Get started

Get started

Bring yourself up to speed with our introductory content.

• Use the CALMS framework for a smooth DevOps transition

  Adopting DevOps can be challenging, especially when communicating across IT and business teams. The five elements of the CALMS framework can help organizations measure progress. Continue Reading

• DevSecOps

  DevSecOps (development plus security plus operations) is an approach that combines application development, security, operations and infrastructure as code (IaC) in an automated continuous integration/continuous delivery (CI/CD) pipeline. Continue Reading

• How does Kubernetes use etcd?

  Etcd is a lightweight, highly available key-value store accessible to each node in a Kubernetes cluster. Find out how etcd works and learn how to use it inside Kubernetes. Continue Reading

• Kubernetes operator

  A Kubernetes operator is a method for application packaging and deployment that extends Kubernetes' capabilities to manage more complex, stateful workloads. Continue Reading

• composable infrastructure

  Composable infrastructure is a framework that decouples device resources in order to treat them as services. Continue Reading

• Definitions to Get Started

  • DevSecOps
  • Kubernetes operator
  • serverless computing
  • composable infrastructure

  • immutable infrastructure
  • legacy system (legacy application)
  • function as a service (FaaS)
  • real user monitoring (RUM)

  View All Definitions

• serverless computing

  Serverless computing is a cloud computing execution model that lets software developers build and run applications and servers without having to provision or manage the back-end infrastructure.Continue Reading

• Dissect open source ransomware code to understand an attack

  To protect your organization from ransomware, it's helpful to know what goes on behind the scenes. Unpack this ransomware code example to understand and defend against attacks.Continue Reading

• Make a business case for VMware training

  You can outsource infrastructure management to a third party or you can get IT admins the VMware training they need to install, manage and troubleshoot your environment.Continue Reading

• Manage VMs with Azure Automation State Configuration

  Admins can use the Azure Automation State Configuration tool to manage VMs in Azure, on premises and in other clouds. Follow this step-by-step tutorial to get started.Continue Reading

• immutable infrastructure

  Immutable infrastructure is an approach to managing services and software deployments on IT resources wherein components are replaced rather than changed.Continue Reading

• legacy system (legacy application)

  A legacy system is any outdated computing system, hardware or software that is still in use. Legacy systems include computer hardware, software applications, file formats and programming languages.Continue Reading

• Why and how to use container malware scanning software

  Malware is on the rise, and containers are potential attack vectors. Learn why it's crucial to check containers for vulnerabilities and compare container malware scanning tools.Continue Reading

• Configure Azure Load Balancer for session persistence

  Session persistence ensures users connect to the same server for the duration of their session. Find out how and why to set up session persistence in Azure Load Balancer.Continue Reading

• What Golang generics support means for code structure

  Generics are a relatively recent addition to the strongly and statically typed Go language. Learn the benefits of using generics in Golang and how to get started.Continue Reading

• Learn how to bootstrap Kubernetes clusters with kubeadm

  In this guide, learn to create, configure and run a Kubernetes cluster from scratch with kubeadm, a command-line tool that simplifies and automates cluster setup and management.Continue Reading

• What is a Raspberry Pi used for?

  IT infrastructure can get expensive fast, making single-board computers like the Raspberry Pi appealing for small projects. Learn what a Raspberry Pi does and explore IT use cases.Continue Reading

• function as a service (FaaS)

  Function as a service (FaaS) is a cloud computing model that enables cloud customers to develop applications and deploy functionalities and only be charged when the functionality executes.Continue Reading

• How to integrate and monitor Kubernetes with New Relic

  New Relic might be best known as a DevOps monitoring tool, but it can also help improve observability into your Kubernetes clusters. Follow this tutorial to get started.Continue Reading

• What IT pros need to know about low-code limitations

  Low-code environments promise to simplify and speed up software development, but their limitations can create challenges for enterprise IT. Compare models for low-code adoption.Continue Reading

• How to manage stateful containers with Kubernetes

  Organizations can reap the benefits of containers for stateful applications by using Kubernetes to maintain state in application processes and components.Continue Reading

• Open core vs. open source: What's the difference?

  Open core software has gained attention as an alternative to open source and proprietary models. Learn how open core differs from open source and the two approaches' pros and cons.Continue Reading

• Explore the pros and cons of Go for DevOps

  Author and Docker engineer Teiva Harsanyi explains the benefits of Golang -- including why he sees it as the future of back-end development -- and how to avoid common pitfalls.Continue Reading

• Learn to manage Kubernetes costs with this Kubecost tutorial

  Managing Kubernetes environments can be complex -- and expensive. Find out how to get started with Kubecost, a tool to monitor costs and capacity in Kubernetes clusters.Continue Reading

• How to use Kubernetes' self-healing capability

  Self-healing is a quality that enables software to autonomously resolve issues based on a desired state. Kubernetes' self-healing is built in, but it demands observation.Continue Reading

• How to bolster vulnerability management with DevSecOps

  DevSecOps pushes security work into every stage of the software delivery lifecycle. Vulnerability management is a critical element to this security posture.Continue Reading

• How to set up external authentication in Rancher with GitHub

  Local authentication is the default, but configuring Rancher to use external authentication services makes it easier to manage large, complex Kubernetes environments.Continue Reading

• Build AI into the DevOps maturity model for smooth sailing

  AI has promising applications in DevOps, but organizations must account for the maturity of their teams, processes and tools to ensure the success of their AI initiatives.Continue Reading

• What is K3OS and how does it relate to K3s?

  Discover the potential benefits of adopting K3OS, a lightweight Linux distribution developed to run Kubernetes workloads in low-resource environments.Continue Reading

• How and why PowerShell Linux commands differ from Windows

  PowerShell is a popular tool for IT professionals and a broad range of tasks. But PowerShell on Linux is not quite the same as on Windows. Let's explore the differences.Continue Reading

• What IT admins should consider when licensing a VM

  Licensing for virtual machines can be particularly tricky to navigate for IT admins, who must ensure proper licensing for hosts -- as well as software running inside VMs.Continue Reading

• How to establish a Kubernetes governance strategy

  Because Kubernetes is a large, complex tool that touches so much of the IT ecosystem, governance policies are important to meet both internal and external standards.Continue Reading

• 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

• 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