Distributed Application Architecture (Scale-Out Architecture) for IT
The distributed application architecture topic center offers advice and tips for IT operations professionals handling new application types and the methods by which distributed, scale-out applications are deployed. These include virtualization containers and microservices, event-driven computing, and cloud application management.
Top Stories
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Conference Coverage
05 Oct 2022
KubeCon + CloudNativeCon 2022 news coverage
Trying to keep up with the latest news out of KubeCon + CloudNativeCon? Use this comprehensive guide to stay updated and informed on both the North American and European events. Continue Reading
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Tip
07 Mar 2022
Micro apps vs. microservices: What developers should know
On the surface, the contrast between micro apps and microservices simply seems a matter of front-end vs. back-end concerns. But this isn't the only difference worth knowing. Continue Reading
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Tip
23 Nov 2022
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
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Tip
22 Nov 2022
Explore network plugins for Kubernetes: CNI explained
With Container Network Interface plugins, IT teams can create and deploy network options for diverse Kubernetes environments. Learn how CNI works and compare top network plugins. Continue Reading
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Tip
21 Nov 2022
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
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News
18 Nov 2022
Knowledge graphs and GraphQL: What DevOps pros need to know
New approaches to data management and business analytics have found their way into IT automation and observability tools -- now what? Continue Reading
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News
17 Nov 2022
Server-side WebAssembly prepares for takeoff in 2023
Server-side WebAssembly is still a work in progress, but engineers at Adobe and BMW say it shows promise for fast, flexible app management among cloud and edge environments. Continue Reading
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Tip
16 Nov 2022
Compare Kubernetes StatefulSet vs. deployment vs. DaemonSet
Kubernetes has several ways to deploy applications, including deployments, DaemonSets and StatefulSets. But each resource type has unique benefits, drawbacks and use cases. Continue Reading
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Tip
14 Nov 2022
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
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Tip
10 Nov 2022
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
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Opinion
10 Nov 2022
3 actions to optimize infrastructure as code initiatives
Learn how to get the most out of IaC and read analyst insights from HashiConf 2022, including Terraform updates and predictions about what's next for observability. Continue Reading
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Tutorial
10 Nov 2022
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
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Tutorial
07 Nov 2022
Manage Kubernetes clusters with PowerShell and kubectl
Learn how to use the Kubernetes tool kubectl in PowerShell, including setting up aliasing and tab-completion, parsing JSON output and searching logs with the Select-String cmdlet. Continue Reading
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Opinion
07 Nov 2022
Looking back on KubeCon + CloudNativeCon 2022
With this year's KubeCon + CloudNativeCon North America over, review vendor updates on topics ranging from cloud-native adoption to AIOps approaches and ease-of-use offerings. Continue Reading
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News
03 Nov 2022
New ServiceNow apps automate organizational productivity
ServiceNow rolled out applications for the Now Platform that assists IT shops with organizational productivity planning and building flexible hybrid work environments. Continue Reading
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News
02 Nov 2022
Fresh crop of IT automation tools targets platform engineers
As enterprise IT shifts from full-stack DevOps to platform engineering, IT automation tools reinvented for the Kubernetes era can reduce toil for operators. Continue Reading
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News
01 Nov 2022
Security AI shifts left into DevSecOps
DevSecOps vendors such as GitLab and Palo Alto's Prisma Cloud embrace security AI throughout the software development lifecycle, as IT trust in AI grows. Continue Reading
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Opinion
01 Nov 2022
AnsibleFest 2022: Automation across distributed environments
IT environments are more distributed than ever, making infrastructure management increasingly challenging. Ansible's automation capabilities can help IT ops handle the complexity. Continue Reading
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Tip
31 Oct 2022
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
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News
28 Oct 2022
Sidecarless service mesh: Fad or the future?
