Networking

Localhost vs. 127.0.0.1

February 24, 2022

Are localhost and 127.0.0.1 synonymous and if not how do they differ? Learn more about the differences and similarities between these two commonly used networking concepts.

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What Is 127.0.0.1 Localhost?

February 17, 2022

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.

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How to Install and Configure OpenVPN Access Server

January 17, 2022

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.

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How to Use the nslookup Command

January 13, 2022

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.

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NFS Docker Volumes: How to Create and Use

December 15, 2021

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.

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How to Use the ulimit Linux Command

December 9, 2021

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.

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How to Install Dig on Windows

December 8, 2021

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.

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Troubleshooting DNS Issues {nslookup, dig, host & More}

November 17, 2021

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

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Tracepath vs. Traceroute: What's the Difference?

October 12, 2021

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.

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403 Forbidden Error - What Is It and How to Fix It

October 7, 2021

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.

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