problima me to localhost !!!!!!

[Kefalas Apostolos]

> p.x. kati san Coputer name sta window$ opote paw sto /etc/hosts kai to
> fernw 

alla3e to pali kai xrhsimopoihse thn entolh hostname gia na alla3eis to
onoma tou pc 
> Kai to problima einai to eksis: den mporw na kanw ping sto 127.0.0.1
> eite 

check the lo interface if it is up