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• host virtual machine (host VM)

  A host virtual machine is the server component of a virtual machine the underlying hardware that provides computing resources to support a particular guest VM. Continue Reading

• Red Hat Summit 2024 news and conference guide

  Use this Red Hat Summit conference guide to stay up to date on current trends, emerging technologies and information from keynote speakers and industry experts. Continue Reading

• IT operations (IT ops)

  The term IT operations (IT ops) describes the many processes and services an IT department manages and maintains within an organization. Continue Reading

• Compare Nutanix AHV vs. VMware ESXi in the hypervisor battle

  Though Nutanix AHV and VMware ESXi offer similar feature sets, admins' decisions will depend on several factors, such as virtualization needs and workload size. Continue Reading

• Learn how New Relic works and when to use it for IT monitoring

  New Relic is one of many tools that can help an IT team track application performance and health. Before adoption, understand primary use cases and SaaS installation requirements. Continue Reading

• Definitions to Get Started

  • host virtual machine (host VM)
  • IT operations (IT ops)
  • paravirtualization
  • continuous delivery (CD)

  • IT service delivery
  • declarative programming
  • application containerization (app containerization)
  • containers as a service (CaaS)

  View All Definitions

• How to respond to 4 common IT alerts

  IT alerts can announce server failures, congested networks and more. When they pop up, administrators need to act. Take steps to look for the source of trouble.Continue Reading

• Containers vs. VMs: What are the key differences?

  Containers are a valuable option for deploying applications, but they have limitations and operate differently than VMs.Continue Reading

• Xen vs. KVM: What are the differences?

  Admins often evaluate Xen and KVM as open source options. The main factors to consider in a primary hypervisor are organizational infrastructure and cloud adoption interests.Continue Reading

• paravirtualization

  Paravirtualization is a type of hardware virtualization that enables the guest operating system (OS) in a virtual machine (VM) to access the hypervisor directly, rather than indirectly through a complex abstraction layer, as is the case with ...Continue Reading

• continuous delivery (CD)

  Continuous delivery (CD) is an approach for software delivery in which development teams produce and test code in short but continuous cycles to improve software quality.Continue Reading

• Server consolidation benefits, types and considerations

  Server consolidation enables admins to boost server utilization and decrease power consumption, which can also reduce costs and improve performance.Continue Reading

• Learn how to use GitLab tutorial for beginners

  GitLab is a complete CI/CD platform. But to really understand GitLab, you must also understand its namesake Git. This Git and GitLab tutorial will get you up to speed on both.Continue Reading

• Full virtualization vs. paravirtualization: Key differences

  Full virtualization and paravirtualization both enable hardware resource abstraction, but the two technologies differ when it comes to isolation levels.Continue Reading

• IT service delivery

  IT service delivery is the way a corporation provides users access to IT services, such as applications, data storage and other business resources. IT service delivery covers design, development, deployment, operation and retirement.Continue Reading

• What's the difference between Type 1 vs. Type 2 hypervisor?

  Choosing between the two hypervisor types largely depends on whether IT administrators oversee an enterprise data center or client-facing, end-user systems.Continue Reading

• declarative programming

  Declarative programming is a method to abstract the control flow for logic required for software to perform an action. Instead, it involves stating what the task or desired outcome is.Continue Reading

• application containerization (app containerization)

  Application containerization is a virtualization technology that works at the operating system (OS) level. It is used for deploying and running distributed applications in their own isolated environments, without the use of virtual machines (VMs).Continue Reading

• How to effectively use DORA metrics in DevOps

  DORA metrics can help organizations standardize their DevOps approach. Explore the DORA framework's benefits and limitations and how to evaluate performance against its metrics.Continue Reading

• containers as a service (CaaS)

  Containers as a service (CaaS) is a cloud-based service that provides a secure environment for running containerized applications.Continue Reading

• hypervisor

  A hypervisor is software that facilitates running multiple virtual machines (VMs) with their own operating systems on a single computer host's hardware.Continue Reading

• on-demand computing (ODC)

  On-demand computing (ODC) is a delivery model in which computing resources are made available to the user as needed.Continue Reading

• ServiceNow

  ServiceNow is a software company that provides a cloud-based, AI-driven platform for automating multiple management workflows in enterprises. The company specializes in IT service management, IT operations management and IT business management.Continue Reading

• guest operating system (guest OS)

  A guest operating system is the operating system installed on either a virtual machine (VM) or partitioned disk. It is usually different from the host operating system.Continue Reading

• An IT ops guide to CMDB automation

  Automating repetitive tasks like software upgrades, lifecycle management and incident reports with a configuration management database can improve IT efficiency and reduce risk.Continue Reading

• Secure your machine learning models with these MLSecOps tips

  By following MLSecOps best practices, companies can introduce AI and machine learning into development pipelines and processes without adding unmitigated security concerns, too.Continue Reading

• Do-While vs. Do-Until in PowerShell: What's the difference?

