Networking

Localhost is essential for hosting web apps locally, as well as testing applications. Learn what localhost is and why it is synonymous to the IP address 127.0.0.1.

Follow the steps and instructions in this guide to learn how to create an OpenVPN account, set up the network in Cloud Director, and successfully install OpenVPN Access Server.

Access to Domain Name System (DNS) records of a website is important for troubleshooting network related problems. This tutorial will introduce nslookup, a cross-platform command for querying servers and obtaining domain records.

Using Docker volumes is a convenient way to set up persistent storage for your Docker containers. Aside from normal directories, Docker allows users to mount directories shared over NFS. This tutorial will show you how to create and mount NFS Docker volumes.

The ulimit shell command allows you to view or limit the amount of resources a user can consume. Limiting resources prevents adverse effects in the system when a user or program consumes all the available resources.

The dig command is frequently used by network and system administrators to perform DNS lookups. This tutorial shows you how to install dig on Windows using BIND.

DNS issues can be troublesome. This tutorial offers some useful tips and troubleshooting methods to help you pinpoint and resolve DNS problems.

Tracepath and Traceroute are two terminal commands with a very similar output. Learn how to use both commands and the difference between the two in this guide.

The 403 Forbidden error appears when you are trying to access content, but the access is denied. This article deals with different ways of fixing the 403 error.

Choose an option to enable SSH on ESXi and follow the steps in one of the three methods. The guide provides detailed instructions how to successfully complete the task.