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Bring yourself up to speed with our introductory content.
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Bring yourself up to speed with our introductory content.
Practical advice on cloud application management
To manage cloud-based applications, you'll need to be smart about how you look at performance metrics, monitoring strategies, uptime and plenty of other variables. Continue Reading
How to write a good user story for cleaner code
A good user story isn't always easy to write. Answer key questions in easily understandable language to get development teams on the same page. Continue Reading
3 predictable application architect interview questions
Software architecture roles are awfully industry specific, but there are still baseline skills employers want to see. These are some of the questions they ask to find those skills. Continue Reading
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Which backup standards guide a data protection strategy?
A strong data protection strategy must follow applicable standards and regulations to protect data and comply with privacy laws. What are some key standards to look out for? Continue Reading
Tackle Kubernetes observability with the right metrics
Observability is a natural extension of IT monitoring -- and container environments only get more complicated. Use the right metrics for the greatest return. 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)?
Build a Windows Server 2019 file server cluster for stability
Learn how to use the clustering tools provided by the Microsoft server OS to create a highly available file server to avoid downtime if disaster strikes.Continue Reading
'Practical Microservices' speaks the language of web developers
In his book, 'Practical Microservices,' Ethan Garofolo introduces web developers to the coding principles that form the foundation for microservices-based applications.Continue Reading
CDMA (Code-Division Multiple Access)
CDMA (Code-Division Multiple Access) refers to any of several protocols used in second-generation (2G) and third-generation (3G) wireless communications.Continue Reading
What is an API proxy?
An API proxy is a thin application program interface (API) server that exposes an interface for an existing service or services.Continue Reading
VMware Cloud Native Master Services Competency: What to know
VMware's Cloud Native Master Services Competency now offers certification and training on container management and Tanzu.Continue Reading
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A better way to query DynamoDB data with SQL
Not everything is a one-click solution. Review two ways to query DynamoDB with SQL, as well as what these methods reveal about AWS' future as the top cloud provider.Continue Reading
Test your knowledge of socket programming in Python
In this quiz, review the fundamentals of socket programming in Python, including port scanning, TCP and UDP, and how to enable different methods from the socket module.Continue Reading
Review these 9 low-code use cases and industry examples
Don't get hung up on the basics of low-code and your development teams' makeup. Evaluate the following use cases to see if low-code makes sense for your project goals.Continue Reading
How to get started with socket programming for beginners
To understand socket programming for beginners, basic network and security concepts are critical -- and having Python skills won't hurt, either. Learn more in this expert Q&A.Continue Reading
Explore this ultimate socket programming guide for beginners
In this socket programming guide preview, learn how sockets work, the role of socket programming in enterprise networks and the ins and outs of socket programming in Python.Continue Reading
Get to know 4 microservices versioning techniques
Are you struggling to apply updates consistently across distributed services? Here are four microservices versioning techniques that can help.Continue Reading
The keys to an efficient help desk staffing model
Hiring skilled staff alone to fill help desk roles is not enough to improve workflows. Learn how to unlock a help desk's full potential with these tips.Continue Reading
Prepare for successful container adoption with these tips
Enterprises all over the world are making containerized applications a central focus. Learn why your IT organization should be next, and how to prepare.Continue Reading
8 certifications and courses for admins, DevOps and IT ops pros
With a few years of experience now on your resume, it's time to boost or validate those skills you've gained. Explore these courses and certifications for one that fits your goals.Continue Reading
Break down platforms via a service decomposition strategy
There's more than one way to break down a platform into microservices. This excerpt from 'Developing Microservice APIs with Python' explains one: decomposition by subdomains.Continue Reading
How to perform a Hyper-V to VMware migration
Before you migrate from Hyper-V to VMware, you should take a comprehensive inventory, set an agreed-upon schedule and communicate the potential effects to all relevant parties.Continue Reading
autoscaling
Autoscaling provides users with an automated approach to increase or decrease the compute, storage or networking resources they have allocated, as traffic spikes and use patterns demand.Continue Reading
