#让每台计算机都有固定的IP 脚本
####vim setup_dhcpd.sh
#!/bin/bash
read -p "Do you finished the IP's settings in every client (y/n)? "yn
read -p "How many PC's in this class (ex> 60)? " num
if [ "$yn" = "y" ]; then
for site in $(seq 1 ${num})
do
siteip="192.168.100.${site}"
allip="$allip $siteip"ping -c 1 -w 1 $siteip > /dev/null 2>&1
if [ "$?" =="0" ]; then
okip="$okip$siteip"
else
errorip="$errorip$siteip"
echo "$siteip isDOWN"
fi
done
[ -f dhcpd.conf ] && rmdhcpd.conf
for site in $allip
do
pcname=pc$(echo $site | cut -d'.' -f 4)
mac=$(arp -n | grep "$site" | awk '{print $3}')
echo " host $pcname {"
echo " hardware ethernet ${mac};"
echo " fixed-address ${site};"
echo " }"
echo " host $pcname{" >> dhcpd.conf
echo " hardware ethernet ${mac};" >> dhcpd.conf
echo " fixed-address${site};" >> dhcpd.conf
echo " }" >>dhcpd.conf
done
fi
echo "You can use dhcpd.conf (this directory) to modified your/etc/dhcp/dhcpd.conf" echo "Finished."
