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Bring yourself up to speed with our introductory content.
Get started
Bring yourself up to speed with our introductory content.
How to set up a chaos engineering game day
Is it fun to spend the day breaking stuff in a war room with your coworkers? Of course, but more than that, it's vital to the security and stability of certain applications. Continue Reading
Embedded hypervisor use simplifies hardware, improves performance
Admins who use embedded systems generally see improved performance in VM instances, but improper implementation of hypervisors can lead to system and processor latency. Continue Reading
Build up your knowledge of leaf-spine network technology
As organizations deal with challenges of single tree path networks, many admins are considering leaf-spine architectures. Learn the ways its topology helps latency and data flow. Continue Reading
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Perform Nagios configuration step by step
Nagios Core helps IT teams monitor system uptime and availability -- but first, they have to install and configure the tool properly. Follow this video tutorial to get started. Continue Reading
How is SD-WAN as a service different from managed SD-WAN?
SD-WAN technology is available in a variety of business models, including SD-WAN as a service and managed SD-WAN. But how do the different consumption models compare? Continue Reading
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Definitions to Get Started
- What is an API (application programming interface)?
- What is a SAN? Ultimate storage area network guide
- What is a data retention policy?
- What is multi-access edge computing? Benefits and use cases
- What is 5G?
- What is 6G? Overview of 6G networks & technology
- phase-locked loop (PLL)
- What is millimeter wave (mmWave)?
Updated Exchange Online PowerShell module adds reliability, speed
Microsoft assists Exchange Online administrators who rely on PowerShell by reworking the underlying functionality of several cmdlets used to manage the hosted email platform.Continue Reading
What does 'network on demand' mean for enterprises?
Following the on-demand trend, network on-demand options provide enterprises with more flexible consumption models, such as managed network services and cloud-based networking.Continue Reading
HPC services bring computational power to more organizations
Navigating HPC colocation requires knowledge of power, uptime and security demands. Deploying such services can bring innovative opportunities for organizations.Continue Reading
3 ways IT teams can use PowerShell in AI initiatives
As they embark on AIOps strategies, IT admins -- particularly those in Windows shops -- can lean on a familiar tool for data gathering and issue remediation: PowerShell.Continue Reading
Plan a successful migration to HPC colocation
If your organization decides to host its HPC hardware in a colocated data center, ensure a smooth migration with proper location selection, security measures and application testing.Continue Reading
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Follow this Ansible Vault example for encryption best practices
IT admins can choose between two types of encryption methods when they use Ansible Vault: file-level and variable-level. Walk through each model with this brief video.Continue Reading
What is the difference between SIT and UAT?
User acceptance testing and system integration testing differ in one key way: the person who does the testing. Learn when to apply UAT vs. SIT.Continue Reading
What is a microkernel architecture, and is it right for you?
Apps aren't limited to monolith and microservices architecture. Discover the benefits of a microkernel, common plugins and the apps best suited for this type of architecture.Continue Reading
Break monoliths into microservices with 3 steps
To decompose a monolith into microservices, you could take the application offline or halt all updates and rewrite everything. Or you could follow this practical approach.Continue Reading
What's behind today's IT infrastructure modernization strategies?
See how businesses have altered operating environments, applications and processes to meet IT infrastructure modernization goals, their budgets and how far along they've gotten.Continue Reading
Dig into Kubernetes pod deployment for optimal container use
Improve your Kubernetes deployment strategy with balanced application hosting and sound pod-to-nodes mapping. Learn the ins and outs of resource pools and Kubernetes communication.Continue Reading
The advantages of SAN technology in an HCI world
Is your organization debating whether to replace its SAN with hyper-converged storage? Know the questions to ask, SAN's advantages for certain applications and more.Continue Reading
How to approach Kubernetes multi-tenancy for resource isolation
Multi-tenancy in Kubernetes can partition IT resources and operations, but it can be tricky to determine just how much isolation is necessary.Continue Reading
What is the difference between LoRa and LoRaWAN?
