On Fri, Sep 2, 2011 at 11:55 PM, Chirag Anand <[email protected]> wrote: > 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 >>
It shows "ping: unknown host 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 >> It shows "From 192.168.9.206 icmp_seq=1 Destination Net Unreachable" and icmp_seq value is increasing continuously. >> 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 ? > Yes. Actually I am using college LAN. And to browse I had to enter the proxy address in Firefox settings. I think this is the reason why I am not able to connect to repositories. Will u please let me know what to do now..? > 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 > -- Avinash Sonawane PICT Pune India -- Mailing list guidelines and other related articles: http://lug-iitd.org/Footer
