由于安装了resolvconf包，开机自动覆盖resolv.conf.
找到 "/etc/resolvconf/resolv.conf.d/":
base - 空
head
original - 空
tail - 空
vim /etc/resolvconf/resolv.conf.d/head
# OpenDNS
nameserver 219.141.136.10
nameserver 219.150.32.132
由于安装了resolvconf包，开机自动覆盖resolv.conf.
找到 "/etc/resolvconf/resolv.conf.d/":
base - 空
head
original - 空
tail - 空
vim /etc/resolvconf/resolv.conf.d/head
# OpenDNS
nameserver 219.141.136.10
nameserver 219.150.32.132
