Fetched 1843 kB in 4s (435 kB/s)Reading package lists... Donesudo: unable to resolve host ubuntuReading package lists... DoneBuilding dependency treeReading state information... DoneSome packages could not be installed. This may mean that you haverequested an impossible situation or if you are using the unstabledistribution that some required packages have not yet been createdor been moved out of Incoming.The following information may help to resolve the situation:The following packa