(1)add interface
[root@server ~]#cd /etc/sysconfig/network-scripts
[root@server ~]#vi ifcfg-eth0
DEVICE="eth2"
BOOTPROTO="dhcp"
HWADDR="00:02:C9:27:59:FE"
NM_CONTROLLED="yes"
ONBOOT="yes"
TYPE="Ethernet"
IPV6INIT="no"
(2)If set ip, will not active after reboot.
When we set some ip address, after reboot or services restart will not active. This means that we have to kill the temporary store ip address. This often occur when we had a dhcp Ip address, then we wants to change to a static. But i also found out that if i wants to change a new network card, will also happen, the ip will not change.
Please set ip address first, then clear this.
[root@server ~]#cd /etc/udev/rules.d
[root@server ~]#rm 70-persistent-net.rules
(3) show ip address
[root@server ~]#ifconfig
(4) show ip interface
[root@server ~]#ip a
(5) ethtool - query or control network driver and hardware settings
ethtool ethernet interface
#ethtool eth0
(6) enable your interface
#ifdown eth0
#ifup eth0
(7) ping
ping ip address
ping -c 1 ipaddress ==>ping one second
(8) Search dhcp client ip address, or bmc ip address
cat /var/log/messages | grep BMC MAC address
example: cat /var/log/messages | grep xx:xx:xx:xx:xx:xx
(9) changed Server name
vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=putXX
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