Networking

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.

Learn how to list and delete iptables rules and protect your system.
This tutorial will teach you how to harvest the full potential of the Linux firewall.

This article explains what SNMP is, its basic components, and how it woks. See which network monitoring tools are available and get started with network management today.

Connections between locations within a data center require careful planning to minimize data transfer latency and avoid congestions. This article discusses the cross connect, an important data center connectivity type.

PowerDNS is a flexible open source DNS server. This guide outlines the setup of PowerDNS with a MariaDB backend, the PowerDNS Admin web interface and how to link the API.