orthogonal frequency-division multiplexing (OFDM)
Orthogonal frequency-division multiplexing (OFDM) is a method of data transmission where a single information stream is split among several closely spaced narrowband subchannel frequencies instead of a single wideband channel frequency.Continue Reading
How to test connected car applications
When software testers deal with automobile-connected applications, they should think like a driver. Evaluate safety, connectivity and usability concerns to develop a strong app.Continue Reading
5 steps to conduct network penetration testing
Enterprises that want to ensure competent network security strategies should look at how they can implement penetration testing, considering red teams and physical pen tests.Continue Reading
How to write test cases for both manual and automated tests
Immerse yourself in the basics -- and particulars -- of writing test cases for both manual and automated tests, and learn the components crucial to each approach.Continue Reading
Learn to use a PowerShell call function from another script
Don't use the same lines of code in several places in your scripts. Learn how to use functions and reap the benefits of a more streamlined approach.Continue Reading
5 benefits of Wi-Fi 6 for enterprise networks
In a perfect world, Wi-Fi 6 could introduce several benefits to business networks. But real-world conditions could curb the wireless technology's true potential.Continue Reading
data portability
Data portability is the ability to move data among different application programs, computing environments or cloud services.Continue Reading
10 microservices patterns all architects should know
Choosing the right design pattern is a critical part of managing a microservices-based architecture. Here are 10 distributed design approaches that all architects should know.Continue Reading
Get started with network penetration testing for beginners
Authentication, patching and configuration are among the most common vulnerabilities found through network penetration testing. Learn more in this free chapter excerpt.Continue Reading
Advice on how to learn network penetration testing skills
As beginners learn network penetration testing skills, they should remember these expert tips: Pay attention to what the client wants, and stick to offense, not defense.Continue Reading
radio frequency (RF, rf)
Radio frequency (RF) is a measurement representing the oscillation rate of electromagnetic radiation spectrum, or electromagnetic radio waves, from frequencies ranging from 300 GHz to as low as 9 kHz.Continue Reading
What is Micronaut? Introduction to the Micronaut Framework
Micronaut is an open source JVM-based software framework for building lightweight, modular applications and microservices.Continue Reading
How to find the best server virtualization management software
Choosing the right server virtualization management software is critical to meeting your organization's current and future needs.Continue Reading
metropolitan area network (MAN)
A metropolitan area network (MAN) is a computer network that is larger than a single building local area network (LAN) but is located in a single geographic area that is smaller than a wide area network (WAN).Continue Reading
Private cloud certificates to build up your tech skills
Private cloud deployments require a variety of skills to run smoothly on any infrastructure. Expand your technical knowledge with training from Amazon, Google, Dell EMC and HPE.Continue Reading
Build a cloud resiliency strategy with these best practices
Implement these tips and strategies to minimize downtime and support resiliency in your cloud-based organization.Continue Reading
5 prerequisites for applying AI to an ops environment
For organizations that want to apply AI to their ops environments, IT teams must precede the starting line with an understanding of what AI can do -- and what they want from it.Continue Reading
How to build a private 5G business case
As you build a private 5G business case, be sure to include private 5G's benefits and challenges, as well as how to prove its ROI. Here's everything you need to know.Continue Reading
App interface design principles all developers should know
The first step in choosing the right app interface design is to understand the options available to developers. Dive deeper into these popular design concepts and approaches.Continue Reading
An overview of headless architecture design
Decoupling the back-end components of an application is certainly valuable, but what about the front end? This is where headless architecture comes into play.Continue Reading
Docker security checklists mitigate container cyberthreats
To improve container security, admins can use a Docker security checklist and combat common vulnerabilities, such as gain privileges and corrupt Docker images.Continue Reading
Cloud computing conferences in 2021 you won't want to miss
Cloud industry players are preparing to showcase the latest developments at digital and in-person events this year. Plan your next round of cloud conferences with this guide.Continue Reading
The main types of database testing explained
Most software testers know about ACID for database testing. But the importance of databases means software teams should perform functional and nonfunctional testing in addition to verifying ACID adherence.Continue Reading
DevNet vs. CCNA: What's the difference?
