Get started
Bring yourself up to speed with our introductory content.
Get started
Bring yourself up to speed with our introductory content.
artifact (software development)
An artifact is a byproduct of software development that helps describe the architecture, design and function of software. Continue Reading
exabyte (EB)
An exabyte (EB) is a large unit of computer data storage, two to the sixtieth power bytes. Continue Reading
SUSE
SUSE (pronounced soo-sah) is a multinational company that offers enterprise-grade open source products based on Linux technologies. Continue Reading
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water cooling
Water cooling, also called liquid cooling, is a method used to lower the temperature of computer processor units (CPUs), and sometimes graphics processor units (GPUs). Continue Reading
An intro to using vRA Custom Resources
VRealize Automation offers Custom Resources to enable a vRA user to create a variety of user objects to simplify management of those users. 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)?
Create data center electrical safety guidelines
Compose a comprehensive electrical safety strategy and keep your data center staff safe from electrical hazards. Learn what best practices and standards you should consider.Continue Reading
Get started with ESXi Fling on Arm architecture
Arm architecture brings benefits of energy efficiency as well as edge use cases. Read up on how to get the right ISO files and hardware to properly run ESXi Fling.Continue Reading
Intro to encapsulation and decapsulation in networking
Encapsulation adds information to a packet as it travels to its destination. Decapsulation reverses the process by removing the info, so a destination device can read the original data.Continue Reading
application security
Application security, or appsec, is the practice of using security software, hardware, techniques, best practices and procedures to protect computer applications from external security threats.Continue Reading
information lifecycle management (ILM)
Information lifecycle management (ILM) is a comprehensive approach to managing an organization's data and associated metadata, starting with its creation and acquisition through when it becomes obsolete and is deleted.Continue Reading
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WORM (write once, read many)
In computer media, write once, read many, or WORM, is a data storage technology that allows data to be written to a storage medium a single time and prevents the data from being erased or modified.Continue Reading
service desk
An IT service desk is a communications center that provides a single point of contact (SPOC) between a company, its customers, employees and business partners.Continue Reading
physical to virtual (P2V)
Physical to virtual (P2V), also called hardware virtualization, refers to the migration of physical machines to virtual machines (VMs).Continue Reading
How to choose a PaaS or IaaS that aligns with DevOps
There are benefits and drawbacks to using PaaS or IaaS as part of your DevOps strategy; the key is to pick a model that will be scalable and cost-effective in the long term.Continue Reading
Create an SSH key with GitHub for network access
SSH keys are a network security method that verifies the identity of the user or application seeking access to a system or other application. Create and store yours in GitHub.Continue Reading
abend (abnormal end)
An abend (abnormal end) is an unexpected or abnormal termination of an application or operating system that results from a problem with the software.Continue Reading
iterative
In the world of IT and computer programming, the adjective iterative refers to a process where the design of a product or application is improved by repeated review and testing.Continue Reading
capacity on demand (COD)
Capacity on demand (COD) is a purchasing option that allows companies to receive equipment with more computer processing, storage or other capacity than the company needs at the time of purchase, and have that extra capacity remain unused and unpaid...Continue Reading
virtual to virtual (V2V)
Virtual to virtual (V2V) refers to the migration of an operating system (OS), application program and data from a virtual machine (VM) or disk partition to another virtual machine or disk partition.Continue Reading
Hybrid cloud strategy blends public, private cloud benefits
When opting for a hybrid cloud infrastructure during digital transformation, migrating applications and workloads to the cloud doesn't necessarily dictate vacating the premises.Continue Reading
Software Process Improvement and Capability Determination (SPICE)
Software Process Improvement and Capability Determination (SPICE) is an international framework to assess software development processes.Continue Reading
What's happening with standalone 5G?
Standalone 5G is the next major update for 5G technology. Learn about the benefits SA 5G will bring and find out when operators will begin deploying it worldwide.Continue Reading
Network engineer vs. network administrator: What's the difference?
