On Sep 02 22:49, vikram ranade wrote: > Sorry for my rather short post earlier.let me explain in detail. > > From the errors listed, it is clear that synaptic is unable to resolve the > relevant hostnames for the repository sites. > This could be due to your DNS setting not being correctly entered in the > network setup. > > an easy way to check this is to open the terminal and type the following - > ping [1]google.com > > If this does not give an error and [2]google.com can be pinged then the > DNS is ok and there is some other issue with your repo setup. > > If the ping gives an error then try the following in the terminal. > ping 8.8.8.8 > > if this also does not give an error then this means that your DNS is > improperly set-up. Add a public DNS server (like 8.8.8.8) or some other > DNS server ) to your network settings to correct this issue. > > If this also gives an error,then your machine does not have the required > Internet access and therefore cannot connect to the repos > > For the list to assist better please elaborate on the following details - > > 1. if the machine has a direct connection to the Internet via a gateway > (DSL or other)? > 2. if the machine connects to the Internet via proxy ?
Nice detailed troubleshooting here. Would like to add my bit: do check your /etc/resolv.conf (if Ubuntu still uses it?) to see which nameserver(s) your system is using. Try putting 8.8.8.8 there if you can ping it at all. -- Regards Chirag Anand http://atvariance.in/chiraganand -- Mailing list guidelines and other related articles: http://lug-iitd.org/Footer