Istio's experimental Ambient Mesh is gathering buzz with the promise of simpler operations, but Linkerd loyalists contend that the sidecar itself isn't the real problem. Continue Reading
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News
27 Oct 2022
Platform engineers plug abstraction leaks
Platform engineers presented at KubeCon about how new tools have helped them better hide infrastructure complexity from developers. But a paradox of choice remains. Continue Reading
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Tip
26 Oct 2022
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
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News
25 Oct 2022
OpenShift roadmap preps for Kubernetes multi-cluster sprawl
OpenShift now supports Kubernetes deployments from data centers to edge devices, which calls for fresh ways to scale out multi-cluster control planes. Continue Reading
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Tip
24 Oct 2022
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
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News
20 Oct 2022
Observability tools add FinOps amid macroeconomic worries
FinOps features added to observability tools from Datadog and Sysdig this week reflect concerns about cloud cost management amid gloomy economic forecasts. Continue Reading
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Tip
20 Oct 2022
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
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Opinion
18 Oct 2022
Streamline Kubernetes deployments by using a service mesh
Implementing a service mesh could be well worth the time and effort for organizations looking for ways to manage their Kubernetes and cloud-native application deployments. Continue Reading
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News
18 Oct 2022
Enterprises learn the downsides of DevSecOps metrics
DevSecOps metrics can be helpful, but they can also steer developer and security collaboration in an unproductive direction if they are over-emphasized, practitioners said. Continue Reading
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Tip
17 Oct 2022
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
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Tip
14 Oct 2022
What DevOps teams need to know about API management
Managing today's sprawling API ecosystems is increasingly daunting for DevOps teams. Learn what to look for when choosing a tool to reduce the complexity of API management. Continue Reading
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Tip
12 Oct 2022
Combat ransomware with continuous backup software, strategy
No IT organization is safe from a ransomware attack, making backup maintenance critical. Learn the pros and cons of continuous backups in terms of costs, storage and recovery time. Continue Reading
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Tip
12 Oct 2022
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
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Tip
11 Oct 2022
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
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Tip
07 Oct 2022
Compare container orchestrators Apache Mesos vs. Kubernetes
Exploring options for container orchestration? Kubernetes' popularity doesn't mean it's always the best choice. Discover the tradeoffs and use cases of Mesos vs. Kubernetes. Continue Reading
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News
06 Oct 2022
HashiCorp Waypoint public beta adds fresh take on PaaS
The sales pitch for HashiCorp Waypoint sounds a lot like traditional PaaS, but its technical approach may be uniquely well-suited to the recent rise of DevOps platform engineering. Continue Reading
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Feature
06 Oct 2022
What we can learn from the top DevOps articles of 2022
From runbooks to open source tools and self-service portals, 2022 was a big year for DevOps. IT teams preparing for 2023 should brush up on their understanding of DevOps. Continue Reading
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News
06 Oct 2022
ServiceNow buys Era Software to unify observability strategy
ServiceNow's acquisition of Era Software looks to strengthen the company's position in the observability market and make digital transformation projects easier to implement. Continue Reading
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News
06 Oct 2022
Splunk suit claims Cribl built on stolen log management IP
Former Splunk employees and industry watchers reacted to a lawsuit filed by Splunk this week alleging that Cribl's business is based on stolen log management code. Continue Reading
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News
06 Oct 2022
Terraform Cloud continuous validation inches toward GitOps
Terraform is already part of the GitOps workflow for some enterprises, but a new continuous validation feature could increase its overlap with tools such as Argo CD and Flux. Continue Reading
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Tip
05 Oct 2022
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
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News
05 Oct 2022
HashiCorp cloud security evolves via Boundary, Consul, Vault
With the debut of Boundary on HashiCorp Cloud Platform, along with updates for Vault and Consul, the vendor lays the foundation for a long-term product strategy. Continue Reading
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Conference Coverage
05 Oct 2022
KubeCon + CloudNativeCon 2022 news coverage
Trying to keep up with the latest news out of KubeCon + CloudNativeCon? Use this comprehensive guide to stay updated and informed on both the North American and European events. Continue Reading
-
Tip
04 Oct 2022
How to stop ransomware: 4 steps to ransomware containment
Even with the best security efforts, ransomware sometimes breaches organizations' defenses -- but IT teams can prevent a ransomware attack from escalating with these four steps. Continue Reading
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News
04 Oct 2022
Dynatrace overhauls AIOps back end, beefs up log analytics
The AIOps vendor unveiled a new approach to data management that has enterprise customers such as BT hopeful it could eliminate the need for separate log analytics products. Continue Reading
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News
29 Sep 2022
Cloud Custodian spans FinOps, SecOps cloud policies
Users such as Avalara and HBO Max use Cloud Custodian to manage cloud cost and security policies, as the project's founders prepare Kubernetes support to rival OPA and Kyverno. Continue Reading
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Tip
29 Sep 2022
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
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News
28 Sep 2022
CloudBees ReleaseIQ buy renews CI/CD pipeline, SaaS support
The newly acquired startup adds SaaS-based low-code views into multiple tools and doesn't require upfront integration work, as CloudBees regroups after recent upheavals. Continue Reading
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Tip
28 Sep 2022
Creating an effective change management process for IT ops
Handling changes is challenging in complex virtualized environments with extensive automation and dependencies. Learn what IT teams need to know for effective change management. Continue Reading
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Feature
26 Sep 2022
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
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Answer
23 Sep 2022
How do I maintain an Azure VM static IP during a reboot?
