Interface configuration (ifcfg) files control the software interfaces for individual network devices. As the system boots, it uses these files to determine what interfaces to bring up and how to configure them.

Apr 5, 2025 · Linux stores each network interface's IP addresses and other network-related settings in a separate network configuration file in the /etc/sysconfig/network-scripts directory. The naming convention uses the ifcfg— prefix and interface name.

Nov 22, 2018 · Network scripts are deprecated in Red Hat Enterprise Linux 8 and they are no longer provided by default. The basic installation provides a new version of the ifup and ifdown scripts which call the NetworkManager service through the nmcli tool.

Nov 10, 2024 · An ongoing list of Linux Networking Commands and Scripts. These commands and scripts can be used to configure or troubleshoot your Linux network.

Aug 3, 2022 · In the first article of this series, Get started with NetworkManager on Linux, I looked at what NetworkManager does and some of the tools it provides for viewing network connections and devices. I discussed using the nmcli command to view the status of network devices and connections on a host.

The term network scripts is commonly used for the script /etc/init.d/network and any other installed scripts it calls. The user supplied files are typically viewed as configuration, but can also be interpreted as an amendment to the scripts.

Jun 16, 2020 · In this lesson, you will understand everything about the basic network management in Linux. You will also know how to set a static IP using different NetworkManager utilities such as nmcli and nmtui. What Is Network Script/Network Service In Linux? What Is NetworkManager In Linux?

For each network interface, there is a corresponding interface configuration script. Each of these files provide information specific to a particular network interface.

In addition to the individual network interface configuration files in the /etc/sysconfig/network-scripts directory, there are other, more global network configuration files. These files are: This file associates host names with IP addresses. It resolves or looks up, an IP address when the hostname is known.

While the existence of interface files can differ from system to system, the three different types of files that exist in this directory, interface configuration files, interface control scripts, and network function files, work together to enable Red Hat Linux to use various network devices.