LoRa is a modulation technique for specific wireless spectrum, while LoRaWAN is an open protocol that enables IoT devices to use LoRa for communication.Continue Reading
Build a SaaS disaster recovery plan for IT automation tools
While cloud-based IT automation software offers speed and flexibility, it poses the same potential risk of other hosted tools: a loss of availability during an outage.Continue Reading
What is network verification and do enterprises need it?
Network verification can help organizations gain critical network performance insight and alleviate network complexity. But aspects of the concept are new and not yet mainstream.Continue Reading
What is USSD (Unstructured Supplementary Service Data)?
USSD (Unstructured Supplementary Service Data) is a GSM (Global System for Mobile) communications protocol that is used to send text messages.Continue Reading
How to create clear, collaborative user story maps
Messy or unclear user story maps quickly lead to confusion and contention. Read on to learn how to structure your maps and create a shared understanding of them.Continue Reading
5 FAQs on the low-code approach
Low-code might be the future, but it faces a learning curve in the present. Learn about low-code, no-code and citizen development basics with these FAQs.Continue Reading
Virtualization skills admins must have in 2020
Industry experts Sander van Vugt, Brian Kirsch and Stuart Burns weigh in on what skills virtualization admins must have in 2020 to better meet growing industry demands.Continue Reading
Heed these core Scrum values to see measurable change
Why isn't Scrum paying off in faster software development and better user satisfaction with the product? Perhaps you adopted the framework without the values, says Ryan Ripley.Continue Reading
The future of UX research: Measure the unquantifiable
Applications capture more information than ever about their users, from heart rate to tone of voice. Prepare for a connected software future with qualitative UX measurements.Continue Reading
Fundamental patterns for service discovery in microservices
Service discovery is a huge part of managing a microservices-based application. We examine helpful service discovery patterns developers can use for clean service interaction.Continue Reading
Why to use staging environments for IT infrastructure testing
A well-built and efficient staging environment pays off in a more stable production deployment. For this reason, IT ops teams should perform isolated infrastructure tests in staging.Continue Reading
5 storage class memory queries answered
Find out if emerging SCM technology is right for your organization with this look at the benefits, uses and products, as well as what to assess when considering it.Continue Reading
Put these Terraform best practices into action
Terraform enables IT teams to complete a range of tasks, from deployment to multi-cloud management. Apply this collection of best practices to get started with, or optimize your use of, the IaC tool.Continue Reading
Get to know cloud IoT services on AWS, Azure and Google Cloud
Use this rundown of IoT offerings from AWS, Microsoft and Google to help decide which best suits your needs for collecting, processing and analyzing device data in the cloud.Continue Reading
Test your NVMe-oF storage acumen
Do you know the basics about implementing, enhancing and monitoring NVMe-oF? Check out our quiz to see if you're up to speed on this rapidly maturing technology.Continue Reading
Use this Nagios monitoring tutorial for proactive IT monitoring
Learn how to install and run Nagios to monitor your organization's IT assets. Follow these steps so you're prepared to catch problems before they get out of hand.Continue Reading
How to use Selenium IDE for record and playback testing
Testers can use a tool like Selenium IDE for test automation to efficiently check web app interfaces. Here's how to put the open source tool to work in no time.Continue Reading
5 big microservices pitfalls to avoid during migration
Too many development teams make these failure-inducing mistakes during a switch to microservices. Learn where things go wrong, and the best ways to avoid problems.Continue Reading
Learn the main Linux OS components
Linux is one operating choice to run on your infrastructure. Get started with these terms to discover how the OS works and how it differs from Microsoft and Apple offerings.Continue Reading
Know your role in the cloud shared responsibility model
The shared responsibility model of cloud security keeps data safe -- except when it doesn't. Prevent your workloads from being the next target of hackers.Continue Reading
Test your knowledge of vRealize Suite components updates
VMware's vRealize Suite continues to evolve with new updates to popular components. Find out how well you've kept up with the latest developments in vRealize Suite 2019.Continue Reading
