7 linux managing dns servers lpic 2 m7 slides kho tài liệu training

• • • • ns1 IN CNAME master.example.com web IN A 10.0.2.10 web IN A 10.0.3.10 web2 IN A 10.0.2.10 web3 IN A 10.0.3.10 web2 IN A 10.0.2.10 web3 IN A 10.0.3.10 web2 IN TXT “Network: Office1” web3 IN TXT “Network: Backbone” $ORIGIN example.com ns1 IN CNAME master.example.com $ORIGIN example.com @ IN SOA master.example.com root.example.com ( $ORIGIN example.com @ IN SOA master.example.com root.example.com ( … ) IN NS master.example.com logging { channel bind_log { file "bind.log" versions size 10m; severity warning; }; category default { bind_log; }; }; • • • • • • • $ sudo -u bind rndc reload # Reloads both config and zones $ sudo -u bind rndc reload example.com # Reloads just example $ sudo -u bind rndc flush # Clear the cache $ sudo -u bind rndc querylog # Toggles the query log category • • • • • ... IN CNAME master.example.com web IN A 10.0 .2. 10 web IN A 10.0.3.10 web2 IN A 10.0 .2. 10 web3 IN A 10.0.3.10 web2 IN A 10.0 .2. 10 web3 IN A 10.0.3.10 web2 IN TXT “Network: Office1” web3 IN TXT “Network: