Splat Splat

Explain to me how to fix this:

root@baldur:~# ping jacobo
ping: unknown host jacobo
root@baldur:~# host jacobo
jacobo has address 10.0.0.21
root@baldur:~#


And I will write a 10 paragraph blog post about your adventures fighting the Serbs in a village in Monte Negro with nothing but a wrist-rocket and a pocket full of dreams.





MY HEAD IS GOING TO EXPLODE