dnsmasq

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]# yum install dnsmasq

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]# cp /etc/dnsmasq.conf /etc/dnsmasq.conf.bak

]# vim /etc/dnsmasq.conf

#配置 dnsmasq 的上游 DNS 服务器

resolv-file=/etc/dnsmasq.d/external.resolv.conf

#设置 dnsmasq 同时监听本地和外部请求

listen-address=127.0.0.1,192.168.135.42

#不使用 /etc/hosts 文件，使用 /etc/dnsmasq.d/inside.dnsmasq.conf

no-hosts

addn-hosts=/etc/dnsmasq.d/inside.dnsmasq.conf

#对于 hosts 文件中的简单主机名，进行自动补齐，补齐的域名为 test.com

expand-hosts

domain=test.com

#记录每一条通过 dnsmasq 的请求

log-queries

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]# vim /etc/dnsmasq.d/inside.dnsmasq.conf

192.168.135.41  test-135-41

192.168.135.42  test-135-42

192.168.135.45  test-135-45

192.168.135.46  test-135-46

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]# vim /etc/dnsmasq.d/external.resolv.conf

nameserver 192.168.47.1

nameserver 192.168.47.2

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]# vim /etc/resolv.conf

nameserver 127.0.0.1

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]# vim /etc/hosts

27.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4 test-135-42

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

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]# /etc/init.d/dnsmasq start

]# chkconfig dnsmasq on