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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.
7 infrastructure as code books for IT pros to dig into
Need some reading material? Check out these books on infrastructure as code -- and popular IaC tools -- to pick up some new skills on the IT management practice. Continue Reading
A beginner's guide to a multistage Docker build
Multistage builds help you manage Dockerfile size during container proliferation. Get the process right with the necessary guidelines and ideal use cases. Continue Reading
Get a grasp on using group managed service accounts
When you create a group managed service account, it relieves some administrative duties and bolsters the security related to passwords for services in a Windows environment. Continue Reading
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Tips to launch VirtualBox nested virtualization
Nested VMs make it easy to expand VM capacity without additional hardware. Take a look at the process to avoid any major issues and get these VMs up and running. Continue Reading
bus network
A bus network is a local area network (LAN) topology in which each node -- a workstation or other device -- is connected to a main cable or link called a bus. 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)?
Amazon Athena
Amazon Athena is a service that enables a data analyst to perform interactive queries in the web-based cloud storage service, Amazon Simple Storage Service (S3).Continue Reading
flooding (network)
In a computer network, flooding occurs when a router uses a non-adaptive routing algorithm to send an incoming packet to every outgoing link except the node on which the packet arrived.Continue Reading
ping sweep (ICMP sweep)
A ping sweep (also known as an ICMP sweep) is a basic network scanning technique used to determine which of a range of IP addresses map to live hosts (computers).Continue Reading
cognitive radio (CR)
Cognitive radio (CR) is a form of wireless communication in which a transceiver can intelligently detect which communication channels are in use and which ones are not.Continue Reading
CRC-4 (Cyclic Redundancy Check 4)
CRC-4 (Cyclic Redundancy Check 4) is a form of cyclic redundancy checking -- a method of checking for errors in transmitted data -- that is used on E1 trunk lines.Continue Reading
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maximum transmission unit (MTU)
The maximum transmission unit (MTU) is the largest size frame or packet -- in bytes or octets (eight-bit bytes) -- that can be transmitted across a data link.Continue Reading
bare-metal cloud
Bare-metal cloud is a public cloud service that offers dedicated hardware resources without any installed operating systems or virtualization infrastructure.Continue Reading
crosstalk
Crosstalk is a disturbance caused by the electric or magnetic fields of one telecommunication signal affecting a signal in an adjacent circuit.Continue Reading
Uuencode (Uuencode/Uudecode)
Uuencode (also called Uuencode/Uudecode) is a popular utility for encoding and decoding files exchanged between users or systems in a network.Continue Reading
race condition
A race condition is an undesirable situation that occurs when a device or system attempts to perform two or more operations at the same time, but because of the nature of the device or system, the operations must be done in the proper sequence to be...Continue Reading
Amazon Machine Image (AMI)
An Amazon Machine Image (AMI) is a master image for the creation of virtual servers -- known as EC2 instances -- in the Amazon Web Services (AWS) environment.Continue Reading
Invest in cloud security to future-proof your organization
The cloud has opened many opportunities for enterprises to maintain operations during the pandemic, but it has also created numerous security challenges that must be addressed.Continue Reading
NetBIOS (Network Basic Input/Output System)
NetBIOS (Network Basic Input/Output System) is a network service that enables applications on different computers to communicate with each other across a local area network (LAN).Continue Reading
How to migrate VMware VMs to AWS with ease
You can complete a VMware to AWS migration with Amazon's CLI tool and a few commands, but a migration with large data sets requires preparation and testing.Continue Reading
Amazon Glacier
Amazon Glacier, also known as Amazon Simple Storage Service (S3) Glacier, is a low-cost cloud storage service for data with longer retrieval times offered by Amazon Web Services (AWS).Continue Reading
How to build a CI/CD pipeline with Azure and GitHub
Some organizations need to build and deploy apps to specific cloud platforms. This walkthrough shows you step by step how to create a CI/CD pipeline using GitHub and Azure DevOps.Continue Reading
AWS Outposts: What you need to know to get started