The difference between a network engineer and network administrator is an engineer is focused on network design, while an administrator is more focused on operations.Continue Reading
Enterprise data storage 2021 Products of the Year finalists
The 20th anniversary of the 'Storage' magazine and SearchStorage Products of the Year contest showcases 39 finalists in backup, cloud, disk, hyper-converged and management.Continue Reading
virtual
In computing, the term virtual refers to a digitally replicated version of something real, whether it's a machine, a switch, memory or even reality.Continue Reading
The Red Hat ecosystem: Then vs. now
Red Hat remains one of the most influential open source companies. Linux no longer stands at the center of the Red Hat ecosystem -- but it hasn't disappeared from it either.Continue Reading
Look back at the top Kubernetes news of 2021
Kubernetes had many ups and downs over the course of 2021. Read 10 of the top Kubernetes news stories to ensure you're up to date heading into the new year.Continue Reading
Cygwin
Cygwin is a collection of open source tools that allows Unix or Linux applications to be compiled and run on a Microsoft Windows operating system (OS) from within a Linux-like interface.Continue Reading
holographic storage (holostorage)
Holographic storage is computer storage that uses laser beams to store computer-generated data in three dimensions.Continue Reading
content-addressed storage (CAS)
Content-addressed storage (CAS) -- also called content-addressable storage -- is a method for storing fixed content as objects and providing fast access to that content.Continue Reading
HVAC (heating, ventilation and air conditioning)
HVAC stands for heating, ventilation and air conditioning.Continue Reading
high-performance computing
High-performance computing (HPC) is the practice of using parallel data processing to improve computing performance and perform complex calculations.Continue Reading
IT systems management
Systems management is the administration of the information technology (IT) systems in an enterprise network or data center.Continue Reading
WebLogic
Oracle WebLogic Server is a leading e-commerce online transaction processing (OLTP) platform, developed to connect users in distributed computing production environments and to facilitate the integration of mainframe applications with distributed ...Continue Reading
direct access storage device (DASD)
A direct access storage device (DASD) is a type of secondary storage device that supports direct access to the stored data, as opposed to sequential access, which is slower and less efficient.Continue Reading
How do you debug a Kubernetes service deployment?
To debug a Kubernetes deployment, IT teams must start by following the basic rules of troubleshooting and then move to the smaller details to find the root cause of the problem.Continue Reading
SPML (Services Provisioning Markup Language)
Services Provisioning Markup Language (SPML) is an open source XML-based standard that facilitates the exchange of account provisioning information among applications, services and organizations.Continue Reading
What are the different types of network switches?
Some of the different types of network switches include managed, modular, unmanaged and stackable. Find out how different network switches dovetail and differ.Continue Reading
BPEL (Business Process Execution Language)
BPEL (Business Process Execution Language) is an XML-based language that allows web services, APIs and human processes in a service-oriented architecture (SOA) to interconnect and share data in a business workflow.Continue Reading
redundant
Data redundancy refers to the practice of keeping data in two or more places within a database or data storage system.Continue Reading
How to build a Kubernetes operator
Operators unleash the full power of developing complicated offerings or abstractions on Kubernetes. And, while they have a lot of potential, there is a steep learning curve.Continue Reading
How to perform Azure AD bulk operations with PowerShell
Microsoft offers multiple ways to manage users and groups in Azure Active Directory. PowerShell is one option, but it requires knowing which module to use to handle coverage gaps.Continue Reading
bug
In computer technology, a bug is a coding error in a computer program.Continue Reading
address space
Address space is the amount of memory allocated for all possible addresses for a computational entity -- for example, a device, a file, a server or a networked computer.Continue Reading
virtual to physical (V2P)
Virtual to physical (V2P) involves transferring or porting a virtual machine (VM) onto a physical machine.Continue Reading
GNU General Public License (GNU GPL or GPL)
The GNU General Public License, often shortened to GNU GPL (or simply GPL), lists terms and conditions for the copying, modification and redistribution of open source software.Continue Reading
lights-out management (LOM)
Lights-out management (LOM) is a form of out-of-band management.Continue Reading
Reverse Address Resolution Protocol (RARP)
Reverse Address Resolution Protocol (RARP) is a protocol a physical machine in a local area network (LAN) can use to request its IP address.Continue Reading
Learn how to install MicroK8s for Kubernetes
MicroK8s enables admins to deploy and destroy Kubernetes in a flash. Follow this tutorial to learn how to install MicroK8s and combine with Multipass.Continue Reading
Microsoft Teams lifecycle management with PowerShell and Graph
A rushed Microsoft Teams deployment could lead to unintended gaps in security and governance. Here's how to use PowerShell and the Microsoft Graph to regain control.Continue Reading
Red Hat
Red Hat is a software company that combines open source Linux operating system components with related programs into a distribution package that customers can order.Continue Reading
Google Cloud operations (formerly Stackdriver)
Google Stackdriver was a monitoring service that provided IT teams with performance data about applications and virtual machines (VMs) running on the Google Cloud Platform (GCP) and Amazon Web Services public cloud.Continue Reading
Eclipse (Eclipse Foundation)
Eclipse is a free, Java-based development platform known for its plugins that allow developers to develop and test code written in other programming languages.Continue Reading
An introduction to migrating apps with AWS SaaS Boost
Explore the benefits and drawbacks of migrating applications using AWS SaaS Boost. Learn how the Boost framework aids migration and how to get started.Continue Reading
How well do you know container basics?
