{ dconf.settings = { # this is like a system-wide dark mode switch that some apps respect # equivalent of the following dconf command: # `conf write /org/gnome/desktop/interface/color-scheme "'prefer-dark'"` "org/gnome/desktop/interface" = { color-scheme = "prefer-dark"; }; # tell virt-manager to use the system connection "org/virt-manager/virt-manager/connections" = { autoconnect = ["qemu:///system"]; uris = ["qemu:///system"]; }; }; }