#/bin/bash 
 # Copyright Kalin KOZHUHAROV <kalin@ThinRope.net> 
 
 HOST="Compaq" 
 DOMAIN="2516EA" 
 # the IP address of our DNS cache (some call it server, WRONG!) 
 CACHE="192.168.1.1" 
 
 # If you have tried before, clean up 
 echo "Cleaning..." 
 for f in /etc/{{host,{dns,nis}domain}name,resolv.conf,hosts}; do mv $f $f-bAcKUP 2>/dev/null;done 
 rc-update del domainname >/dev/null 2>&1 
 
 # Create the files needed: 
 echo "Creating the files needed..." 
 echo ${HOSTNAME} >/etc/hostname 
 echo -e "127.0.0.1\t\t${HOST}.${DOMAIN} ${HOST} localhost" >/etc/hosts 
 echo -e "domain ${DOMAIN}\nsearch ${DOMAIN}\nnameserver ${CACHE}"    >/etc/resolv.conf 
 
 echo "Updating your config..." 
 hostname -F /etc/hostname 
 rc-update add hostname boot >/dev/null 2>&1 
 
 # check what we have done 
 echo "Checking..." 
 set -x 
 hostname 
 dnsdomainname 
 hostname -s 
 hostname -d 
 hostname -f 
 set +x 
 echo 
 echo "=====================================================================" 
 echo "If you are satisfied with the results, delete the old files by doing:" 
 echo -e '\trm -f /etc/*-bAcKUP' 
 echo 
 echo "You can also see how did your config change by:" 
 echo -e '\tfor f in /etc/{{host,{dns,nis}domain}name,resolv.conf,hosts}; do diff -u $f-bAcKUP $f;done' 
 echo "====================================================================="