While CCNA certification concentrates on foundational network engineering knowledge, DevNet certification focuses on modern networking concepts, like automation and software.Continue Reading
How to plan unit test coverage
Explore what an effective unit testing strategy looks like, whether it's wise to aim for a certain percentage of test coverage and how much unit testing is enough.Continue Reading
Build a custom VM image for Azure deployments
Follow this step-by-step guide to create a custom virtual machine image for Microsoft Azure deployments.Continue Reading
How to performance test big data applications
When it comes to testing big data applications, there's a lot to consider and potentially be overwhelmed by. Here's how testers can keep their heads above water.Continue Reading
The basics of monitoring and observability in microservices
We examine how monitoring and observability help development teams keep a distributed architecture from coming unraveled by individual failures and performance bottlenecks.Continue Reading
Get started with vRealize Orchestrator with PowerCLI
You can use PowerCLI to automate tasks in vRealize Orchestrator 8.1. Use cmdlets through the Scriptable Task feature or from a workflow in vRealize Orchestrator.Continue Reading
An overview of 3GPP 5G releases and what each one means
3GPP has standardized features and specifications for all cellular technology generations since 3G. Learn about 3GPP's 5G timeline and notable features each 5G release introduces.Continue Reading
How to monitor home network traffic for added security
When addressing home network monitoring, track all connected devices, and take advantage of open source tools, like packet capture, to sniff out malicious traffic.Continue Reading
Use Amazon EMR with Apache Airflow to simplify processes
Explore Amazon EMR, looking at use cases such as MapReduce and integration with Hadoop. Then, see how it works with Apache Airflow and learn how to get started.Continue Reading
A guide to testing in DevOps and key strategies, practices
Here's why testers and testing are such big parts of DevOps, and some ways to further incorporate testing for better software application development.Continue Reading
How to understand networking and the internet for beginners
For beginners, learning how networking and the internet truly work can feel overwhelming. One expert encourages patience, practice and assurance that networking isn't unknowable.Continue Reading
How to learn networking fundamentals, from a software pro
Networking basics include protocols, network layers and processes that must happen for computers to communicate across a network. Here's how to start learning these basics.Continue Reading
Learn from these real-world AWS serverless examples
Check out how Equinox Media and BMW use AWS serverless tools and technologies to process and analyze data as part of their IT strategies.Continue Reading
Why and how to adopt a data-centric architecture
Data has become one of the most valuable assets in the enterprise. IT teams must make changes -- both culturally and technically -- to ensure their strategy reflects that.Continue Reading
API testing checklist and best practices
Proper API testing isn't just determining if an endpoint is functional. Follow these steps to identify your organization's important APIs, which tests to run, and which tools to use.Continue Reading
VLAN vs. subnet: What's the difference?
While VLANs are a type of subnet, they have their own unique capabilities and characteristics that differentiate them from subnets. However, the OSI model plays a major role in both.Continue Reading
Get a template to estimate server power consumption per rack
Admins can struggle with power consumption estimation as infrastructure gets more complex. The kW-per-rack metric can help provide an accurate calculation of server power use.Continue Reading
5 AIOps skills to add to your DevOps resume
Organizations use AIOps to address complexity, but these tools don't exist in a vacuum. See the top skills needed to successfully implement them.Continue Reading
How to migrate from AWS to Azure using Azure Migrate
Watch how to set up and configure Azure Migrate to easily convert your existing Amazon EC2 instances into Azure VMs.Continue Reading
SharePoint Online PowerShell commands for admin tasks
You can avoid the admin portal when you pick up your PowerShell game and learn how to manage cloud-based resources in Office 365, including the SharePoint collaboration platform.Continue Reading
VPN vs. VLAN: What's the difference?
VPNs and VLANs are different technologies with some similarities. VPNs connect authorized users to corporate network resources, while VLANs connect geographically separate devices.Continue Reading
How to calculate SASE return on investment and costs
SASE return on investment will vary for each organization, depending on use cases and architecture requirements. But the metrics used to determine ROI and cost factors are the same.Continue Reading
Calculate HPC storage costs based on these 8 factors
IT teams that want an accurate estimate of HPC storage costs must account not only for the technology itself, but for staffing, support and ongoing operational expenses.Continue Reading
Broadband vs. Wi-Fi: What's the difference?
Broadband and Wi-Fi are common technical terms often used interchangeably -- although they shouldn't be. Both provide connectivity, but they do so in different ways.Continue Reading
4 monitoring and alerting best practices for IT ops
Monitoring is vital in modern IT environments, but the variety of metrics to track can swiftly overtake admins' capacity -- and sanity.Continue Reading
Review these top FAQs on cloud development APIs
APIs offer two capabilities central to cloud -- self-service and automation. APIs simplify application development, but there are limitations imposed by a lack of standardization.Continue Reading
Get to know Oracle VM VirtualBox 6.1 and learn to install it
Oracle VM VirtualBox offers a host of appealing features, such as multigeneration branched snapshots and guest multiprocessing.Continue Reading
What is SRE in DevOps and how do they work together?
Site reliability engineering and DevOps share a close relationship -- but it's not always clear what, exactly, that relationship is. Walk through the basics of SRE, and its place in DevOps methodologies.Continue Reading
A day in the life: What does a site reliability engineer do?
