Without DNS you will not be able to go to a website by name, on connect to anything else on the network unless you know the IP address. Now that the network interface is taken care of we need the final important piece of the puzzle, DNS. NOTE: Remember to place the name of your interface and your information in this file. Open the file in your favorite text editor and add or change the following lines. Let’s move on to editing the /etc/sysconfig/network-scripts/ifcfg-eth0 file. Of course you will need to make sure the configuration matches your system, this is just an example. Here w e will need to tell the system to turn on networking, the hostname of the machine and the gateway. If so, replace eth0 with the name of your device in the command above.įirst let’s edit /etc/sysconfig/network. NOTE: The name of your network interface may differ from eth0. /etc/sysconfig/network-scripts/ifcfg-eth0.Now that NM (NetworkManager) is out of the way we need to edit three files. Or systemctl enable network Edit Configuration Files Systemctl stop NetworkManager Enable network Service at BootĮnsure the network service is set to start at boot. Stop NetworkManager: service NetworkManager stop Since we are setting them statically we do not need it. This service is responsible for requesting DHCP addresses and configuring the network interfaces. The first thing I like to do is to turn off NetworkManager. You will need the following information in order to complete this configuration:
I am currently using CentOS 5.Ī: This is a simple task once you understand the files and changes involved.
#Centos 7 static ip command line how to#
Can you tell me simply how to configure CentOS or Red Hat for a static IP address. Q: I have come across a few how-to article on setting a static IP address but I always seem to get stuck.