Microsoft Azure users can assign static IP addresses to VMs, but doing so has notable downsides as well as benefits. Learn how and why to assign static IPs to Azure VMs. Continue Reading
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News
22 Sep 2022
IT pros pan government software supply chain security advice
As the prospect of federally mandated SBOM drives up usage of the software supply chain security tech, the government's documentation so far adds to risky confusion, experts say. Continue Reading
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News
20 Sep 2022
Aqua adds software supply chain security to DevSecOps mix
A new software supply chain security module for Aqua's platform correlates runtime security monitoring with pre-deployment scans as IT pros look to merge disparate tools. Continue Reading
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Tutorial
20 Sep 2022
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
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News
19 Sep 2022
Dell Apex joins with OpenShift, deepens VMware uncertainty
Dell jumps on the Red Hat OpenShift bandwagon with its Apex container management products, intensifying uncertainty about the future of VMware Tanzu under Broadcom. Continue Reading
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Tip
19 Sep 2022
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
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Tip
16 Sep 2022
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
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Guest Post
14 Sep 2022
Kubernetes clusters multiply like Tribbles -- but why?
Like the U.S.S. Enterprise faced a rapidly compounding Tribble problem, Kubernetes admins find themselves in a similar situation with clusters. What do you do now? Continue Reading
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Feature
14 Sep 2022
5 distributed tracing tools to ease application monitoring
DevOps and IT teams can use distributed tracing to monitor microservices and ensure applications run smoothly. Explore five tools to help pinpoint any system issues. Continue Reading
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Tutorial
12 Sep 2022
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
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Tip
09 Sep 2022
Help desk documentation: Best practices for DevOps teams
Creating accurate, up-to-date documentation for help desks is critical to software development and adoption -- but it also poses challenges for DevOps organizations. Continue Reading
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Tip
08 Sep 2022
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
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Opinion
07 Sep 2022
How automating distributed cloud infrastructure changes IT
As IT environments become increasingly distributed and complex, organizations are exploring how automation can address their evolving IT operations and infrastructure needs. Continue Reading
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Opinion
06 Sep 2022
What to consider in scaling automation for distributed cloud
Infrastructure automation accelerates IT ops, fosters innovation and creates competitive advantage -- but executive support is essential, especially in complex cloud environments. Continue Reading
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Tip
06 Sep 2022
Prepare for ransomware attacks on critical infrastructure
Prevention and protection are often the focus of ransomware discussions, but IT teams must understand ransomware's effects on operations and how to react in an attack scenario. Continue Reading
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Tip
01 Sep 2022
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
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News
31 Aug 2022
VMware Tanzu sets up edge computing showdown with OpenShift
Enterprise edge computing is still at a nascent stage, but a battle is brewing between Kubernetes platforms such as VMware Tanzu and OpenShift to support the emerging trend. Continue Reading
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Tutorial
30 Aug 2022
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
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News
30 Aug 2022
VMware Tanzu teases vSphere, PaaS tie-ins -- but doubts linger
VMware said enhanced Kubernetes integrations for vSphere and Cloud Foundry, some in the works for years, will ship soon, but the pending Broadcom deal gives some observers pause. Continue Reading
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Tip
26 Aug 2022
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
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News
25 Aug 2022
Kubernetes security reaches maturity milestone with v1.25
Kubernetes Pod Security Admission has reached stable status, replacing Pod Security Policies, as the core Kubernetes framework delegates advanced features to the wider community. Continue Reading
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Tip
25 Aug 2022
Emerging approaches to HCI for IT services
Hyper-converged infrastructure's increased support for containers, composability and hybrid cloud deployments has attracted IT teams with reduced costs and improved efficiency. Continue Reading
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Tip
23 Aug 2022
Compare running Kubernetes on VMs vs. bare-metal servers
Planning to run a cloud-native application with Kubernetes? Compare the advantages and drawbacks of deployments on VMs and physical servers. Continue Reading
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Tip
22 Aug 2022
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
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Tip
18 Aug 2022
What to do when a VM is compromised
When security incidents arise -- and they will -- IT administrators can restore, reset or completely wipe VMs to return them to health and get them back into production. Continue Reading
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News
11 Aug 2022
Sigstore co-creator talks GitHub, Kubernetes and next steps
Dan Lorenc reflects on a whirlwind year for his open source project, now officially incorporated into Kubernetes and GitHub's npm registry, and his plans for the year to come. Continue Reading
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News
10 Aug 2022
AWS, Splunk and more launch cybersecurity analytics standard
AWS and other IT vendors will start building connectors based on a new standard schema meant to streamline data sharing between cybersecurity tools. Continue Reading
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Tip
10 Aug 2022
DevOps vs. AgileOps: What's the difference?
