通过resolvconf实现配置

resolvconfig应用可以实现DNS信息管理，可以通过下面的应用来安装此组件：

sudo apt-get install resolvconf

创建/etc/default/resolvconf缺省配置文件，添加相关环境变量

bob@ubuntu:/etc/resolvconf/resolv.conf.d$ cat /etc/default/resolvconf   

TRUNCATE_NAMESERVER_LIST_AFTER_127=no

该环境变量影响保存到/etc/resolv.conf的DNS配置条数。向/etc/resolvconf/resolv.conf.d/base配置文件中添加DNS配置项。

bob@ubuntu:/etc/resolvconf/resolv.conf.d$ cat base  

nameserver 10.220.0.11  

nameserver 10.220.0.12  

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使用下列配置命令使配置生效

sudo resolvconf -u