As containers continue to evolve with IT operations, it's important to have a good grasp of the basics. Test your knowledge and understanding with this container quiz.Continue Reading
MDI/MDIX (medium-dependent interface/MDI crossover)
MDI/MDIX is a type of Ethernet port connection that uses twisted-pair cabling to link two networked devices.Continue Reading
live migration
Live migration refers to the process of moving a virtual machine running on one physical host to another host without disrupting normal operations or causing any downtime or other adverse effects for the end user.Continue Reading
Lean software development
Lean software development is a concept that emphasizes optimizing efficiency and minimizing waste in the development of software.Continue Reading
command-line interface (CLI)
A command-line interface (CLI) is a text-based user interface (UI) used to run programs, manage computer files and interact with the computer.Continue Reading
DHCP client configuration for Linux, Windows and macOS
Network and system admins can use command-line and GUI tools to configure DHCP clients in Linux, Windows and macOS. Here's a breakdown of which commands to use for each OS.Continue Reading
Low-cost virtualization courses to build your VMware skills
Online courses are a great option for professional development, but they can be costly. Options from Udemy, LinkedIn and Global Knowledge let you increase skills at minimal cost.Continue Reading
runtime
Runtime is a piece of code that implements portions of a programming language's execution model.Continue Reading
9 wireless questions for Cisco's CCT, CCNA exams
Those looking to pass the Cisco CCT and CCNA certification exams will need to understand how wireless networking works. This practice quiz covers the basics of wireless networking.Continue Reading
Guide on wireless networking concepts for CCT, CCNA exams
Cisco's CCT and CCNA exams include wireless networking questions. Use this excerpt from Glen Clarke's 'CCT/CCNA Routing and Switching All-in-One Exam Guide' as a tool to prepare.Continue Reading
Learn the basics of wireless networking for exam prep
In this Q&A, author Glen Clarke introduces readers to wireless networking and outlines what CCT and CCNA test-takers should study when prepping for their exams.Continue Reading
Learn to use Kubernetes CRDs in this tutorial example
Custom resource definitions enable IT organizations to create objects Kubernetes doesn't offer by default. Learn how to use them here.Continue Reading
swap file (swap space or page file)
A swap file is a system file that creates temporary storage space on a solid-state drive or hard disk when the system runs low on memory.Continue Reading
restore point
A system restore point is a backup copy of important Windows operating system (OS) files and settings that can be used to recover the system to an earlier point of time in the event of system failure or instability.Continue Reading
Gantt chart
A Gantt chart is a horizontal bar chart developed as a production control tool in 1917 by Henry L. Gantt, an American engineer and social scientist.Continue Reading
Preboot Execution Environment (PXE)
The Preboot Execution Environment or PXE (commonly pronounced as pixie) is a client-server environment that enables network computers to boot over the network interface card (NIC), instead of from a CD-ROM or hard disk.Continue Reading
Windows Management Instrumentation (WMI)
Windows Management Instrumentation (WMI) is a set of specifications from Microsoft for consolidating the management of devices and applications in a network from Windows computing systems.Continue Reading
Why chaos engineering isn't as chaotic as it sounds
Don't let the name fool you. SSQ editors chatted with author Mikolaj Pawlikowski about why chaos engineering can be easily implemented into your testing environment.Continue Reading
CICS (Customer Information Control System)
CICS (Customer Information Control System) is middleware that sits between the z/OS IBM mainframe operating system and business applications.Continue Reading
Remote Direct Memory Access (RDMA)
Remote Direct Memory Access (RDMA) is a technology that enables two networked computers to exchange data in main memory without relying on the processor, cache or operating system of either computer.Continue Reading
storage (computer storage)
Data storage is the collective methods and technologies that capture and retain digital information on electromagnetic, optical or silicon-based storage media.Continue Reading
Ctrl-Alt-Delete
On a personal computer with the Microsoft Windows operating system, Control+Alt+Delete is the combination of the Ctrl key, the Alt key, and Del key that a user can press at the same time to terminate an application task or to reboot the operating ...Continue Reading
dynamic link library (DLL)
A dynamic link library (DLL) is a collection of small programs that larger programs can load when needed to complete specific tasks.Continue Reading
How to use Google's workload identity federation with AWS
Cloud admins struggle to share data between cloud providers. Here are the steps to create a federated identity in Google Cloud, connecting it to AWS in a secure way.Continue Reading
How can organizations manage Microsoft Teams storage limits?
