vincentbernat.i3wm-configur.../systemd/redshift@.service

[Unit]
Description=Set color temperature
PartOf=graphical-session@%i.target

[Service]
Environment=DISPLAY=%I
ExecStart=/usr/bin/redshift -l 2.35:48.87 -t 6500:3900

[Install]
WantedBy=graphical-session@%i.target
systemd: tentative to manage session with systemd To me, I think it was cleaner to have a parameter with the current display. This way, the session is specific to the current display. It seems BindsTo doesn't think this way. 2020-01-19 18:36:36 +01:00			`[Unit]`
			`Description=Set color temperature`
			`PartOf=graphical-session@%i.target`

			`[Service]`
			`Environment=DISPLAY=%I`
			`ExecStart=/usr/bin/redshift -l 2.35:48.87 -t 6500:3900`

			`[Install]`
			`WantedBy=graphical-session@%i.target`