实战solaris之域名系统文件配置
[实战solaris之域名系统文件配置]
一、摘要
实战solaris之域名系统文件配置，配置/etc/ nsswitch.conf 、resolv.conf 、hosts
使服务器能够访问(ping)域名。
二、正文
#ping
www.163.com
no answer from
www.163.com
1．配置nsswitch.conf文件，主要是hosts项，如下所示：
#vi /etc/nsswitch.conf
#
# /etc/nsswitch.files:
#
# An example file that could be copied over to /etc/nsswitch.conf; it
# does not use any naming service.
#
# "hosts:" and "services:" in this file are used only if the
# /etc/netconfig file has a "-" for nametoaddr_libs of "inet" transports.
passwd: files
group: files
hosts: files dns
ipnodes: files
networks: files
protocols:files
rpc: files
ethers: files
netmasks: files
bootparams: files
publickey:files
# At present there isn't a 'files' backend for netgroup;the system will
# figure it out pretty quickly, and won't use netgroups at all.
netgroup: files
automount:files
aliases: files
services: files
sendmailvars: files
printers: user files
auth_attr:files
prof_attr:files
project: files
hosts: files dns
/*此处配置说明先用files后用dns；files配置见/etc/hosts；dns配置见/etc/resolv.conf*/
2．配置hosts文件
hosts配置本地域名解析。
#vi /etc/hosts
#
# Internet host table
#
127.0.0.1 localhost
218.25.254.24 loghost
192.168.4.102 ora-vp
3．配置resolv.conf文件
/etc/resolv.conf配置远程域名解析服务器,如下202.96.64.68为域名服务器。
#vi /etc/resolv.conf
nameserver 202.96.64.68
如上配置,当ping loghost时，系统首先在/etc/hosts查找，由于nsswitch.conf文件中hosts项已配置，找到对应地址218.25.254.24；当ping
www.163.com
时，由于本地hosts没有找到匹配项，所以系统会访问resolv.conf中配置的域名服务器解析。
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holer
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本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u/16991/showart_343489.html
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