Clear DNS cache on a Mac
Every Mac caches resolved DNS queries. Sometimes you get entries which create problems. To get rid of them you have to options: reboot the machine. This is the bad one.…
Settings and parameters that can be done on the command line
Ubuntu do-release-upgrade reconnect
Usually I do a release upgrade over the network, using ssh with the command do-release-upgrade For some reasons the connection to the host I'm upgrading dies. No panic. Reconnect to…