Disble screen updates and upgrade notifications

cookbooks/boxcutter_site_settings/recipes/default.rb

@@ -46,6 +46,14 @@
     end
   end
 
+  package 'snapd' do
+    action :upgrade
+  end
+
+  service 'snapd' do
+    action [:eanble, :start]
+  end
+
   # Some snap applications will refuse to start if the snap daemon is disabled
   # so instead put auto-updates on pause
   # https://snapcraft.io/docs/managing-updates
@@ -55,6 +63,12 @@
     only_if { ::File.exist?('/usr/bin/snap') }
     action :run
   end
+
+  file '/etc/update-manager/release-upgrades' do
+    owner node.root_user
+    group node.root_group
+    mode '0644'
+  end
 end
 
 include_recipe 'boxcutter_users'

cookbooks/boxcutter_ubuntu_desktop/files/00_default

@@ -1,2 +1,4 @@
 [org/gnome/desktop/screensaver]
 lock-enabled=false
+[org/gnome/desktop/session]
+idle-delay=uint32 0

cookbooks/boxcutter_ubuntu_desktop/recipes/default.rb

@@ -56,6 +56,7 @@
   mode '0644'
 end
 
+# gdm settings are stored in dconf
 %w{
   /etc/dconf
   /etc/dconf/db