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Go to the /etc/sysconfig/network-scripts directory, and locate the configuration file of the interface ( ifcfg-enp0s3). Configure a Static IP Address without Network Manager We will be configuring a network interface named enp0s3. Here are two different ways to assign a static IP address to a network interface on CentOS 7. You can easily disable Network Manager for a particular interface, so that you can configure it on your own for a static IP address. If the output of nmcli shows connected for a particular interface (e.g., enp0s3 in this example), it means that the interface is managed by Network Manager. To check which network interface is managed by Network Manager, run: $ nmcli dev status To verify the status of Network Manager service: $ systemctl status rvice CentOS/RHEL 7 comes with Network Manager service installed and enabled by default.
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Network Manager is a dynamic network control and configuration system that attempts to keep network devices and connections up and active when they are available). If you want to set up a static IP address on a network interface in CentOS 7, there are several different ways to do it, varying depending on whether or not you want to use Network Manager for that. What is a proper way to assign a static IP address to a network interface permanently on CentOS or RHEL 7? Question: On CentOS 7, I want to switch from DHCP to static IP address configuration with one of my network interfaces.