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	Enterprise Hadoop cluster architecture - DNS installation
	Add Date : 2018-11-21



	Enterprise Hadoop cluster architecture - DNS installed 1. Configure IP vi / etc / sysconfig / network-scripts / ifcfg-eno16777736 systemctl restart network.service ip -4 addr ping 192.168.1.1 vi / etc / hostname ddd the following line: dns.hadoop.com Install DNS Packages yum -y install bind bind-utils bind-chroot rpm -qa \| grep '^ bind' Modify /etc/named.conf listen-on port 53 {any;}; # the original 127.0.0.1 to any allow-query {any;}; # the original localhost to any Modify named.rfc1912.zones Add into the next content :( can also write directly in /etc/named.conf) zone "hadoop.com" IN { type master; file "named.hadoop.com"; allow-update {none;}; }; zone '1.168.192.in-addr.arpa "IN { type master; file "named.192.168.1.zone"; allow-update {none;}; }; Forward configuration file parsing cp named.localhost named.hadoop.com Then add the following to the file named.hadoop.com $ TTL 1D @ IN SOA dns.hadoop.com. Grid.dns.hadoop.com. ( 0; serial 1D; refresh 1H; retry 1W; expire 3H); minimum NS dns.hadoop.com. dns.hadoop.com. IN A 192.168.1.230 h1.hadoop.com. IN A 192.168.1.231 h2.hadoop.com. IN A 192.168.1.232 h3.hadoop.com. IN A 192.168.1.233 h4.hadoop.com. IN A 192.168.1.234 h5.hadoop.com. IN A 192.168.1.235 h6.hadoop.com. IN A 192.168.1.236 h7.hadoop.com. IN A 192.168.1.237 h8.hadoop.com. IN A 192.168.1.238 Configure reverse lookup file cp named.localhost named.192.168.1.zone And add the following: $ TTL 1D @ IN SOA dns.hadoop.com. Grid.dns.hadoop.com ( 0; serial 1D; refresh 1H; retry 1W; expire 3H); minimum NS dns.hadoop.com. 231 IN PTR h1.hadoop.com. 232 IN PTR h2.hadoop.com. 233 IN PTR h3.hadoop.com. 234 IN PTR h4.hadoop.com. 235 IN PTR h5.hadoop.com. 236 IN PTR h6.hadoop.com. 237 IN PTR h7.hadoop.com. 238 IN PTR h8.hadoop.com. View Log tail -30 / var / log / messages \| grep named Adding DNS server IP resolve (Machine's IP configuration file which each node is added DNS1 = 192.168.1.230) Start DNS # Start DNS systemctl start named.service # Set from the start systemctl start named.service # View the DNS status systemctl status named.service



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