In that case, can you please try running: export http_proxy="http://proxyx1.uscs.susx.ac.uk:8080/"
before running the apt-get commands? -- network in unreachable with netmask 255.255.255.255 https://launchpad.net/bugs/50591 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs