续：dns配置更新(from fc5 to fc6)

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1确定系统环境

[root@localhost var]# uname -r

2.6.18-1.2798.fc6

[root@localhost var]# getconf WORD_BIT

[root@localhost var]# uname -a

Linux localhost.localdomain 2.6.18-1.2798.fc6 #1 SMP Mon Oct 16 14:37:32 EDT 2006 i686 i686 i386 GNU/Linux

[root@localhost var]# rpm -qa|grep bind

bind-libs-9.3.2-41.fc6

bind-utils-9.3.2-41.fc6

bind-9.3.2-41.fc6

ypbind-1.19-5

bind-chroot-9.3.2-41.fc6

2 修改resolv.conf, 添加dns服务器ip（高亮）

; generated by /sbin/dhclient-script

search localdomain

nameserver 192.168.128.128

3 修改named.caching-nameserver.conf

// named.caching-nameserver.conf

// Provided by Red Hat caching-nameserver package to configure the

// ISC BIND named(8) DNS server as a caching only nameserver

// (as a localhost DNS resolver only).

// See /usr/share/doc/bind*/sample/ for example named configuration files.

// DO NOT EDIT THIS FILE - use system-config-bind or an editor

// to create named.conf - edits to this file will be lost on

// caching-nameserver package upgrade.

options {

listen-on port 53 { 192.168.128.128; };

listen-on-v6 port 53 { ::1; };

directory "/var/named";

dump-file "/var/named/data/cache_dump.db";

statistics-file "/var/named/data/named_stats.txt";

memstatistics-file "/var/named/data/named_mem_stats.txt";

query-source port 53;

query-source-v6 port 53;

allow-query { localhost; };

};

logging {

channel default_debug {

file "data/named.run";

severity dynamic;

};

view localhost_resolver {

match-clients { localhost; };

match-destinations { localhost; };

recursion yes;

include "/etc/named.rfc1912.zones";

};

3 修改named.rfc1912.zones

// named.rfc1912.zones:

// Provided by Red Hat caching-nameserver package

// ISC BIND named zone configuration for zones recommended by

// RFC 1912 section 4.1 : localhost TLDs and address zones

// See /usr/share/doc/bind*/sample/ for example named configuration files.

zone "." IN {

type hint;

file "named.ca";

};

zone "localdomain" IN {

type master;

file "localdomain.zone";

allow-update { none; };

};

zone "localhost" IN {

type master;

file "localhost.zone";

allow-update { none; };

};

zone "0.0.127.in-addr.arpa" IN {

type master;

file "named.local";

allow-update { none; };

};

// resolve domain

zone "sirius.com" in {

type master;

file "name2ip.conf";

allow-update { none; };

allow-transfer { any; };

};

// resolved domain

zone "128.168.192.in-addr.arpa" {

type master;

file "ip2name.conf";

allow-update { none; };

allow-transfer { any; };

};

zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {

type master;

file "named.ip6.local";

allow-update { none; };

};

zone "255.in-addr.arpa" IN {

type master;

file "named.broadcast";

allow-update { none; };

};

zone "0.in-addr.arpa" IN {

type master;

file "named.zero";

allow-update { none; };

};

4 在/var/named/chroot/var/named目录下添加name2ip.conf和ip2name.conf两个文件。

name2ip.conf

$TTL 86400

@ IN SOA xx.sirius.com. root.xx.sirius.com. (

2000062900; serial #serial number

28800; refresh # refresh cycle, seconds

14400; retry # redo cycle

3600000; expire # ending time

86400 ); minuum # time to live

@ IN NS xx.sirius.com.

NS xx.sirius.com.

MX 10 mail.sirius.com.

localhost IN A 127.0.0.1

xx IN A 192.168.128.128

chunju IN A 192.168.1.101

hao IN A 192.168.1.100

www IN CNAME xx

ip2name.conf

$TTL 86400

@ IN SOA xx.sirius.com. root.xx.sirius.com. (

2000062900; serial #serial number

28800; refresh # refresh cycle, seconds

14400; retry # redo cycle

3600000; expire # ending time

86400 ); minuum # time to live

IN NS xx.sirius.com.

128 IN PTR xx.sirius.com.

5 测试。比较常用的就是查看日志.

more /var/log/messages|grep named

6 常用命令

service named start

service named stop

service named status

dig

小结:比fc5.0的控制文件和zone文件混合在一起，现在数据分开的方式能更好的处理控制和配置的数据信息。配置时主要查看控制文件，数据文件，正向解析和逆向解析四个文件。有问题主要通过参看日志的报错信息，其它方面的更新还没有仔细看。先把应用跑起来，有时间再仔细看看。:)