If you want to start eclipse with a specific version of Java, use the -vm option.

C:\eclipse\eclipse.exe -vm C:\jdk1.6.0_26\bin\javaw.exe

I just couldn’t resist posting this one – Just Awesome! This was LIVE and not edited
Don’t miss them singing together at the end.

A complete tutorial can be found on LinuxHomeNetworking
A quick fix that could work for you is to simply add the DNS Server to /etc/resolv.conf

vi /etc/resolv.conf

search google.com
nameserver 192.168.10.9
nameserver 192.168.10.58
nameserver 192.168.10.114

This is just an example, you need to know your DNS server(s)