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I wanted to send a popup on boot with zenify:

zenity --info --text="`hostname -I`" --title="Rpi Local IP" --display=:0.0

So here is my service file:

[Unit] Description=Display IP at boot After=networking.service graphical.target Wants=networking.service graphical.target [Service] User=pi Environment=DISPLAY=:0.0 Environment=XAUTHORITY=/home/pi/.Xauthority ExecStart=/bin/bash -c 'zenity --info --text="`hostname -I`" --title="Rpi Local IP" --display=:0.0' [Install] WantedBy=graphical.target

An error occured everytime:

raspberrypi bash[530]: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused raspberrypi zenity[530]: cannot open display: :0.0

If I add like 10 seconds of sleep before starts my service : ExecStartPre=/bin/sleep 10, everything works well.

Where is my mistake ?

Thank you :) !

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1 Answer 1

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4

Finally managed thanks to this post. Let's say my service file will be "boot_ip.service". First of all, don't create the service as a system service but as a USER service.

Here is the service file ~/.config/systemd/user/boot_ip.service:

[Unit] Description=bootIp PartOf=graphical-session.target [Service] ExecStart=/bin/bash -c 'zenity --info --text="`hostname -I`" --title="Rpi Local IP" --display=:0.0' [Install] WantedBy=xsession.target

Then create a file called ~/.config/systemd/user/xsession.target:

[Unit] Description=Xsession running BindsTo=graphical-session.target

This file will indicate that the graphical environment is ready.

Then create a file called .xsessionrc (if I create file .xsession as mentionned in the topic, my graphic environement is broken and I can't even do a simple login so be careful):

systemctl --user import-environment PATH DBUS_SESSION_BUS_ADDRESS systemctl --no-block --user start xsession.target

This file will be executed once the user is logged in. As you can see, this file will start xsession.target and this will start our service boot_ip.service, problem solved ;) .

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  • sorry i voted this up -- but now i tried it and it doesn't work (unit script still does not have access to display) Commented Feb 23, 2024 at 21:13
  • sudo systemctl --user import-environment PATH DBUS_SESSION_BUS_ADDRESS Failed to connect to bus: No medium found Commented Feb 21 at 18:34

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