AWS Outposts is a managed device that brings Amazon cloud services into your data center. Review its requirements, use cases and a step-by-step guide to the installation process.Continue Reading
near-end crosstalk (NEXT)
Near-end crosstalk (NEXT) is an error condition that can occur when connectors are attached to twisted pair cabling.Continue Reading
reverse-engineering
Reverse-engineering is the act of dismantling an object to see how it works.Continue Reading
Don't limit observability to 3 pillars
Logs, metrics and tracing are the pillars of observability but fall short in system health comprehension. Learn why data source tracking gives better insight into your environment.Continue Reading
Amazon Lightsail
Amazon Lightsail is an Amazon cloud service that offers bundles of cloud compute power and memory for new or less experienced cloud users.Continue Reading
5 proven patterns for resilient software architecture design
Maintaining a resilient software architecture is a constant battle. Luckily, there are a few design methods that can help teams instill the reliability they desperately need.Continue Reading
10 Gigabit Ethernet (10 GbE)
10 Gigabit Ethernet (10 GbE) is a telecommunication technology that offers data speeds up to 10 billion bits per second.Continue Reading
spectrum analyzer
A spectrum analyzer is a device that measures and displays signal amplitude (strength) as it varies by frequency within its frequency range (spectrum).Continue Reading
Easily transfer VMs to the cloud with Microsoft Azure Migrate
It takes time to plan, assess and set up a VM migration. Microsoft's Azure Migrate gives you a central dashboard to efficiently get your VMware and Hyper-V VMs into the cloud.Continue Reading
How to build VMware HCI on a budget
HCI is a costly investment that can streamline networking, compute and management in your data center. Consider affordable alternatives to expensive HCI before adoption.Continue Reading
cloud storage
Cloud storage is a service model in which data is transmitted and stored on remote storage systems, where it is maintained, managed, backed up and made available to users over a network (typically the internet).Continue Reading
Build apps with these cloud architecture diagram examples
Cloud changes the way IT teams build an application's architecture. Follow these diagram examples, using top cloud providers, to help guide your project.Continue Reading
How to create Amazon EC2 security groups
Before setting up security groups for AWS resources, review rules, requirements and potential missteps. Follow these steps to properly configure security groups for EC2 instances.Continue Reading
Application Load Balancer
The Application Load Balancer is a feature of Elastic Load Balancing that allows a developer to configure and route incoming end-user traffic to applications based in the AWS public cloud.Continue Reading
Amazon QuickSight
Amazon QuickSight is a machine learning-powered business intelligence service built for the cloud under the Amazon Web Services (AWS) umbrella.Continue Reading
virtual routing and forwarding (VRF)
Virtual routing and forwarding (VRF) is a technology included in Internet Protocol (IP) network routers that enables multiple instances of a routing table to exist in a virtual router and work simultaneously.Continue Reading
Run servers from anywhere with Hyper-V remote management
Microsoft's Hyper-V Manager makes it easy to set up remote options and standardizes hypervisor resource allocation and deployments.Continue Reading
HDLC (High-level Data Link Control)
HDLC (High-level Data Link Control) is a group of protocols or rules for transmitting data between network points (sometimes called nodes).Continue Reading
Signaling System 7 (SS7)
Signaling System 7 (SS7) is an international telecommunication protocol standard that defines how the network elements in a public switched telephone network (PSTN) exchange information and control signals.Continue Reading
IEEE 802.3
802.3, or IEEE 802.3, is a working group of standard specifications for Ethernet, a method of packet-based physical communication in a local area network maintained by the Institute of Electrical and Electronics Engineers.Continue Reading
Amazon Trust Services
Amazon Trust Services is a certificate authority created and operated by Amazon Web Services.Continue Reading
bits per second (bps or bit/sec)
In data communications, bits per second (bps or bit/sec) is a common measure of data speed for computer modems and transmission carriers.Continue Reading
Amazon Cognito
Amazon Cognito is an Amazon Web Services product that controls user authentication and access for mobile applications on internet-connected devices.Continue Reading
chaos engineering
Chaos engineering is the process of testing a distributed computing system to ensure that it can withstand unexpected disruptions.Continue Reading
When should you use AWS IAM roles vs. users?
