This question already has an answer here:
After I installed el Capitan, Little Snitch started complaining about
gamed trying to phone home. Research in the net revealed various suggestions, including
- logging out from the Game Centre
sudo defaults write /System/Library/LaunchAgents/com.apple.gamed Disabled -bool true
<key>Disabled</key><true/>to gamed's plist
- rename the
OK. I wasn't logged into the Game Centre.
launchctl unload isn't pervasive across reboots (nor is the cruder
killall -9 gamed).
sudo default write... had no effect.
So I sudo'ed into
/System/Library/LaunchAgents and tried to edit
com.apple.gamed.plist. Try as I would, I couldn't get write permission for the file. The same happened when I tried to rename the
What has Apple done to permissions? There don't seem to be any special ACLs on
/System/Library/..., but root cannot change files for which root has
rw permissions. (This explains presumably why
sudo default write... had no effect.)
Has anyone else seen this? Is there any way round it?