Networking

Port forwarding allows proxy firewalls to redirect communication requests from one IP address and port to another. On Linux systems, port forwarding is frequently set up with the Iptables utility. This tutorial teaches you how to forward ports using Iptables.

Windows offers over 280 CMD commands to automate various tasks through the command prompt. Read this guide and grab our free cheat sheet to master the command prompt in no time.

The select() system call enables a program to keep track of multiple file descriptors.
In this article, learn about Linux select() in synchronous I/O multiplexing.

Python structs help pack and unpack raw byte data. Learn how to use the struct library in this guide through practical examples.

The port number is a virtual concept in computer networking that provides a network identifier for a specific service or application. This article shows how to open a port in Linux and use Linux networking tools to list and test open ports.

Linux networking stack includes a wide range of network interfaces, protocols, and other components. This article focuses on sockets, an important network data-transfer mechanism used to build networked applications, implement network protocols and provide network services.

New to HAProxy? Learn how you can use HAProxy to create a load balancer in no time. This guide provides a step-by-step working example of a load balancer on a local web server.

Samba is an open-source utility for Linux that enables file sharing between Linux machines and other operating systems. This tutorial teaches you how to install and configure Samba in Ubuntu.

How do we store data? Read about the definition, devices, and different types of data storage available today.

The ifconfig command is still widely used to configure any network interface in Linux. Read this tutorial and learn how ifconfig works.