1.[-y install openssh openssh-clients openssh-server]
2.[-y install wget]
3.vi /etc/sysconfig/network-scripts/ifcfg-eth0
------------------
DEVICE=eth0 HWADDR=08:00:27:B3:B2:F1 TYPE=Ethernet UUID=78a0bbf8-e6cf-4428-8b2f-34be8507a63d ONBOOT=yes NM_CONTROLLED=yes BOOTPROTO=static IPADDR=10.0.5.100 NETMASK=255.255.252.0 GATEWAY=10.0.4.1 DNS1=10.2.255.19 DNS2=10.2.255.20
#] service network restart
DEVICE=eth0
HWADDR=08:00:27:F3:C9:86
TYPE=Ethernet
UUID=0d5dea2e-1866-40d5-8caf-22ca1e3260c2
ONBOOT=no
NM_CONTROLLED=yes
BOOTPROTO=dhcp
------------------
IPADDR=
NETMASK=
GATEWAY=
DNS1=
DNS2=
------------------