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I have a script that I use to change my wallpaper. I'd like it to change the background presented by LightDM when I turn the computer on too, however:

1) Using an image on /home means that LightDM won't be able to read it unless I'm logged in. 2) Using sudo to copy the file to /usr/share/backgrounds everytime I want to change my wallpaper is impractical.

Is there a way to avoid using sudo, and another place to store the wallpaper? Making /usr/share/backgrounds a public folder with chmod is an option?

  • Edit /etc/lightdm/lightdm-gtk-greeter.conf file. – Ipor Sircer May 13 '18 at 10:42
  • Not using lightdm-gtk though. I'm using Lightdm Slick (lightdm-slick-greeter). And how come editing the configuration file will help, if the issue is about folder access? – Renato Oliveira May 13 '18 at 12:22

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