/etc/yum.repos.d/base.repo[base]name=basebaseurl=http://instructor.example.com/pub/rhel6/dvdgpgcheck=0yumlist

fdisk-l
fdisk-cu/dev/vdapneorpselectedefault(first):enterdefault(last):enterndefault(first):enterdefault(first):+754Mt(1-5)l:82pw
#reboot
#mkswap/dev/vda5
vim/etc/fstab/dev/vda5swapswapdefaults00wq
mount-a
swapon-a
swapon-s

see explanation below. Explanation 1. Configure Host Name
vim /etc/sysconfig/network NETWORKING=yes HOSTNAME=dtop5.dn.ws.com GATEWAY=172.28.10.1 2. Configure IP Address, Gateway and DNS Configure the network by Network Manager:

Note: Please remember to choose two options:
Connect automatically
Available to all users Click "Apply", save and exit, and restart your network services:
# Service network restart 3. Validate these profiles: a) Check gateway:
# vim / etc / sysconfig / network NETWORKING=yes HOSTNAME=dtop5.dn.ws.com GATEWAY=172.28.10.1 b) Check Host Name:
# vim /etc/hosts

c) Check DNS:
# vim /etc/resolv.conf
# Generated by NetworkManager Search dn.ws.com Nameserver 172.28.10.1 d) Check Gateway:
# vim /etc/sysconfig/network-scripts/ifcfg-eth0

see explanation below. Explanation system-config-authentication &

vi/etc/sysconfig/networkGATEWAY=192.168.0.254ORvi/etc/sysconf/network-scripts/ifcfg-eth0DEVICE=eth0BOOTPROTO=staticONBOOT=yesIPADDR=192.168.0.?NETMASK=255.255.255.0GATEWAY=192.168.0.254
servicenetworkrestartGatewaydefinesthewaytoexitthepackets.AccordingtoquestionSystemworkingasarouterfortwonetworkshaveIPAddress192.168.0.254and192.168.1.254.