打 setup 沒有網卡等其它設定...這時可以手動 yum 安裝就可以...
安裝指令：
＃yum install -y setuptool system-config-securitylevel-tui authconfig system-config-network-tui ntsysv
每一個package的描述如下：
setuptool : text setup tool console
system-config-securitylevel-tui : for configuring the firewall
authconfig : for configuring authentication
system-config-network-tui : for configuring the network
ntsysv : for configuring the system services
system-config-securitylevel-tui : for configuring the firewall
authconfig : for configuring authentication
system-config-network-tui : for configuring the network
ntsysv : for configuring the system services