Access management is critical to securing the cloud. Understand the differences between AWS IAM roles and users to properly restrict access to AWS resources.Continue Reading
9 iPaaS use cases for the enterprise
IPaaS connects enterprise applications and data, which encompasses on-premises systems to the cloud and IoT. Review these iPaaS examples to understand how it all works.Continue Reading
9 advanced IT certifications for operations experts
To be an IT expert requires dedication to the ever-changing technology and processes. Here's a list of certifications to demonstrate that skill and experience.Continue Reading
Use PnP PowerShell commands to fortify SharePoint management
A new PowerShell module pares down the work required to handle administrative tasks on several Office 365 services, such as SharePoint Online and Microsoft Teams.Continue Reading
Build self-healing IT systems for data resilience
With an autonomous approach to system infrastructure, companies can save time and costs. Learn why IT admins should adopt this type of automation and how to implement it.Continue Reading
CCNA certification
Cisco Certified Network Associate (CCNA) is a technical certification that Cisco offers for early-career networking professionals.Continue Reading
SCCM driver management strategies for the modern world
Now that more users work remotely, administrators should evolve with the times and understand the range of options to deploy device drivers more efficiently.Continue Reading
Use AWS Glue workflows to convert semistructured data
New to AWS Glue? Learn about the tool and how to incorporate it into DevOps workflows with examples that look at data transformation and machine learning.Continue Reading
zero-touch provisioning (ZTP)
Zero-touch provisioning (ZTP) is a method of setting up devices that automatically configures the device using a switch feature.Continue Reading
Why and how to implement NVMe power management
Understand how to use NVMe built-in power management features to conserve energy, manage heat and, in the case of mobile devices, extend operating times.Continue Reading
How to build a CI/CD pipeline -- with examples
Ready to set up a CI/CD pipeline? Follow these general steps, with guidance toward specific examples depending upon your own specific needs and resources.Continue Reading
Try before you buy with free tiers in cloud
Cloud services aren't cheap, and you don't want to get stuck using one that isn't the right fit. This is where the 'try before you buy' options come in.Continue Reading
An introduction to Go network programming
This chapter excerpt from 'Network Programming with Go' dives into logging and metrics, while also providing Go code examples and best practices.Continue Reading
Best practices and strategies for logging in Go
Author Adam Woodbeck discusses how network teams can use the Go programming language for logging and metrics. One tip: Log prudently, and use metrics generously.Continue Reading
Learn how to configure NSX firewall rules
VMware NSX users can configure firewall rules into specific policies to protect individual VMs, regardless of their location in the virtual infrastructure.Continue Reading
How to secure your home Wi-Fi network in 7 steps
When securing your home Wi-Fi, update devices regularly, change passwords consistently, turn off unused services and inspect outdoor network equipment.Continue Reading
AWS CloudWatch
Amazon CloudWatch is a component of Amazon Web Services that provides monitoring for AWS resources and the customer applications running on the Amazon infrastructure.Continue Reading
Learn Docker best practices with this interactive book
The author of The Docker Workshop, Vincent Sesto, discusses Docker's ingenuity and gives tips to IT admins on the leading container creation technology in this Q&A.Continue Reading
How to use mind maps for software testing
Mind mapping is a visual way to brainstorm test ideas. Learn how to create and use mind maps to improve software quality.Continue Reading
How to auto scale Kubernetes pods for microservices
In Kubernetes, autoscaling prevents over provisioning resources for microservices running in a cluster. Follow this tutorial to set up horizontal and vertical scaling.Continue Reading
Understand cloud abstraction for your IT needs
Cloud users must select a cloud abstraction layer that meets their business requirements. Consider factors such as level of control and security when choosing SaaS, PaaS or IaaS.Continue Reading
Hybrid network vs. hybrid network infrastructure
Hybrid networks and hybrid network infrastructure blend different kinds of equipment, geographic locations, network ownership and technology disciplines.Continue Reading
Get started on AWS with this developer tutorial for beginners
Kick-start your AWS cloud developer journey with this breakdown of essential services, deployment options and other cloud basics you'll need to get started.Continue Reading
What is webhook?
A webhook is a software architecture approach that allows applications and services to submit a web-based notification to other applications whenever a specific event occurs.Continue Reading
Combine PowerShell and Docker to simplify testing across OSes
Run PowerShell scripts in Docker containers to manage multiple environments from the same system. Follow this tutorial to see how to test Linux environments with a Windows host OS.Continue Reading
A quick rundown of multi-runtime microservices architecture
Learn the basics about a multi-runtime architecture, and the two-component approach it takes to provide a standard for abstracted microservice-messaging processes.Continue Reading
How to integrate Active Directory and vCenter Server
Admins who connect AD with vCenter Server can grant users authorization for and access to VMs, storage and compute resources in vSphere. To do so, follow these configuration steps.Continue Reading
How software testing certifications can boost your career
How can software testing certifications give QA professionals a leg up in their careers? Learn how in this overview, as well as what certification types testers should consider.Continue Reading
How to deploy VMware Folding@Home Fling
To deploy VMware's Fling appliance and use the Folding@Home software, you must have at least vCenter Server 6, a username and passkey, an IP address, a gateway and a DNS.Continue Reading
Tips to prepare for Google Cloud Architect certification
Author of 'Google Cloud Certified Professional Cloud Architect All-in-One Exam Guide' Iman Ghanizada explains how to approach the cloud architect certification and role in this Q&A.Continue Reading
4 attributes key to network-as-a-service model
For a network-as-a-service model to work for the enterprise, it needs to offer four key attributes: an application-specific, elastic, secure and personalized VPN.Continue Reading
Guidelines to implement storage for AI workloads
Organizations with AI-enabled projects need an effective way to store, retrieve and share massive amounts of complex data. These tips will help meet AI data storage challenges.Continue Reading
How to use GitHub vRA integration to keep track of blueprints
VMware vRA Cloud Assembly supports integration with a GitHub respository. Use this setup to maintain version control of vRA deployments.Continue Reading
Generate a Windows file server audit via PowerShell
Learn how to generate a detailed report that uncovers unusual activity by users on a Windows file share without having to manually investigate every file and folder.Continue Reading
Ready to be a GCP architect? Try this quiz and see
This 10-question quiz, drawn from a new GCP certified professional cloud architect prep guide, helps identify your strengths and weaknesses to improve your odds of passing the exam.Continue Reading
What does a network infrastructure upgrade project involve?
