ubuntu-core-config has been available since Ubuntu 14.10 (https://launchpad.net/ubuntu/+source/ubuntu-core-config/+publishinghistory?batch=75&memo=75&start=75)
ubuntu-core-config has been available since Ubuntu 14.10 (https:/ /launchpad. net/ubuntu/ +source/ ubuntu- core-config/ +publishinghist ory?batch= 75&memo= 75&start= 75)