Install a web server for practice
1-1 yum -y install httpd # 웹서버 설치 1-2 systemctl restart httpd # 웹서비스 재시작 1-3 systemctl status httpd # 웹서비스 확인 1-4 vi /var/www/html/index.html # 웹 서버 초기 웹페이지 작성 Welcome to CentOS # 입력 후 저장Install and configure the BIND package on the server
BIND - DNS server software
2-1
yum -y install bind bind-chroot # DNS 서버 구성에 필수적인 package설치
2-2
systemctl restart named # named 재시작
2-3
systemctl status named # named 상태 확인
2-4
systemctl enable named # named 부팅시 자동 시작 설정
Configure the server for the clinger.com domain
3-1 vi /etc/named.conf #네임서버 설정 변경 12 options { 13 listen-on port 53 {any;}; //listen-on port 53 { 127.0.0.1; }; 14 listen-on-v6 port 53 { ::1; }; 15 directory "/var/named"; 16 dump-file "/var/named/data/cache_dump.db"; 17 statistics-file "/var/named/data/named_stats.txt"; 18 memstatistics-file "/var/named/data/named_mem_stats.txt"; 19 recursing-file "/var/named/data/named.recursing"; 20 secroots-file "/var/named/data/named.secroots"; 21 allow-query { any; }; //allow-query { localhost; }; ... 36 dnssec-validation no; //dnssec-validation yes; ... 62 zone "clinger.com" IN { 63 type master; 64 file "/var/named/clinger.com.db"; 65 allow-update { none; }; 66 }; 3-2 named-checkconf # 해당 named설정이 문제 없는지 확인 3-3 cd /var/named # clinger.com.db파일 생성을 위해 해당 디렉토리로 이동 3-4 touch clinger.com.db # clinger.com.db파일 생성 3-5 vi clinger.com.db 1 $TTL 3H 2 @ SOA @ root. (2 1D 1H 1W 1H) 3 IN NS @ 4 IN A 192.168.56.100 5 www IN A 192.168.56.100 3-6 named-checkzone clinger.com clinger.com.db # 해당 zone설정이 문제 없는지 확인 3-7 systemctl restart named # named 재시작 3-8 systemctl status named # named 상태 확인 3-9 vi /etc/resolv.conf # client server의 DNS서버를 방금 만든 DNS서버로 지정 1 Generated by NetworkManager 2 # search cloud.com 3 # nameserver 168.126.63.1 4 # nameserver 168.126.63.2 5 # nameserver 8.8.8.8 6 nameserver 192.168.56.100