CentOS -- Learning

&configure NIC&
#su
#Enter password for root
#service NetworkManager stop
#chkconfig NetworkManager off
#chkconfig NetworkManager --list
#vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE="eth0"

NM_CONTROLLED="yes"

ONBOOT=yes

TYPE=Ethernet

IPADDR=x.x.x.x

NETMASK=255.255.255.0

GATEWAY=x.x.x.x

DNS1=8.8.8.8

DEFROUTE=yes

#service network restart

&system update&

#yum update --skip-broken

&Disable SELinux&

#getenforce
Enforcing
#vi /etc/selinux/config
SELINUX=disabled
#reboot
#getenforce
Disabled