Thus spake dkwok
> It is now working after add ip of viao to /etc/hosts. However, if this host
> obtain ip from dhcp server. It ips may change everytime, in this case, the
> host may not be able to use the remote printer if it is allocated with a
> different ip.

Just add all the IPs that DHCP could issue to your hosts file.  It doesn't
matter what the name is as long as it has one.  Just like the machine can
have a different IP each time it can have a different name.

-- 
D'Arcy J.M. Cain <darcy@{druid|vex}.net>   |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on
+1 416 425 1212     (DoD#0082)    (eNTP)   |  what's for dinner.