Networking

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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How to Enable SSH on VMware ESXi


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.

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How to Resolve the "Temporary failure in name resolution" Error

October 6, 2021

The "Temporary failure in name resolution" error appears when the system is unable to translate a website name into an IP address. While the error can appear due to a lost internet connection, there are multiple other reasons why it may show on your system. This tutorial will guide you through steps need to troubleshoot and fix the error.

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How to Migrate NSX-V to NSX-T

September 30, 2021

Introduction VMware NSX-V, or NSX for vSphere, to NSX-T migration is a hot topic as the deadline to complete the transition is coming soon. NSX-V's end-of-support date is January 16, 2022. The development will not continue, and the support will be limited until the EoTG a year later. However, the official end-of-support date is not […]

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What is SSH?

September 22, 2021

The SSH protocol offers system administrators a way to establish a secure connection that will protect them against malicious cyber-attacks, such as password-sniffing. This article offers an overview of the function, terminology and use cases of SSH.

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What Is a Pretty Hostname and How to Set It Up


A pretty hostname is a high-level, free-dorm label used to identify a system in a network. This tutorial shows different ways you can set up a pretty hostname on a Linux system.

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DNS Record Types Explained

September 20, 2021

DNS (Domain Name System) records are used to store information about domains such as IP addresses, aliases, and security certificates. Learn more about different types of DNS records in this tutorial.

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Linux curl Command Explained with Examples

September 16, 2021

Linux offers multiple tools for data transfer to and from a server, the most popular being curl and wget. This tutorial will show you how to use the curl command, and provide you with an exhaustive list of the supported protocols and available options.

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What Is Reverse DNS and How Does It Work?

August 19, 2021

This article explains the concept of reverse DNS and its uses. See how to perform rDNS lookup in Windows and Linux.

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