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Redhat network interface configuration

Redhat Linux network interface names start with ethX. First Ethernet network interface name is eth0, second is eth1 and so on.

Login as a root user, use su – command:

$ su –

To list or display more information about network interface type command:

# ifconfig | less

To assign an IP address type following command:

# ifconfig eth0 192.168.1.1 up

To take down network interface type following command:

# ifconfig eth0 down

To configure network card using GUI tool type command:

# redhat-config-network

You can also type command setup and select network configuration from menu:

# setup

If you wish to configure network interface manually then you need to edit files stored in /etc/sysconfig/network-scripts/ directory. For example here is my sample /etc/sysconfig/network-scripts/ifcfg-eth0 file for eth0 network interface:

DEVICE=eth0
BOOTPROTO=static
BROADCAST=192.168.1.255
HWADDR=00:0F:EA:91:04:07
IPADDR=192.168.1.111
NETMASK=255.255.255.0
NETWORK=192.168.1.0
ONBOOT=yes
TYPE=Ethernet

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{ 10 comments… add one }
  • shailendra mishra December 10, 2010, 5:04 am

    i like this command and please more information on my mail id “”

  • Pedro Inácio February 22, 2011, 9:47 am

    Thanks you!

  • amir August 20, 2011, 8:02 am

    I just install red hat linux in vmware player and it shows in GUI mode so how i can change in command line interface.

    thanks

    • vflash August 29, 2011, 8:27 am

      open your terminel.

  • Mohamed September 25, 2011, 6:33 am

    HI Dears,

    I am a new user in linux and I install redhat 4 into my machine. but I can not configure the network card. when I tried what you describ here, I found eth0 only and when I used ifconfig comand, there is a message the command is not exist. But I can see the help of ifconfig.

    would you please help me to setup the network card step by step.

    Thank you

    • helper September 26, 2012, 8:41 am

      /sbin/ifconfig

  • Dinesh Rao April 8, 2013, 11:29 am

    Dear Sir,
    i like this command and please more information on my mail id &I am a new user in linux and I install redhat 4 into my machine. but I can not configure the network card. when I tried what you describ here, I found eth0 only and when I used ifconfig comand, there is a message the command is not exist. But I can see the help of ifconfig.& thangs

    would you please help me to setup the network card step by step.

    Thanks & Regards
    Dinesh Rao

  • aref ghobadi August 27, 2015, 6:24 pm

    Hi,
    thank you

  • Sanjay Manna November 27, 2015, 3:39 am

    Dear sir
    I used Ubuntu but using redhat 1st time, I am getting confused when i want to configure network manually, will u plz help me to configure network using gui interface.

    Thanks & Regards
    Sanjay Manna

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