Try 10 practice questions for the CCNP, CCIE ENCOR 350-401
This practice quiz for CCNP and CCIE ENCOR 350-401 explores what readers must know about IP routing essentials -- including BGP and OSPF -- from the new certification guidebook.Continue Reading
How Cisco certification changes alter CCNP and CCIE tracks
Here's what to expect from the colossal Cisco certification changes to the CCNP and CCIE tracks that aim to increase material relevance and benefit network engineers' daily lives.Continue Reading
Prepare for CCNP, CCIE ENCOR 350-401 with this guide preview
Here's an excerpt from the new 'CCNP and CCIE ENCOR 350-401 Official Cert Guide' that provides the key IP routing essentials network engineers require for their job roles.Continue Reading
Optimize platform costs, use with an IT asset management strategy
Without a thorough asset management plan that accounts for the complexities of today's IT environments, organizations risk cost inefficiencies and suboptimal support for the business.Continue Reading
Use these CloudWatch features to improve AWS app monitoring
Amazon CloudWatch ServiceLens, Synthetics and Contributor Insights give users more ways to monitor their AWS applications. Find out how these features work before you get started.Continue Reading
Practical advice to integrate IT systems after a merger
A merger or acquisition can devour an IT administrator's time in many ways -- from running and supporting parallel sets of infrastructure to managing automation and security.Continue Reading
Deploy and configure WSUS 2019 for Windows patching needs
You can update your Microsoft software with a few tools, but Windows Server Update Services is the go-to for many administrators who want a reliable patch deployment platform.Continue Reading
Learn 5 defensive programming techniques from experts
How do you become a good programmer? Accept that you have bad programming habits. The authors of 'The Pragmatic Programmer' share tips for defensive code creation.Continue Reading
A guide to GPU implementation and activation
Data center GPU usage goes beyond hardware. Admins must work with vendors and developers to have the right software architecture and code to benefit from GPUs.Continue Reading
AWS Local Zones offers low latency, with clear limitations
Get to know Local Zones, the AWS infrastructure deployment service built for customers that need to run low-latency applications in specific areas far from AWS Regions.Continue Reading
How do I build a cloud-ready network?
IT teams can prepare their networks for cloud migrations by planning around their applications, security strategies, remote users and WAN performance.Continue Reading
Compare cloud migration services for data and server needs
A cloud migration can be stressful, especially when it comes to getting started. Services are available to assist with the task, so here's where to turn.Continue Reading
Real-world developers' low-code examples focus on productivity
Two enterprise IT organizations share the benefits their dev teams gained from different low-code platforms, the process issues the tools exposed and how teams can get started.Continue Reading
Key components for negotiating an HPC colocation contract
When it comes to HPC colocation, there are specialized areas to cover in a service-level agreement. Review provider protocols for power, security and network connectivity.Continue Reading
Popular microservices testing tools developers should know about
Testing microservices gets messy as services are independent and communicate often. Here are tests necessary for microservices, and popular tools developers use to perform them.Continue Reading
Adopt the 4 foundations of Agile collaboration
Foster a positive team environment and culture to accomplish the collaboration goals of Agile. Here's how to synchronize teams and boost efficiency, as well as tools that help.Continue Reading
4 considerations for vSphere disk provisioning
To provision disk space in vSphere, consider the following: The size of data stores you require, thin vs. thick provisioning, storage acceleration and managing free disk space.Continue Reading
Visual Studio Code vs. the native console for PowerShell debugging
Unsure whether to debug a PowerShell script in Visual Studio Code or the PowerShell console? Follow this tutorial to make the decision a little easier.Continue Reading
A glossary of network terms for management and monitoring
This glossary of network terms specifically highlights network management and monitoring processes. Explore these 12 key terms and concise definitions.Continue Reading
How to carefully plan a database migration to the cloud
Plenty of organizations decide to migrate databases to the cloud. Is it the right move? Consider application type, provider lock-in and the appeal of cloud-specific features.Continue Reading
What's new with PowerShell error handling?
