第一次安装发现不支持集成网卡！
买了一张采用因特尔芯片的网卡装上
安装时选择了dhcp功能，装好了上不了网！
不选择dhcp功能，选了dns功能，装好了上不了网！
不选择dhcp功能，不选dns功能，装好后不能上网 ！
#
# Copyright 2006 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# ident "@(#)nsswitch.files 1.14 06/05/03 SMI"
#
# /etc/nsswitch.files:
#
# 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 dns
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
printers: user files
auth_attr: files
prof_attr: files
project: files
tnrhtp: files
tnrhdb: files
文件中的dns为新加内容
nameserver 192.168.1.1
重起后可以上网。
