慢摇舞曲下载,谁能百里挑一姜方舟,超级中国第五集
设置主从dns的主要是为了冗余，分担压力，防止服务器宕机后，dns无法正常解析。
正常配置
dns服务。
[root@localhost ~]# hostnamectl set-hostname master [root@localhost ~]# bash
[root@master ~]# yum install bind bind-utils -y
[root@master ~]# vim /etc/named.conf
我要评论listen-on port 53 { 192.168.28.128; };
allow-query { any; };
[root@master ~]# vim /etc/named.rfc1912.zones
zone "yun.com" in {
type master;
file "yun.com.zone";
allow-update { none; };
};
zone "100.168.192.in-addr.arpa" in {
type master;
file "100.168.192.zone";
allow-update { none; };
};
[root@master ~]# cd /var/named/
[root@master named]# cp -p named.localhost yun.com.zone
[root@master named]# vim yun.com.zone
$ttl 1d
@ in soa yun.com admin.yun.com. (
0 ; serial
1d ; refresh
1h ; retry
1w ; expire
3h ) ; minimum
in ns yun.com.
in a 192.168.28.128
in mx 10 mail.yun.com.
www in a 192.168.100.10
ftp in a 192.168.100.20
bbs in cname www
* in a 8.8.8.8
[root@master named]# cp -p yun.com.zone 100.168.192.zone
[root@master named]# vim 100.168.192.zone
$ttl 1d
@ in soa yun.com admin.yun.com. (
0 ; serial
1d ; refresh
1h ; retry
1w ; expire
3h ) ; minimum
in ns yun.com.
in a 192.168.28.128
10 in ptr www.yun.com.
20 in ptr ftp.yun.com.
[root@master ~]# systemctl start named [root@master ~]# systemctl enable named created symlink from /etc/systemd/system/multi-user.target.wants/named.service to /usr/lib/systemd/system/named.service.
[root@master ~]# netstat -ntuap | grep named tcp 0 0 192.168.28.128:53 0.0.0.0:* listen 34822/named tcp 0 0 127.0.0.1:953 0.0.0.0:* listen 34822/named tcp6 0 0 ::1:53 :::* listen 34822/named tcp6 0 0 ::1:953 :::* listen 34822/named udp 0 0 192.168.28.128:53 0.0.0.0:* 34822/named udp6 0 0 ::1:53 :::* 34822/named
[root@master ~]# systemctl stop firewalld [root@master ~]# setenforce 0
dns地址[root@master ~]# vim /etc/resolv.conf # generated by networkmanager search localdomain nameserver 192.168.28.128
[root@master ~]# nslookup www.yun.com server: 192.168.28.128 address: 192.168.28.128#53 name: www.yun.com address: 192.168.100.10 [root@master ~]# nslookup ftp.yun.com server: 192.168.28.128 address: 192.168.28.128#53 name: ftp.yun.com address: 192.168.100.20 [root@master ~]# nslookup bbs.yun.com server: 192.168.28.128 address: 192.168.28.128#53 bbs.yun.com canonical name = www.yun.com. name: www.yun.com address: 192.168.100.10 [root@master ~]# nslookup asd.yun.com server: 192.168.28.128 address: 192.168.28.128#53 name: asd.yun.com address: 8.8.8.8
[root@master ~]# nslookup 192.168.100.10 server: 192.168.28.128 address: 192.168.28.128#53 10.100.168.192.in-addr.arpa name = www.yun.com. [root@master ~]# nslookup 192.168.100.20 server: 192.168.28.128 address: 192.168.28.128#53 20.100.168.192.in-addr.arpa name = ftp.yun.com.
这是最重要的一步，允许传送。配置好后重启服务。
[root@master ~]# vim /etc/named.rfc1912.zones
zone "yun.com" in {
type master;
file "yun.com.zone";
allow-transfer { 192.168.28.129; };
allow-update { none; };
};
zone "100.168.192.in-addr.arpa" in {
type master;
file "100.168.192.zone";
allow-transfer { 192.168.28.129; };
allow-update { none; };
};
[root@localhost ~]# hostnamectl set-hostname slave [root@localhost ~]# bash
[root@slave ~]# yum install bind bind-utils -y
[root@slave ~]# vim /etc/named.conf
listen-on port 53 { 192.168.28.129; };
allow-query { any; };
[root@slave ~]# vim /etc/named.rfc1912.zones
zone "yun.com" in {
type slave;
file "slaves/yun.com.zone";
masters { 192.168.28.128; };
allow-update { none; };
};
zone "100.168.192.in-addr.arpa" in {
type slave;
file "slaves/100.168.192.zone";
masters { 192.168.28.128; };
allow-update { none; };
};
[root@slave ~]# systemctl start named [root@slave ~]# systemctl enable named created symlink from /etc/systemd/system/multi-user.target.wants/named.service to /usr/lib/systemd/system/named.service.
[root@slave ~]# netstat -ntuap | grep named tcp 0 0 192.168.28.129:53 0.0.0.0:* listen 1661/named tcp 0 0 127.0.0.1:953 0.0.0.0:* listen 1661/named tcp6 0 0 ::1:53 :::* listen 1661/named tcp6 0 0 ::1:953 :::* listen 1661/named udp 0 0 192.168.28.129:53 0.0.0.0:* 1661/named udp6 0 0 ::1:53 :::* 1661/named
[root@slave ~]# systemctl stop firewalld [root@slave ~]# setenforce 0
[root@slave ~]# ll /var/named/slaves/ total 8 -rw-r--r--. 1 named named 378 sep 12 02:11 100.168.192.zone -rw-r--r--. 1 named named 392 sep 12 02:11 yun.com.zone
dns地址[root@slave ~]# vim /etc/resolv.conf # generated by networkmanager search localdomain nameserver 192.168.28.129
[root@slave ~]# nslookup www.yun.com server: 192.168.28.129 address: 192.168.28.129#53 name: www.yun.com address: 192.168.100.10 [root@slave ~]# nslookup ftp.yun.com server: 192.168.28.129 address: 192.168.28.129#53 name: ftp.yun.com address: 192.168.100.20 [root@slave ~]# nslookup bbs.yun.com server: 192.168.28.129 address: 192.168.28.129#53 bbs.yun.com canonical name = www.yun.com. name: www.yun.com address: 192.168.100.10 [root@slave ~]# nslookup asd.yun.com server: 192.168.28.129 address: 192.168.28.129#53 name: asd.yun.com address: 8.8.8.8
[root@slave ~]# nslookup 192.168.100.10 server: 192.168.28.129 address: 192.168.28.129#53 10.100.168.192.in-addr.arpa name = www.yun.com. [root@slave ~]# nslookup 192.168.100.20 server: 192.168.28.129 address: 192.168.28.129#53 20.100.168.192.in-addr.arpa name = ftp.yun.com.
如对本文有疑问，请在下面进行留言讨论，广大热心网友会与你互动！！ 点击进行留言回复
linux下文本编辑器vim的使用方法(复制、粘贴、替换、行号、撤销、多文件操作)
网友评论