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• Step-by-step guide to working with Crossplane and Kubernetes

  Crossplane is built to extend Kubernetes resources to and from external sources like databases, the cloud or the edge. Try out the tool, and learn its processes with this tutorial. Continue Reading

• real user monitoring (RUM)

  Real user monitoring (RUM) is a technology used by developers and network operators to gain real-world observability into web performance and service availability. Continue Reading

• An introduction to SRE documentation best practices

  SRE documentation stands distinct from other types of IT documentation, not least because it's a core responsibility for site reliability engineers. What else makes it distinct? Continue Reading

• root cause analysis

  Root cause analysis (RCA) is a method for understanding the underlying cause of an observed or experienced incident. Continue Reading

• Is Kubernetes a hypervisor? How do they differ?

  Kubernetes, on the surface, appears to perform the same task as a hypervisor. Does that make Kubernetes a hypervisor? The short answer: No. Let's clarify why it's not. Continue Reading

• Definitions to Get Started

  • real user monitoring (RUM)
  • root cause analysis
  • hardware security
  • distributed applications (distributed apps)

  • Elastic Stack (ELK Stack)
  • virtual switch (vSwitch)
  • on-demand computing
  • AMD (Advanced Micro Devices)

  View All Definitions

• Putting up DevOps guardrails -- what does that mean?

  IT projects without proper communication and collaboration can be risky for organizations to take on -- that's where DevOps guardrails come in. Learn more below.Continue Reading

• Observability as code is key to the cloud operating model

  Why is everything becoming 'as code'? Believe it or not, it's easier to manage and can save the headache of adopting a new, specialized tool. Use the tools you have for OaC.Continue Reading

• Follow this tutorial to get started with Azure Bicep

  Azure Bicep enables IT ops teams working with IaC to create and deploy Azure resources in a more streamlined manner. Follow this tutorial to learn how.Continue Reading

• Use MicroK8s with Raspberry Pi in this tutorial

  Kubernetes is important to tackle, but its resource requirements can balloon dramatically. MicroK8s lets individuals experiment with the platform -- try it on Raspberry Pi 4.Continue Reading

• Secure your infrastructure against VM ransomware

  More hackers are using VMs as an access point to install and deploy encrypted ransomware. Make sure your security strategy includes prevention, response and analysis.Continue Reading

• hardware security

  Hardware security is vulnerability protection that comes in the form of a physical device rather than software that's installed on the hardware of a computer system.Continue Reading

• distributed applications (distributed apps)

  Distributed applications (distributed apps) are applications or software that run on multiple computers within a network at the same time and can be stored on servers or cloud computing platforms.Continue Reading

• Podman: A worthy alternative to Docker for containers

  Podman has long stood in Docker's shadow, but 'Podman in Action' author Daniel Walsh hopes to shine a light on Podman within the container market.Continue Reading

• Do hypervisors limit vertical scalability?

  Knowing hardware maximums and VM limits ensures you don't overload the system. Learn hypervisor scalability limits for Hyper-V, vSphere, ESXi and Red Hat Virtualization.Continue Reading

• An introduction to VMware KVM mode

  VM management often requires multiple monitors. KVM mode lets you set hot keys to navigate between VMs and the OS, so no task -- or workflow -- is lost among application windows.Continue Reading

• Scrum vs. DevOps: Are they intertwined or redundant?

  To keep up with a complex CI/CD environment, IT ops teams can choose between Scrum or DevOps -- or use them together. Discover the roles and benefits of each approach.Continue Reading

• An overview of hardware support for virtualization

  Intel, AMD and Arm processors optimize virtualization in multiple ways. Read up on the features for Intel VT, AMD-V, Armv9, Intel APICv, and AMD AVIC tech, as well as how they support VMs.Continue Reading

• Develop a DevOps branching strategy to promote efficiency

  Projects in DevOps environments can move quickly, which often creates chaos. To curb the confusion, use a branching strategy to track changes as teams work simultaneously.Continue Reading

• 7 principles of observability in modern applications

  Organizations must keep these seven principles top of mind when monitoring and organizing data to institute observability practices that resolve problems quickly.Continue Reading

• Elastic Stack (ELK Stack)

  The Elastic Stack is a group of open source products from Elastic designed to help users take data from any type of source and in any format, and search, analyze and visualize that data in real time.Continue Reading

• virtual switch (vSwitch)

  A virtual switch (vSwitch) is a software program that enables one virtual machine (VM) to communicate with another.Continue Reading

• The 3 pillars of observability: Logs, metrics and traces

  Logs, metrics and traces offer their individual perspectives on system performance. When analyzed together, they provide a complete picture of your infrastructure.Continue Reading

• Ubuntu snap vs. apt: Which package manager to use and when

  Choosing an appropriate package manager depends primarily on your organization's specific IT ecosystem. Determine when snap or apt is the better call.Continue Reading