Site reliability engineering is still a relatively new job role, and it's challenging to get a clear picture of the day to day. Learn what one SRE's role looks like with this profile.Continue Reading
Top network attacks of 2020 that will influence the decade
You've heard of phishing, ransomware and viruses. Now, keep them in mind because one cybersecurity expert says these threats and more may cause IT headaches for the next decade.Continue Reading
Advice for an effective network security strategy
Security audits, evaluations of tools and looking realistically at trending technologies are some ways an organization can ensure its network security is the best it can be.Continue Reading
Test your network threats and attacks expertise in this quiz
Network security is an ever-changing subject, but many of its common threats have plagued IT pros for years -- and will likely continue to do so. See what you know in this quiz.Continue Reading
How to prepare for the OCI Architect Associate certification
Author of 'Oracle Cloud Infrastructure Architect Associate All-in-One Exam Guide' Roopesh Ramklass shares his expert advice on OCI concepts and certification in this Q&A.Continue Reading
What are the differences between Wi-Fi and WiMax?
Wi-Fi is the wireless standard used to build wireless LANs, while carriers primarily used WiMax to build wireless metropolitan area networks before moving to LTE.Continue Reading
Main factors that can guide your UPS selection process
To choose the right UPS, be sure to figure out business needs, power supply size requirements and how long your backup systems must last during downtime.Continue Reading
The 4 rules of a microservices defense-in-depth strategy
Learn the four must-follow rules when introducing defense-in-depth to a distributed microservices architecture, especially when services traverse numerous networks and apps.Continue Reading
4 Docker security best practices to minimize container risks
Without the right tools and processes in place, Docker security can feel like a moving target. Use these four practices -- related to container images, hosts and more -- to keep deployments safe.Continue Reading
9 VDI storage best practices to better connect remote workers
Learn how to plan and deploy VDI storage to make your remote workers more productive and efficient. It's all about knowing your users and picking the right devices.Continue Reading
How to use Agile swarming techniques to get features done
Agile teams can produce a viable product in no time when they swarm, but this all-hands approach to produce a user story or feature isn't easy.Continue Reading
Report testing checklist: Perform QA on data analysis reports
To incorporate data analysis features into software, fully test the reports they generate. Use this checklist to cover these reports' requirements, the test environment, APIs and test data.Continue Reading
Run Kubernetes at the edge with these K8s distributions
The idea of edge computing is not as far off as it once was. Evaluate several ways to bring Kubernetes to the edge, and when an organization should use each approach.Continue Reading
An overview of Apache Airflow for workflow management
This introductory look at Apache Airflow walks through some of the basics of the workflow management tool -- from installation steps to its various GUI options.Continue Reading
Two simple ways to create custom APIs in Azure
Learn how to create custom APIs in Azure through both Azure Portal and Visual Studio Code, and review some post-deployment best practices that add value and security to those APIs.Continue Reading
Cloud security: The building blocks of a secure foundation
Before going ahead with digital transformation, ensure your organization has created its cloud security strategy to ensure that moving to the cloud doesn't create vulnerabilities.Continue Reading
Your primer to colocation pricing and rack space rightsizing
Even with structured pricing methods, there's a lot to consider when making colocation infrastructure purchases. Account for future hardware needs and spend flexibility.Continue Reading
How to become a cloud administrator
Although the cloud admin role varies from company to company, there are key skills every successful one needs. Explore seven areas of expertise and how they relate to this role.Continue Reading
The CAP theorem, and how it applies to microservices
Learn the fundamentals of the CAP theorem, how it comes into play with microservices and what it means for your distributed architecture design choices.Continue Reading
Inside 5 types of test doubles
Spies, fakes and other nefarious-sounding test objects are actually beneficial to development teams. Learn about the five primary types of test doubles and when to use them.Continue Reading
Myth or emerging trend? Cloud repatriation explained
Cloud customers may look to move workloads off the public cloud because of cost, security, availability and staff skill sets. But how common is the move itself?Continue Reading
Colocation pricing guide: Understanding data center costs
Colocation facility costs can include anything from power fees and bandwidth service charges to connectivity expenses, change fees and support costs.Continue Reading
Check out this Docker Compose tutorial for beginners
IT admins tasked with running multi-container applications can use this Docker Compose tutorial -- which also features Redis -- to get started.Continue Reading
9 considerations for a colocation data center selection checklist
Use this data center selection checklist to make fair and comprehensive comparisons between colocation data center providers before making a decision.Continue Reading
How and why to create an SRE error budget
No IT service is completely immune to disruption. A realistic error budget is a powerful way to set up a service for success.Continue Reading
What is database refreshing?
IT testing and software development constantly requires fresh data. It's easy to run a database refresh and generate new data for sandbox or production tasks.Continue Reading
11 certifications for entry-level IT operations roles
Looking to start a career in IT operations? Check out these courses and certifications for beginners to gather all the foundational skills you'll need.Continue Reading