PowerShell 7 introduces a new cmdlet to assist administrators who wanted a better way to find out what broke in the scripts they wrote to manage their systems.Continue Reading
Good cloud migration planning helps avert downtime
Is your on-premises application ready to function in the cloud? The right preparation will help you to avoid downtime during a cloud migration.Continue Reading
Understand business value to advance your networking career
Network pros can use the CAR mindset -- challenge, action and result -- to better match their networking initiatives with business goals and advance their career opportunities.Continue Reading
A few fundamental microservices team structure strategies
A microservices architecture can be quite a culture shock to unprepared enterprises. Here's how you can prepare your team to make microservices part of development processes.Continue Reading
What's the difference between SD-branch vs. SD-WAN?
As networking pros evaluate SD-branch vs. SD-WAN, they'll notice a key distinction between the two technologies, namely how network functions are managed and orchestrated.Continue Reading
Quiz yourself on Agile project management principles
Agile started out as a simple concept, which grew into a full-blown development methodology with many styles. Take this quiz to see how much you know about Agile project management.Continue Reading
Make the case for a technology refresh strategy
A good portion of IT budgets are spent maintaining aging hardware. Energy efficiency, failure rates and potential downtime costs are all ways to justify regular hardware updates.Continue Reading
Get a handle on AWS costs with these tips and tools
It's normal for your AWS bill to fluctuate, but don't let it spike for the wrong reasons. Take these steps to avoid unnecessary charges and keep your cloud costs in check.Continue Reading
Best practices for Hyper-V template creation
Admins can streamline template creation through Hyper-V SCVMM with a few best practices, such as evaluating whether a VM is the right fit for template creation.Continue Reading
A look inside 'CCNA 200-301 Official Cert Guide, Volume 2'
Network security is a crucial skills area for network engineers, and the CCNA 200-301 reflects this. Here's a chapter excerpt on network security from the new guide.Continue Reading
Traditional, emerging topics unite in the new CCNA exam
As of Feb. 24, all eyes are on the CCNA 200-301 exam -- Cisco's latest update to the CCNA track. Here's a look at what's on the exam and how it compares to previous CCNA exams.Continue Reading
Experts explain how AWS Lambda works internally
AWS Lambda introduces its fair share of benefits and problems. In case you missed it, here are three expert tips to help serverless functions find a comfortable place within your software systems.Continue Reading
Build a DevOps feedback loop with these CI/CD tools
From Azure DevOps to Jenkins, DevOps teams can choose from a number of CI/CD tools to enable and maintain a continuous loop of feedback.Continue Reading
Multi-cloud adoption is the future, so be prepared
The move towards multi-cloud is imminent for most enterprises, according to IDC. Find out what this means for organizations and how they will need to adapt.Continue Reading
Why is a data archive plan important?
A data archiving plan might not be simply important for your organization -- it could be necessary, given legal and compliance requirements. Make sure you're ahead of the game.Continue Reading
Project management tools and strategies: Gantt charts, PERT charts and PM planning tools
In project management, charts can visualize work in progress -- and there are many ways to do so. Learn how Agile teams use Gantt, PERT, burn down and other charts to stay on track.Continue Reading
Learn best practices for cloud automation on Microsoft Azure
Check out these best practices for workload automation on Microsoft Azure. Review the tools and techniques that can free your IT team to focus on more important responsibilities.Continue Reading
How to write a good software bug report
When it comes to defect reporting, the more detail, the better. Here's how to produce defect reports that get bugs fixed fast.Continue Reading
Illustrated guide to hyper-converged edge computing
Hyper-converged systems can help reduce network strain by making it possible to send only the most valuable and relevant data to centralized remote data centers or the cloud.Continue Reading
The 3 fundamentals of hybrid cloud architecture management
When an enterprise chooses hybrid cloud, it needs to ensure the application harmonizes between the two environments. Review these three tips on architecture, integration and APIs.Continue Reading
A look at AWS antipatterns: What not to do in the cloud