• DevOps goals and objectives for a smooth adoption roadmap

  Start your organization's DevOps adoption journey with the right set of metrics -- and drill down from there. And while no two orgs are the same, they share some key goals.Continue Reading

• How to set up a K3s cluster

  Admins have choices when it comes to selecting a Kubernetes distribution. One such option is K3s, which can be used for development or production. Here's how to get started.Continue Reading

• on-demand computing

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

• How to track -- and measure -- technical debt

  Technical debt can grow without an organization's knowledge or control -- unless they address it at the start. Here are different methods and tools to track and manage it.Continue Reading

• Whip up recipes with 'Elasticsearch 8.x Cookbook'

  Elasticsearch is a powerful and potentially complicated tool. With 'Elasticsearch 8.x Cookbook,' users can split exercises into manageable bites.Continue Reading

• How to run Docker on an Azure VM

  Microsoft Azure offers a lot of container management services for enterprises to choose from. One of those options is Azure Container Instances. Here's how to get started.Continue Reading

• AMD (Advanced Micro Devices)

  Advanced Micro Devices (AMD) is a semiconductor company, known for designing and developing computer processors and graphics technologies.Continue Reading

• Use Dapr on Kubernetes to build microservices in production

  Dapr is an application runtime that targets cloud-native application development. Developers can use it to streamline their workflows. Here's how.Continue Reading

• Red Hat Summit 2022 news and conference guide

  Use this Red Hat conference guide to get the latest information from keynote speakers and industry experts on current trends and emerging technologies.Continue Reading

• Important DevOps engineer programming languages to learn

  We've learned that DevOps demands some code knowledge -- but there are a lot of languages to choose from. Think about CI/CD, object-oriented languages and infrastructure as code.Continue Reading

• How to secure passwords with PowerShell

  Storing passwords in plain text is bad, but what methods are good? Try one of these approaches, such as secure strings or the SecretManagement module, to encrypt passwords.Continue Reading

• How to compare Docker images with container-diff

  You could pay for a vendor to analyze container images for you, or you could use container-diff for free. Compare container images before deployment to avoid unfortunate mishaps.Continue Reading

• How to build a virtual router with VMware Workstation

  Virtual networks in testing and development setups require virtual routers. In this step-by-step tutorial, use VMware and Windows tools to set up a virtual router.Continue Reading

• Basic virsh network commands to know

  It's helpful to know how to use virsh commands to manage VMs and virtual networks; some cloud providers don't support Ansible or VirtualBox. Get started with a few commands.Continue Reading

• The future of OpenTelemetry for observability

  To collect and analyze telemetry data from cloud-native apps, many organizations use OpenTelemetry for system observability. Discover its benefits and primary components.Continue Reading

• How to choose the best CPU for virtualization

  Selecting the right CPU for virtual infrastructures depends on many factors, including feature sets and hardware specs. Proper configuration of processor resources is also crucial.Continue Reading

• Use Jenkins for deployment, support and provisioning in ops

  IT organizations that keep Jenkins on the development side of the house miss out on the orchestrated workflow capabilities it brings to operations tasks.Continue Reading

• How to use abstracted repositories in dependency injection

  Dependencies in software design can complicate matters. Dependency injection helps simplify it -- but it's not without its faults. Here's what you need to know.Continue Reading

• How to secure Kubernetes clusters in 7 steps

  Kubernetes security is critical for an enterprise's welfare. To protect Kubernetes clusters, create a plan to implement security protocols and control access.Continue Reading

• Manage resource use with VMware Horizon application pools

  Load balancing is challenging in any environment, but with virtual desktops, uniformity of user experience is high priority. Use VMware Horizon to distribute vital resources.Continue Reading

• Follow this 10-point virtualization security checklist

  Failover clustering, encryption and prompt patching practices can help admins shore up their VMs in the face of online security threats from sources such as malware and bad actors.Continue Reading

• Prepare for these common SRE interview questions

  To ace that job interview, aspiring SREs should prepare to discuss everything from programming languages to network troubleshooting at varying levels of detail.Continue Reading

• How to use Pulumi Automation API, with examples

  In this tutorial, integrate Pulumi's Automation API into existing projects -- and remove the need for CLI to perform infrastructure lifecycle changes in a CI/CD pipeline.Continue Reading

• 6 DevOps soft skills and how they drive success

  DevOps is built on collaboration and communication -- and soft skills make that foundation strong. Discover six soft skills to help set you apart.Continue Reading

• Use Kubernetes and Terraform together for cluster management

  Kubernetes and Terraform provide many container cluster management benefits -- but combining the two makes them even stronger. In this tutorial, discover how to use them together.Continue Reading

• Is Kubernetes free as open source software?