Explore the steps organizations must take to upgrade their network infrastructure, including how to tell if an upgrade is necessary and how to evaluate resources for the project.Continue Reading
Wi-Fi 6 rollout requires careful review of network devices
Wi-Fi 6 is just one part of the overall enterprise network. Organizations need to evaluate several network components to ensure a smooth Wi-Fi 6 deployment.Continue Reading
Programmable processor technology for next-gen data centers
The right processing technology can benefit your data center. Learn about advancements in CPU technologies, recent vendor offerings and important market trends.Continue Reading
Azure File Sync service puts pep in hybrid storage setups
Microsoft's Azure Files offering alleviates traditional support efforts and hardware costs. Using this additional service can improve performance and keep end users happy.Continue Reading
Network layer
Located at Layer 3 of the Open Systems Interconnection (OSI) communications model, the primary function of the network layer is to move data into and through other networks.Continue Reading
8 best practices for SAN deployment within SMBs
SMBs face a number of challenges when planning and performing a SAN implementation. Get out in front of an often intricate process with these best practices.Continue Reading
The 3 essential Scrum team roles
Every successful Scrum team needs a product owner, a Scrum Master and developers. Here's why each role is essential and how effective collaboration between the three happens.Continue Reading
Kubernetes basics: A step-by-step implementation tutorial
This Kubernetes implementation example demonstrates how to create a single-node cluster on Windows 10 to get a containerized application up and running.Continue Reading
A production readiness checklist for software development
To achieve a smooth release cycle that can uncover potential glitches, an enterprise needs software release criteria that involve members of the dev, ops and business teams.Continue Reading
Master containerized microservices monitoring
Before IT teams can enjoy the benefits that containers and microservices bring, they must tackle several monitoring hurdles first.Continue Reading
Is life as a freelance software developer for you?
Succeeding as a freelance developer requires much more than waiting for clients to contact you. Explore how to boost your skill set and land freelance gigs.Continue Reading
Try out this GitOps tutorial with Flux and Kubernetes
Learn how to implement GitOps with Kubernetes workloads. See the benefits of this approach and follow this Flux tutorial to get started.Continue Reading
Overview of the problems automatic code generation can solve
Explore the ins and outs, pros and cons, and dos and don'ts of automatic code generation.Continue Reading
application service provider (ASP)
An application service provider (ASP) is a company that offers individuals or enterprises access to applications and related services over the internet.Continue Reading
Micro apps: A simple way to add sophisticated features
When building a new web or mobile app seems like overkill, micro apps might be the most practical way for developers to add niche features and functionality.Continue Reading
How to develop and implement a data storage plan
Planning is an important piece of IT. Examine the elements of a storage plan, how to prepare and implement the document, and the benefits of having one.Continue Reading
A breakdown of core AWS identity services
Given the wide range of organizations that use AWS to power their applications, it's important to understand the options AWS offers to manage access to application components.Continue Reading
Set up persistent storage for containers in the cloud
All the major cloud vendors offer containers as a service. There are various ways IT admins can enable persistent storage for these flexible environments.Continue Reading
An Eggplant automation tool tutorial for Functional, DAI
Eggplant Functional and DAI are two popular tools in the testing community. This video demonstrates how to install the tools and integrate them with the agent feature.Continue Reading
Cut coding corners with return values in PowerShell functions
In certain instances, a return keyword is a good option to exit the current scope of a function and to reduce the bloat from a PowerShell script.Continue Reading