Networking

Networking configuration, diagnostics, and troubleshooting.

Command-line network bandwidth monitoring tools on Linux: iftop, nload, bmon, and vnstat

May 28, 2026 • 7 min read

Network Bandwidth Monitoring Tools: iftop, nload, bmon, and vnstat

Compare nload, iftop, bmon, and vnstat for checking Linux network bandwidth in real time and tracking historical traffic usage.

What is localhost and how the loopback interface works

May 27, 2026 • 6 min read

localhost: 127.0.0.1 and Loopback Explained

Localhost is the hostname for your own computer. This guide explains how localhost, 127.0.0.1, ::1, loopback, /etc/hosts, and 0.0.0.0 work on Linux and other systems.

nmcli command managing NetworkManager connections in Linux

May 17, 2026 • 7 min read

nmcli Command in Linux: NetworkManager CLI Reference

The nmcli command manages NetworkManager from the terminal. This guide covers device status, Wi-Fi connections, static IP configuration, DNS settings, and scripting-friendly output.

Apr 27, 2026 • 6 min read

How to Configure Static IP Address on Ubuntu

This guide explains how to set up a static IP address on Ubuntu servers and desktop systems using Netplan or GNOME Settings.

Static IP address configuration on Ubuntu

Apr 21, 2026 • 3 min read

How to Find Your IP Address in Linux

Several ways to find your private and public IP address in Linux using the ip command, dig, and curl, from a single command to shell script usage.

Sep 17, 2021 • 8 min read

IPv4 vs IPv6

The Internet Protocol (IP) is a set of rules for that specifies addressing and routing the data between computers.

Mar 9, 2020 • 5 min read

How to Configure Static IP Address on Ubuntu 18.04

In this tutorial we'll explain how to set up static IP address on Ubuntu 18.04. Setting a static IP address on your Ubuntu machine may be required in different situations, such as configuring port forwarding or running a media server on your network.