  PowerShell scripts have several loop options to make automation easy. Learn the difference between Do-While and Do-Until loops and choose which one works best for you.Continue Reading

• How to create and deploy AWS Lambda functions with Terraform

  Deploying AWS Lambda functions with Terraform can save time and reduce risk. In this video tutorial, learn the proper deployment steps.Continue Reading

• Docker Swarm

  Docker Swarm is a container orchestration tool for clustering and scheduling Docker containers.Continue Reading

• From distributed to true edge: 4 edge computing examples

  The optimal applications for edge computing remain in contention as the technology evolves. These examples highlight a shift from distributed computing to true edge environments.Continue Reading

• DevOps engineer

  A DevOps engineer is an IT professional who works with software developers, systems operators and other production IT staff to oversee code releases and deployments.Continue Reading

• infrastructure as code (IaC)

  Infrastructure as code, also referred to as IaC, is an IT practice that codifies and manages underlying IT infrastructure as software.Continue Reading

• ZeroOps

  ZeroOps is when developers spend zero time working with infrastructure and operations, instead spending all their time and creative energy on software product development.Continue Reading

• Microsoft Hyper-V vs. VMware vSphere: Feature comparison

  Hyper-V and VMware are in a perpetual battle for supremacy in the virtualization market. Although the hypervisors have similar features, they differ on some key capabilities.Continue Reading

• Top AI tools for DevOps teams to consider

  The DevOps toolchain is at an inflection point as enterprises seek to improve collaboration, productivity, efficiency and security across their DevOps lifecycle using AI.Continue Reading

• Deploy OpenTelemetry to improve Kubernetes observability

  Deploying OpenTelemetry on Kubernetes can give teams a leg up in observability monitoring. It only takes a few simple steps to get the tool up and running.Continue Reading

• Kubernetes

  Kubernetes, also referred to as K8s for the number of letters between K and S, is an open source platform used to manage containerized applications across private, public and hybrid cloud environments.Continue Reading

• SRE vs. DevOps: What's the difference?

  The lines between site reliability engineering and DevOps aren't always clear. Building a harmonious relationship between the teams starts with understanding their distinct roles.Continue Reading

• service virtualization

  Service virtualization is the process of creating replicas of systems that new applications depend on to test how well the application and systems integrate.Continue Reading

• An IT ops guide to Kubernetes Job vs. CronJob

  Jobs and CronJobs both execute tasks in Kubernetes. Their key difference comes down to frequency, and matching a task with the wrong Job type can lead to unsuccessful execution.Continue Reading

• platform engineering

  Platform engineering is a specialized discipline within software development that focuses on designing, building, maintaining and improving the toolchains and workflows software developers use.Continue Reading

• WebAssembly vs. Kubernetes: Understand the relationship

  WebAssembly provides an avenue for the creation of highly portable web applications. Pairing Wasm with Kubernetes can make that process easier to orchestrate and manage.Continue Reading

• platform

  In IT, a platform is any hardware or software used to host an application or service.Continue Reading

• Set up a Terraform S3 backend with this video tutorial

  Storing your state files remotely makes for more stable infrastructure. Watch this video tutorial to learn how to build a Terraform AWS S3 backend to properly secure state files.Continue Reading

• Cloud Native Computing Foundation (CNCF)

  The Cloud Native Computing Foundation (CNCF) is an open source software foundation that promotes the adoption of cloud-native computing.Continue Reading

• site reliability engineering (SRE)

  Site reliability engineering (SRE) is the application of scripting and automation to IT operations tasks such as maintenance and support.Continue Reading

• Automate IT operations with VMware and Ansible

  When paired with VMware, Ansible software can help automate IT tasks. Learn the steps to install Ansible and how to set up a virtual machine through vCenter.Continue Reading

• How AI affects low-code/no-code for DevOps

  Low-code and no-code tools expand the DevOps community in an organization and -- when coupled with AI -- can enhance the effectiveness of their workflows and products.Continue Reading

• A guide to the key stages of AIOps

  The key stages that make up AIOps all play an important role in achieving desired results. Successful adoption hinges on a team's ability to master them.Continue Reading

