Shell 스크립트는 간단한 DHCP 및 DNS 서비스를 원클릭으로 불러옵니다.

간단한 DHCP 서비스

이 스크립트 구성: 소속 서버의 정적 IP 주소: 192.168.100.100(이 점만 사용자 정의가 필요함)

#! /bin/bash
# DHCP

yum install dhcp -y 
wangka="/etc/sysconfig/network-scripts/ifcfg-ens33"
# 

sed -i -e '/BOOTPROTO/s/dhcp/static/g' -e '/ONBOOT/aIPADDR=192.168.100.100
NETMASK=255.255.255.0
GATEWAY=192.168.100.1' $wangka
systemctl restart network
# IP 

muban="/usr/share/doc/dhcp-4.2.5/dhcpd.conf.example"
peizhi="/etc/dhcp/dhcpd.conf"
[ ! -e "$peizhi.bak" ] && cp $peizhi $peizhi.bak
# ， ， 

cp $muban $peizhi
sed -i '29asubnet 192.168.100.0  netmask 255.255.255.0 {
 range 192.168.100.120 192.168.100.150\;
 option routers 192.168.100.1\;
}' $peizhi
systemctl start dhcpd
systemctl stop firewalld
setenforce 0
# ， 

간단한 DNS 정방향 분석 서비스

스크립트 구성: 소속 서버 IP 주소: 192.168.116.131

#!/bin/bash &>/dev/null
# DNS

rpm -q bind
if [ $? -ne 0 ];then
        yum install bind -y
        systemctl start named
fi
#DNS 

read -p " （ ：test.com）" yu
quanju="/etc/named.conf"
quyu="/etc/named.rfc1912.zones"
[ ! -e $quanju.bak ] && cp $quanju $quanju.bak
  sed -i -e '13s/127.0.0.1/192.168.116.131/' -e '21s/localhost/any/' $quanju 
[ ! -e $quyu.bak ] && cp $quyu $quyu.bak
# 、 

grep "$yu" $quyu &> /dev/null
while [ $? -ne 0 ];do
  sed -i "18azone \"$yu\" IN {
  type master\;
  file \"$yu.dns\"\;
}\;
" $quyu
  peizhi="/var/named/$yu.dns"
cp -p /var/named/named.localhost $peizhi
done
# ， 

sed -i -e '2d' -e "1a@       IN SOA  "$yu"\. admin\."$yu"\. (" /var/named/$yu.dns
sed -i '8d' /var/named/$yu.dns
sed -i '$d' /var/named/$yu.dns
sed -i -e "7a\  NS  $yu." -e "/A/s/127.0.0.1/192.168.116.131/" /var/named/$yu.dns
# 

while [ 1 -ge 0 ];do
    read -p " A （ ：www  IN A 8.8.8.8）" zhen
    echo $zhen >> /var/named/$yu.dns
    read -p " (y/n)" a
 if [ $a != "y" ];then
   break
fi
done
# 

systemctl restart named
jieguo=`systemctl status named | grep "active" &>/dev/null`
if [ $? -eq 0 ];then
  echo " "
else
  echo " "
fi
# 

sed -i 's/116.2/116.131/g' /etc/resolv.conf
#