centos 7 static ip address configuration

The important items in the output should be that the interface is in an UP state AND the inet address is correct (and inet6 if defined). Ping -c 4 The output will be something like: Now you will need to take the interface 'down' and then back 'up' again using the following commands: ifdown eno16777728Įxecute these commands to check your changes have been applied and that they are working: ip addr Press Tab until the Quit button is highlighted and then press Enter You will be returned to the 'Select A Device' screen. Press Tab until the OK button is selected press Enter to save the changes The following screenshot is an example configuration: If you want to define a static IPv6 address, follow the same steps above for the IPv6 CONFIGURATION section. Repeat these steps for the Gateway IP and DNS Servers fields Type a valid address with using CIDR notation, for example 10.25.40.70/16 Press Tab until you are on selector next to Addresses Press Tab until you are on (for IPv4) and press Enter Press Enter, select Manual from the list and press Enter

Press Tab on your keyboard until you are on selector next to IPv4 CONFIGURATION You will now be presented with the 'Edit Connection' screen. In this example eno16777728 is the default interface selected, press Enter You will presented with a list of devices: When you execute nmtui you will be prompted with a text based GUI: Please follow the steps in the 'Manual IP Configuration' section that explains how to do this. Manually configure address in config file. Once installed execute the command again and proceed with the next step. Install the package using yum (which assumes your server has internet access via it's DHCP address): yum install -y net-tools If you receive the following error: -bash: nmtui: command not found In your console session execute the command: nmtui There's an easy way to perform these changes using nmtui (a text based GUI). If you have version 6 please go to the RHEL 6 | CentOS 6 | Oracle Linux 6 section. Version 7 will output something like: CentOS Linux release (Core) If you are unsure what version of RHEL / CentOS your VM is running on you can execute the following command: cat /etc/centos-release These steps are for RHEL 7 | CentOS 7 | Oracle Linux 7. Due to the nature of these changes it is recommended that you perform the actions while logged onto the console of the server, performing the changes from an SSH session may disconnect you from the server.

Centos 7 static ip address configuration