While AgileOps may seem like a sign that the IT industry has reached 'peak Ops,' the approach could enable DevOps teams to further refine their operations. Continue Reading
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Tip
10 Aug 2022
How to create and manage a rock-solid DevSecOps framework
Going from DevOps to DevSecOps requires a serious adjustment -- but it's a change that improves both the IT ecosystem and the IT department's collaboration prowess. Continue Reading
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Tip
09 Aug 2022
Docker's rootless mode a welcome security update
Docker containers have root privileges by default -- a known security issue for several years. Now Docker's rootless mode separates containers from underlying infrastructure. Continue Reading
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News
08 Aug 2022
Blue chips hone continuous compliance as GRC pressures mount
The concept of continuous improvement has found its way into IT governance, as companies such as Fannie Mae, JPMorgan Chase and John Deere embrace continuous compliance. Continue Reading
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Feature
04 Aug 2022
Explore the 2022 application performance monitoring market
APM helps organizations get a leg up with insight into customers and applications -- and the market is only going to grow bigger as technology advances and becomes more complex. Continue Reading
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Tutorial
04 Aug 2022
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
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News
03 Aug 2022
Another new CloudBees CEO faces fierce CI/CD tools rivalry
Former SAP and Cisco strategy exec Anuj Kapur is tasked with keeping CloudBees CI/CD and DevOps platform tools relevant as the cloud-native arms race intensifies. Continue Reading
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Tip
01 Aug 2022
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
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Tip
29 Jul 2022
Get to know Amazon DevOps Guru for system monitoring
Amazon DevOps Guru gives IT admins machine learning-driven insights into applications to respond to problems quickly and efficiently. Discover how it works and its benefits. Continue Reading
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News
28 Jul 2022
AWS adds Kubernetes security tie-ins amid SecOps tool sprawl
Amazon Detective pulls Kubernetes security data into a broader threat detection and CSPM context as IT pros at large orgs seek integrated multi-cloud security workflows. Continue Reading
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News
28 Jul 2022
How Zoom security incident response survived the pandemic
March 2020's influx of users meant the video conferencing company had to massively scale its incident response operation and the observability infrastructure that fed it, and fast. Continue Reading
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Answer
27 Jul 2022
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
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Tip
26 Jul 2022
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
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News
26 Jul 2022
Mirantis Kubernetes deployment buy ups DevOps platform ante
The Mirantis Lens IDE will integrate the Lagoon Kubernetes deployment project to provide a self-service DevOps platform alternative with no developer Kubernetes training required. Continue Reading
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Tip
25 Jul 2022
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
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Tip
21 Jul 2022
Patching best practices IT ops and security can agree on
Patches are necessary for maintenance, but can often cause a rift between IT ops and security teams. Follow these best practices to unify expectations and keep tension at bay. Continue Reading
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News
20 Jul 2022
CNCF, CISA address hurdles to SBOM for cloud security
Discussions in the tech industry about how to overcome cloud security challenges for SBOMs include an early-stage CNCF idea that uses a graph database to manage transitory metadata. Continue Reading
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Tip
19 Jul 2022
Compare Docker vs. Podman for container management
Docker and Podman offer similar capabilities to manage containers, but Docker's security vulnerabilities might make Podman more appealing for some admins. Continue Reading
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Tutorial
14 Jul 2022
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
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News
14 Jul 2022
New Red Hat CEO faces hybrid cloud challenges
Matt Hicks, now Red Hat CEO, and newly appointed Chairman Paul Cormier discuss the links between open source security and sustainability and Red Hat's hybrid cloud mission. Continue Reading
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Opinion
13 Jul 2022
IRL: Cisco Live 2022 goes full-stack o11y
Observability, or o11y, looks more deeply and broadly into an IT environment than traditional IT monitoring. At Cisco Live in June, Cisco unveiled plans for full-stack o11y. Continue Reading
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Tip
11 Jul 2022
Adopt a zero-trust framework for a safer IT ecosystem
Zero trust sounds like opposition to DevOps' all-for-one culture model, but it's a safety model organizations should evaluate. Safeguard everything with identity authentication. Continue Reading
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Tutorial
08 Jul 2022
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
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Tip
07 Jul 2022
6 technical debt examples and how to solve them
Technical debt can be critical to an organization's success or failure -- and many don't even know it exists. Discover six examples of where it collects and how to eliminate it. Continue Reading
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Tip
06 Jul 2022
Top observability tools for 2022
Observability tools can give developers and IT administrators better insight on applications to improve delivery, performance and customer experience -- and avoid potential issues. Continue Reading
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Tip
05 Jul 2022
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