  Kubernetes is available open source, but also from IT vendors. A complex tool, it enables container orchestration at scale. Which version will pay off for enterprise adopters?Continue Reading

• How to use Git to save PowerShell scripts

  Git eases scripting by pushing developers into better habits -- especially around change documentation. Get familiar with the technology and how to use it with PowerShell.Continue Reading

• host virtual machine (host VM)

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

• Agile operations (AgileOps)

  Agile operations, or AgileOps, is a digital business operating model that builds on Agile methodologies and DevOps techniques to help organizations adapt to change quickly and efficiently.Continue Reading

• What it means to do 'everything as code' in IT operations

  If the concept of 'everything as code' sounds overwhelming, don't worry. Learn what it means, how to get started and ways you might already be using it.Continue Reading

• virtual appliance

  Considered a software equivalent of a hardware device, a virtual appliance (VA) is a preconfigured software solution.Continue Reading

• How to install and deploy Quay on Red Hat OpenShift

  Quay enables Red Hat OpenShift users to store and manage container images -- with added advantages. Follow this tutorial to install and deploy the container registry.Continue Reading

• How to create a runbook template for uniform documentation

  To avoid inconsistencies and disaster, implement a runbook template to strengthen your existing runbooks -- this includes detailed and clear steps for structure and organization.Continue Reading

• CI/CD tutorial: How to set up a pipeline

  A CI/CD pipeline saves time and ensures software quality during development. Follow this tutorial to level up your project and reduce developer workload with automation.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

• Xen vs. KVM: What are the differences?

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

• guest OS (guest operating system)

  A guest OS is the operating system installed on either a virtual machine (VM) or partitioned disk.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

• 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

• Scalable Processor Architecture (SPARC)

  Scalable Processor Architecture (SPARC) is a 32- and 64-bit microprocessor architecture developed by Sun Microsystems in 1987.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

• IT systems management

  Systems management is the administration of the information technology (IT) systems in an enterprise network or data center.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

• 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

• virtual to physical (V2P)

  Virtual to physical (V2P) involves transferring or porting a virtual machine (VM) onto a physical machine.Continue Reading

• 8 key DevOps roles and responsibilities for team success

  More than most IT initiatives, DevOps is built around people. Involve the right professionals, and get those people primed to work in concerted ways.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

• 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

• 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

• 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

• 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

• 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

• ModelOps (model operations)

  ModelOps (model operations) is a holistic approach to building analytics models that can quickly progress from the lab to production.Continue Reading

• paravirtualization

  Paravirtualization is an enhancement of virtualization technology in which a guest OS is modified prior to installation inside a virtual machine (VM) in order to allow all guest OSes within the system to share resources and successfully collaborate,...Continue Reading

• 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

• 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

• 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

• platform

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

• virtualization

  Virtualization is the creation of a virtual -- rather than actual -- version of something, such as an operating system (OS), a server, a storage device or network resources.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

• COBOL (Common Business Oriented Language)

  COBOL (Common Business-Oriented Language) is a high-level programming language for business applications. It was the first popular language designed to be operating system-agnostic and is still in use in many financial and business applications ...Continue Reading

• virtual hard drive

  A virtual hard drive file is a container file that acts similar to a physical hard drive.Continue Reading

• virtual private server (VPS) or virtual dedicated server (VDS)

  A virtual private server (VPS), also called a virtual dedicated server (VDS), is a virtual server that appears to the user as a dedicated server, but that is actually installed on a computer serving multiple websites.Continue Reading

• Xen

  Xen is the open source hypervisor included in the Linux kernel and, as such, it is available in all Linux distributions.Continue Reading

• dependency hell

  Dependency hell is a negative situation that occurs when a software application is not able to access the additional programming it requires to work.Continue Reading

• Boot2Docker

  Boot2Docker is a minimalist Linux distribution with the sole purpose to run Docker containers. It was depreciated and is no longer recommended for use.Continue Reading

• DevOps 2.0

  DevOps 2.0 is the extension of DevOps practices through the entire organization, beyond development and IT ops.Continue Reading

• declarative programming

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

• AIOps (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

• distributed tracing

  Distributed tracing, also called distributed request tracing, is a method for IT and DevOps teams to monitor applications, especially those composed of microservices.Continue Reading

• branching

  Branching is the practice of creating copies of programs or objects in development to work in parallel versions, retaining the original and working on the branch or making different changes to each.Continue Reading

• Application Performance Index (Apdex)

  Application Performance Index, also known as Apdex, is an open standard intended to simplify reports of application performance.Continue Reading

• application containerization (app containerization)

  Application containerization is an OS-level virtualization method used to deploy and run distributed applications without launching an entire virtual machine for each app.Continue Reading

• blue/green deployment

  A blue/green deployment is a change management strategy for releasing software code.Continue Reading

• Learn the basics of virtual server security software selection

  There are multiple factors in choosing the right security software for VMs and virtual infrastructure. Get familiar with potential threats, features to have and market offerings.Continue Reading