Microsoft Teams storage limits can be complex for organizations to track. Learn the details and how to add Microsoft 365 storage to avoid capacity problems.Continue Reading
patch panel
A patch panel in a local area network (LAN) is a mounted hardware assembly that contains ports that are used to connect and manage incoming and outgoing LAN cables.Continue Reading
program
In computing, a program is a specific set of ordered operations for a computer to perform.Continue Reading
BSA | The Software Alliance
BSA | The Software Alliance is an advocate for public policies that foster technology innovation and drive economic growth.Continue Reading
storage medium (storage media)
In computers, a storage medium is a physical device that receives and retains electronic data for applications and users and makes the data available for retrieval.Continue Reading
OLTP (online transaction processing)
OLTP (online transaction processing) is a class of software programs capable of supporting transaction-oriented applications.Continue Reading
Update incident response runbooks to meet new requirements
Incident response runbooks provide IT teams with the information needed to resolve common and serious incidents. Break a runbook down into flows to construct documentation.Continue Reading
charge-coupled device
A charge-coupled device (CCD) is a light-sensitive integrated circuit that captures images by converting photons to electrons.Continue Reading
downloading
Downloading is the transmission of a file or data from one computer to another over a network, usually from a larger server to a user device.Continue Reading
IDSL
IDSL is a hybrid of a digital subscriber line (DSL) and integrated services digital network (ISDN) technology that transmits data slightly faster than ISDN but much slower than most DSL services.Continue Reading
single point of failure (SPOF)
A single point of failure (SPOF) is a potential risk posed by a flaw in the design, implementation or configuration of a circuit or system.Continue Reading
U (measurement)
A U is a standard unit of measure for designating the height in computer enclosures and server rack cabinets.Continue Reading
IDE (Integrated Drive Electronics)
IDE (Integrated Drive Electronics) is an electronic interface standard that defines the connection between a bus on a computer's motherboard and the computer's disk storage devices.Continue Reading
host bus adapter (HBA)
A host bus adapter (HBA) is a circuit board or integrated circuit adapter that connects a host system, such as a server, to a storage or network device.Continue Reading
ARPANET
The U.S. Advanced Research Projects Agency Network (ARPANET) was the first public packet-switched computer network.Continue Reading
ISO (International Organization for Standardization)
ISO (International Organization for Standardization) is a worldwide federation of national standards bodies.Continue Reading
Scrum
Scrum is a framework for project management that emphasizes teamwork, accountability and iterative progress toward a well-defined goal.Continue Reading
tape drive
A tape drive is a device that stores computer data on magnetic tape, especially for backup and archiving purposes.Continue Reading
What is hardware virtualization?
Hardware virtualization, which is also known as server virtualization or simply virtualization, is the abstraction of computing resources from the software that uses those resources.Continue Reading
What is hardware-assisted virtualization?
Hardware-assisted virtualization is the use of a computer's physical components to support the software that creates and manages virtual machines (VMs).Continue Reading
Terabyte (TB)
A terabyte (TB) is a unit of digital data that is equal to about 1 trillion bytes.Continue Reading
full-duplex
Full-duplex data transmission means that data can be transmitted in both directions on a signal carrier at the same time.Continue Reading