open-display-0RSS for NodeSun, 07 Jun 2026 11:34:37 GMTThu, 01 Aug 2019 14:37:03 GMT60<![CDATA[Reply to electron:837): Gtk-WARNING **: cannot open display: 0: on Fri, 13 Sep 2019 09:08:51 GMT]]>I saw this just yesterday (followed by a few other warnings). Solution was to follow pretty much this ancient but still working how-to for jessie:
jessie-lite-installation-guide
(especially points describing “Install Xserver, LXDE-gui and lightdm” and missing packages)

]]>https://forum.magicmirror.builders/post/61216https://forum.magicmirror.builders/post/61216Fri, 13 Sep 2019 09:08:51 GMT<![CDATA[Reply to electron:837): Gtk-WARNING **: cannot open display: 0: on Sun, 08 Sep 2019 13:20:11 GMT]]>I saw this error because the raspi was set to Autologin as “pi” and I had created another user which could not take control of the display.

]]>https://forum.magicmirror.builders/post/61072https://forum.magicmirror.builders/post/61072Sun, 08 Sep 2019 13:20:11 GMT<![CDATA[Reply to electron:837): Gtk-WARNING **: cannot open display: 0: on Fri, 02 Aug 2019 17:20:16 GMT]]>@yohu12 this is the same as MagicMirror/installers/mm.sh

Are u doing this over vpn?

Also the operating system must have xwindows running…

]]>https://forum.magicmirror.builders/post/59692https://forum.magicmirror.builders/post/59692Fri, 02 Aug 2019 17:20:16 GMT<![CDATA[Reply to electron:837): Gtk-WARNING **: cannot open display: 0: on Fri, 02 Aug 2019 17:11:54 GMT]]>@sdetweil said in electron:837): Gtk-WARNING **: cannot open display: 0::

export DISPLAY=:0

It return same error

(electron:1493): Gtk-WARNING **: cannot open display: :0
]]>https://forum.magicmirror.builders/post/59691https://forum.magicmirror.builders/post/59691Fri, 02 Aug 2019 17:11:54 GMT<![CDATA[Reply to electron:837): Gtk-WARNING **: cannot open display: 0: on Thu, 01 Aug 2019 16:04:30 GMT]]>@yohu12 do it in two steps

export DISPLAY=:0
npm start
]]>https://forum.magicmirror.builders/post/59640https://forum.magicmirror.builders/post/59640Thu, 01 Aug 2019 16:04:30 GMT<![CDATA[Reply to electron:837): Gtk-WARNING **: cannot open display: 0: on Thu, 01 Aug 2019 14:47:12 GMT]]>And I can run startx to show the desktop screen on the monitor. only npm start is not work.

]]>https://forum.magicmirror.builders/post/59639https://forum.magicmirror.builders/post/59639Thu, 01 Aug 2019 14:47:12 GMT