• Get started with Argo CD workflow examples for Kubernetes

  Argo CD workflows can make managing Kubernetes clusters simpler and more efficient. Learn how to install Argo CD and set up an application to get started.Continue Reading

• Docker

  Docker is an open source software platform used to create, deploy and manage virtualized application containers on a common operating system (OS), with an ecosystem of allied tools.Continue Reading

• 10 common platform engineering interview questions

  Platform engineering is gaining popularity across software enterprises. Job candidates can practice answering these 10 common questions to prepare for their interviews.Continue Reading

• Managing open source components in the software supply chain

  Software supply chain attacks are becoming increasingly common. There is no single measure that can stop attacks, but implementing security precautions can reduce risk.Continue Reading

• How to run ML workloads with Apache Spark on Kubernetes

  IT staff looking for ways to maintain ML workloads with ease are increasingly turning to Apache Spark. Follow these simple steps to set up a Spark cluster on Kubernetes.Continue Reading

• How to kickstart a proof-of-concept IT project

  Like any IT initiative, operations staff need a clear vision for a proof-of-concept project. From the justification to reporting stages, knowing the steps can bolster PoC success.Continue Reading

• Terraform

  HashiCorp Terraform is an infrastructure as code (IaC) software tool that allows DevOps teams to automate infrastructure provisioning using reusable, shareable, human-readable configuration files.Continue Reading

• How to roll back Git code to a previous commit

  Git reset and git revert can be lifesavers for developers. Follow these examples to see which command makes the most sense when mistakes arise during development.Continue Reading

• shift-left testing

  Shift-left testing is a software testing approach in which the code is tested in the earlier stages of the software development lifecycle (SDLC).Continue Reading

• policy engine

  A policy engine is a software component that allows an organization to create, monitor and enforce rules about how network resources and the organization's data can be accessed.Continue Reading

• containers (container-based virtualization or containerization)

  Containers are a type of software that can virtually package and isolate applications for deployment.Continue Reading

• Decide when and how to adopt an MLOps framework

  Unsure where to start when it comes to standardizing your organization's machine learning processes? Explore key considerations and practical tips for adopting an MLOps framework.Continue Reading

• server hardware degradation

  Server hardware degradation is the gradual breakdown of the physical parts of a server.Continue Reading

• Concurrent programming in Go with channels and goroutines

  In this hands-on guide, you'll learn how to write faster, more efficient Go code by taking advantage of channels, the language's built-in mechanism for managing concurrent tasks.Continue Reading

• Linkerd

  Linkerd is an open source network proxy installed as a service mesh for Kubernetes.Continue Reading

• Nagios

  Nagios is an open source IT system monitoring tool.Continue Reading

• Automate workflows by running PowerShell in GitHub Actions

  By running PowerShell scripts in GitHub Actions workflows, admins can automate common DevOps and IT management tasks. Get started with these hands-on examples.Continue Reading

• Alpine Linux

  Alpine Linux is a small, security-oriented, lightweight Linux distribution based on the musl C standard library and BusyBox utilities instead of GNU.Continue Reading

• WebAssembly

  WebAssembly (Wasm) is a binary instruction format for compiling and executing code in a client-side web browser.Continue Reading

• VM BIOS (virtual machine basic input/output system)

  A VM BIOS (virtual machine basic input/output system) is the set of instructions that controls the booting process of a VM.Continue Reading

• Knative

  Knative is an open source project based on the Kubernetes platform for building, deploying and managing serverless workloads that can run in the cloud, on premises or in a third-party data center.Continue Reading

• Install Calico for Kubernetes in this video walkthrough

  In this video tutorial and demo, a DevOps engineer explains how to manage network traffic in Kubernetes clusters with Calico, a Container Network Interface plugin.Continue Reading

• storage pool

  A storage pool is capacity aggregated from disparate physical storage resources in a shared storage environment.Continue Reading

• Kubernetes networking 101: Best practices and challenges

  Before jumping into the landscape of CNI plugins for Kubernetes, it's important to understand the basic elements of Kubernetes networking. Follow this guide to get started.Continue Reading

• Manage multiple environments with Terraform workspaces

  Terraform workspaces let DevOps teams manage configurations for different environments in a centralized way. Get started with workspaces through hands-on examples in this tutorial.Continue Reading

• Docker Engine

  Docker Engine is the underlying client-server technology that supports the tasks and workflows involved in building, shipping and running containerized applications using Docker's components and services.Continue Reading

