[root@paldo:/home/deloun]# ping google.com
PING google.com (72.14.207.99): 56 data bytes
64 bytes from 72.14.207.99: icmp_seq=0 ttl=242 time=106.629 ms
64 bytes from 72.14.207.99: icmp_seq=1 ttl=242 time=107.241 ms
64 bytes from 72.14.207.99: icmp_seq=2 ttl=242 time=104.502 ms
--- google.com ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max/stddev = 104.502/106.124/107.241/1.174 ms
[root@paldo:/home/deloun]# upkg-upgrade --verbose
Generating script...
could not resolve www.paldo.org, dropping this repository

Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object
  at Upkg.Application.Main (System.String[] args) [0x00000] 
Could not generate script!
[root@paldo:/home/deloun]# ping google.com
ping: unknown host
[root@paldo:/home/deloun]# ping google.com
ping: unknown host
[root@paldo:/home/deloun]# upkg-upgrade --verbose
Generating script...
could not resolve www.paldo.org, dropping this repository

Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object
  at Upkg.Application.Main (System.String[] args) [0x00000] 
Could not generate script!
[root@paldo:/home/deloun]# ping google.com
ping: unknown host