In this Q&A, Clive Harber, co-author of "Implementing Cloud Design Patterns for AWS," breaks down why traditional enterprises sometimes struggle to establish efficient cloud design patterns.Continue Reading
Ensure Kubernetes high availability with master node planning
Kubernetes ensures high availability in its worker nodes, but for a mission-critical workload, IT teams should take these extra steps for redundancy in the master node components.Continue Reading
PowerShell 7 features admins should examine
The next version of the administrative tool introduces several features, including a new cmdlet to assist with troubleshooting errors.Continue Reading
Increase data center efficiency with the NSX-T load balancer
When creating a load balancer, the NSX-T Data Center software is a likely contender, but you must have the necessary NSX-T components, such as tier 0 and tier 1 routers, before beginning.Continue Reading
Test your Nutanix hyper-converged infrastructure knowledge
Do you know what it takes to deploy, maintain and secure Nutanix hyper-converged hardware and software? Take our quiz to see how deep your Nutanix knowledge and expertise runs.Continue Reading
IT incident management best practices to minimize disruptions
IT issues can come out of nowhere, but an incident response plan can guide teams through troubled times. Follow these best practices to optimize each part of the plan.Continue Reading
How to install the Windows Server 2019 VPN
A VPN prevents unauthorized users from gaining access to critical resources in your organization. This tutorial covers the deployment on Windows Server 2019.Continue Reading
How well do you know PowerCLI cmdlets?
Take this eight-question quiz to determine how much you know about PowerCLI and its cmdlets -- the short scripts that enable you to automate nearly anything.Continue Reading
What's the difference between thin and thick SD-WAN branch offices?
When rolling out software-defined WAN, you'll need to consider the current makeup of your branch offices. For instance, are applications on-site or in the cloud?Continue Reading
Dive into functional testing and non-functional testing approaches
Don't get trapped in a white or black box -- or the gray area in between. Here's why functional and non-functional app testing are complementary ways to ensure end user satisfaction.Continue Reading
Beat vendor lock-in with a cloud exit strategy
Without a comprehensive cloud exit strategy, an organization might fall victim to vendor lock-in and find itself dependent on proprietary tools and services.Continue Reading
Use multiple Dockerfiles for complex application configuration
Dockerfiles can help with application configurations, but there are some questions you must consider, such as how many Dockerfiles each application requires.Continue Reading
Walk through common use cases for built-in Terraform functions
Follow along with this Terraform tutorial to learn and apply various types of built-in functions -- including Numeric, String, and Date and Time -- within the IaC tool.Continue Reading
Compare Paramiko, Netmiko and NAPALM network automation
Python is a useful language, but it can't do everything. Explore some basic network automation scripts that use Python with three automation libraries: Paramiko, Netmiko and NAPALM.Continue Reading
The 6 IDE features to use for tool selection
The best IDE for a project depends on the languages programmers use, how the platform integrates with code repositories and other tools, and many other factors.Continue Reading
Confidential computing promises secure cloud apps
Adopt confidential computing to protect sensitive data in the cloud. Learn the basics about these technologies and evaluate offerings from AWS, Google, Microsoft and others.Continue Reading
An introduction to VMware vRealize Operations Cloud
VMware is set to release a cloud-based management software as a service in 2020, which uses predictive analytics and AI features to optimize, plan and scale VMware-based hybrid clouds.Continue Reading
How to set up Windows Server 2019 virtual network encryption
Microsoft tightens the security on its virtualization platform, even if a breach occurs, to prevent intruders from eavesdropping on traffic between VMs.Continue Reading
Get to work with Python in this PyCharm tutorial
IDEs make it a lot easier to work with programming languages like Python. In this video PyCharm tutorial, learn how to use features to catch syntax errors, debug issues and run code.Continue Reading
Follow these 10 fundamental microservices design principles
The right design principles enable microservices adopters to build an application from autonomous, cohesive components that can scale seamlessly. Here are 10 to follow.Continue Reading
Speed up AWS Lambda cold starts with these strategies
Cold starts are a common and frustrating issue for AWS Lambda users. Learn why they happen and how to prewarm Lambda environments to minimize latency.Continue Reading