I don't find it in your link, but I see it here if I search for that file name on the interneehttp://ftp.u-picardie.fr/pub/mirror/lin ... fs-config/Sorry, yes your link worked as well
, I can see it under /n/ntfs-config, both the link I searched for and your has the same files..resolver 'archive.ubuntu.com'
Anyway, the problem in your message is a failure to resolve the domain name (dns name to IP address)
--so, you will have to reheck your network settings
cat /etc/resolv.confnetstat -rnifconfig or iwconfig or iwlist for wireless networks
# Generated by NetworkManager
--You could also use traceroute to trace your network connections to either an IP address or dns name..apt search traceroute
i traceroute - Traces the route taken by packets over an