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How to set and manage environment variables in Kubernetes
23 Feb 2023In this tutorial, learn when to use -- or not use -- environment variables in Kubernetes, and compare methods for setting and updating their values with example code. Read More
25 basic PowerShell commands for Windows administrators
21 Feb 2023Getting started with PowerShell or just need a quick refresher? This tip lists the most common PowerShell commands, with details on when to use them. Read More
PowerShell vs. Bash: Key differences explained
17 Mar 2023Windows admins have the option to use Bash, a Linux shell, but the command-line tool doesn't stack up one to one with PowerShell for Windows deployments. Read More
Ethical hacking: How to conduct a Sticky Keys hack
10 Aug 2022Physical security is often overlooked by cybersecurity teams. Learn about physical cybersecurity attacks in step-by-step instruction on how to conduct a Windows Sticky Keys hack. Read More
Dissect open source ransomware code to understand an attack
14 Nov 2022To protect your organization from ransomware, it's helpful to know what goes on behind the scenes. Unpack this ransomware code example to understand and defend against attacks. Read More
How to use Vim in Linux
13 Oct 2023This tutorial explains basic functions and commands used in Vim to complete simple tasks. Follow along to learn some beginner tips on how to install and use Vim in Linux. Read More
CLI commands every IT pro should know
25 Jan 2021This excerpt from 'CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition,' published by McGraw-Hill Education, provides an introduction into common command-line prompts for Windows, Linux and macOS. Read More
How to restore a Kubernetes cluster from an etcd snapshot
16 Dec 2021In case of an event that leads to the loss of a Kubernetes cluster, it's important to be restore-ready. Here's how to restore a cluster from an etcd snapshot with commands. Read More
When to use the Windows command prompt vs. PowerShell
17 Mar 2023The Windows command prompt and PowerShell can accomplish similar tasks, but how they do so might push users toward one option over the other. Check out these examples to see why. Read More
Follow these steps to remove the last Exchange Server
09 Nov 2022Organizations that were unable to uninstall their last Exchange Server from the on-premises environment can now do so if they fulfill the requirements. Read More