• continual service improvement

  Continual service improvement (CSI) is a method to identify and execute opportunities to improve IT processes and services, and to objectively measure the effects of these efforts over time.Continue Reading

• mean time to detect (MTTD)

  Mean time to detect (MTTD) is a measure of how long a problem exists in an IT deployment before the appropriate parties become aware of it.Continue Reading

• Ansible playbook

  An Ansible playbook is an organized unit of scripts that defines the tasks involved in managing a system configuration using the automation tool Ansible.Continue Reading

• continuous deployment

  Continuous deployment is a strategy for software development and releases in which every code change is automatically run through a pipeline of tests and inspections before being pushed into production.Continue Reading

• AIOps (artificial intelligence for IT operations)

  Artificial intelligence for IT operations (AIOps) is an umbrella term for the use of big data analytics, machine learning and other AI technologies to automate the identification and resolution of common IT issues.Continue Reading

• Manage IT infrastructure with NSX's multi-tenant features

  VMware NSX now supports multi-tenancy, which can help admins manage complex IT environments. Explore what's new and get started with this step-by-step walkthrough.Continue Reading

• GitOps

  GitOps is an operational framework that applies DevOps practices, such as continuous integration/continuous delivery (CI/CD) and version control, to infrastructure automation.Continue Reading

• Learn how to use the PowerShell Trim method

  With the Trim method in your PowerShell toolbox, you can write scripts to remove unwanted characters from strings without using regular expressions. Get started with this tutorial.Continue Reading

• SBOMs and security: What IT and DevOps need to know

  By integrating software bill of materials creation into the software development lifecycle, IT and DevOps teams can build more secure and maintainable applications.Continue Reading

• 5 best practices for building a strong DevOps culture

  Under the CALMS framework, establishing an open, collaborative culture from the outset is just as important as tools and technologies when starting out on your DevOps journey.Continue Reading

• disaggregated server

  A disaggregated server is a server whose components and resources are divided into subsystems.Continue Reading

• Can you use Kubernetes without Docker?

  Although Docker and Kubernetes are often used together, the two serve different roles in IT environments -- and Docker containers aren't the only option for Kubernetes deployments.Continue Reading

• phased rollout

  Phased rollout is a hardware or software migration method that involves incrementally implementing a new system.Continue Reading

• Improve Kubernetes network performance with Cilium and eBPF

  Learn how the Cilium Kubernetes plugin and eBPF framework can improve network efficiency and security, then walk through installing Cilium on a K3s cluster with sample code.Continue Reading

• cloud orchestration (cloud orchestrator)

  Cloud orchestration is the use of programming technology to manage the interconnections and interactions among workloads on public and private cloud infrastructure.Continue Reading

• Stay ahead of threats with DevOps security best practices

  Unsure where to start when it comes to securing your DevOps environment? Taking these five actions can strengthen your organization's defenses against cyber attacks.Continue Reading

• virtual machine (VM)

  A virtual machine (VM) is an operating system (OS) or application environment installed on software that imitates dedicated hardware.Continue Reading

• IT monitoring

  IT monitoring is a process that gathers metrics on the operations of an IT environment.Continue Reading

• configuration file

  A configuration file, often shortened to 'config file,' defines the parameters, options, settings and preferences applied to operating systems (OSes), infrastructure devices and applications in an IT context.Continue Reading

• systems operator (sysop)

  In IT, a systems operator (sysop) is a person who runs computer servers and other devices on a daily basis in a data center.Continue Reading

• Set up a machine learning pipeline in this Kubeflow tutorial

  For teams running machine learning workflows with Kubernetes, using Kubeflow can lead to faster, smoother deployments. Get started with this installation guide.Continue Reading

• service discovery

  Service discovery is the automatic detection of devices and offered services over a network.Continue Reading

• open core model (open core software)

  The open core model is an approach to software development that combines attributes of both the open source and closed source models.Continue Reading

• mutation testing

  Mutation testing, also known as code mutation testing, is a form of white box testing in which testers change specific components of an application's source code to ensure a software test suite can detect the changes.Continue Reading

• Platform engineering vs. DevOps: What's the difference?

  Platform engineering and DevOps both contribute to successful software development, but it's important to understand the nuances between the two functions in an IT organization.Continue Reading

• Manage complex IT environments with AIOps and observability

  As IT environments grow in complexity, AIOps and observability tools can provide valuable insights and identify problem areas -- but prepare for adoption hurdles along the way.Continue Reading