Managing Virtual Containers
Experts share tips and case studies in the virtual containers topic center, covering container management and deployment strategies, as well as how to troubleshoot issues with a container-based infrastructure and plan resource capacity on cloud or virtualized servers. You will also find news on container technology developments and adoption rates.
Top Stories
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Conference Coverage
20 Apr 2023
KubeCon + CloudNativeCon 2023 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 European and North American events. Continue Reading
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News
15 Feb 2022
F5 distributed cloud security services strike a trendy chord
As talk of multi-cloud management gives way to distributed cloud, which also ties in edge computing, F5 bundles application security services to expand its appeal to enterprises. Continue Reading
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News
27 Oct 2020
HashiCorp Nomad 1.0 expands monitoring polish, autoscaling
HashiCorp Nomad has been used in production before its 1.0 release, but its rapid development this year makes it applicable to a wider variety of uses. Continue Reading
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News
27 Oct 2020
NetApp Spot tools abstract compute, storage for containers
NetApp Spot optimizes containers for OnTap storage. The objective is to boost data management and protection as containers migrate between Kubernetes clusters. Continue Reading
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Tip
23 Oct 2020
Manage Kubernetes pods and nodes with these native features
In Kubernetes, pod management requires familiarity with the platform's native features. From Services and Jobs to taints and tolerations, learn how they help direct deployments. Continue Reading
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News
15 Oct 2020
Red Hat bolsters Ansible-Kubernetes bond via OpenShift ACM
Red Hat previewed new ties between its Ansible Automation Platform and OpenShift Kubernetes within its Advanced Cluster Management tool, as container platform competition intensifies. Continue Reading
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Feature
14 Oct 2020
Bare-metal container clusters: Infrastructure for next-gen apps
Learn the requirements, designs and software stacks used to build bare-metal clusters for containers using dedicated 1-2U HCI hardware instead of existing virtual machine servers. Continue Reading
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News
09 Oct 2020
Service mesh upstarts challenge Istio, Linkerd
Istio seemed destined for Kubernetes-like dominance in the service mesh market, but recent open source governance drama created an opening for competition from networking vendors. Continue Reading
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News
06 Oct 2020
Rancher Kubernetes bolsters security, multi-cloud management
Rancher Kubernetes stays ahead of competitors in multi-cloud management with version 2.5, but will its innovation and SUSE's backing be enough to fend off Red Hat and VMware? Continue Reading
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Tutorial
02 Oct 2020
Build and deploy a microservice with Kubernetes
Ready to run microservices in production? Follow along to create a containerized microservice and deploy it on Kubernetes in this step-by-step tutorial. Continue Reading
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News
30 Sep 2020
VMware Tanzu Kubernetes strategy hits integration milestone
VMware follows competitors in shipping a fully integrated Kubernetes infrastructure package, but vSphere tie-ins and a strong AWS partnership will bolster its enterprise appeal. Continue Reading
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Tip
30 Sep 2020
Manage containerized microservices with a service registry
It's easier than ever to spin up a containerized app, but that ease has created a problem: How to keep track of containerized microservices. Turn to service registries and orchestrators. Continue Reading
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News
29 Sep 2020
VMware buys SaltStack for security, configuration management
The acquisition of SaltStack will help VMware build event-driven security automation and configuration management into vRealize Automation, as open source Salt gains VMware's backing. Continue Reading
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News
18 Sep 2020
Kubernetes on Windows matures, but networking snags remain
Kubernetes on Windows is viable in production for some users via cloud providers' managed services, but IT pros need more networking and storage maturity for on-prem apps. Continue Reading
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News
17 Sep 2020
Mirantis rethinks Docker Swarm vs. Kubernetes
Docker Enterprise users say plans to allow Docker Swarm to run on a Kubernetes back end could provide both ease of use for developers and granular infrastructure control for ops. Continue Reading
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News
16 Sep 2020
Mirantis rejuvenates Docker Enterprise cloud tools, support
Docker Enterprise Container Cloud keeps pace with recent trends in Kubernetes management, such as multicluster and multi-cloud support but faces stiff competition. Continue Reading
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Tip
08 Sep 2020
Get started with Docker Bench for Security
Common vulnerabilities in OSes and configuration files can plague Docker hosts. Learn how to set up Docker Bench for Security and use the open source tool to fortify hosts against threats. Continue Reading
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News
03 Sep 2020
Kubernetes monitoring eases migration, security at scale
IT pros in high-scale environments have found that moving to Kubernetes-based infrastructure called for a fresh approach to monitoring for performance and security. Continue Reading
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Tip
31 Aug 2020
Compare GitOps vs. DevOps for modern app deployments
Despite some overlap, GitOps and DevOps differ in several important ways, especially as organizations embrace containers and application componentization. Continue Reading
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Tutorial
26 Aug 2020
Kubernetes performance testing tutorial: Load test a cluster
Follow along step by step to run Kubernetes performance tests with Metrics Server and Horizontal Pod Autoscaler. This tutorial works for cloud-, data center- or locally hosted clusters. Continue Reading
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News
24 Aug 2020
Portworx storage update offers backup, provisioning modules
The Portworx storage platform enables data persistence in large Kubernetes clusters. Data backup, automated capacity planning modules are generally available. Continue Reading
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News
21 Aug 2020
Kubernetes security defaults prompt upstream dilemma
As Kubernetes matures, community maintainers weigh enterprise demand for secure upstream defaults against concerns about sprawl and customizability. Continue Reading
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News
21 Aug 2020
OpenTelemetry aids distributed tracing, Kubernetes monitoring
OpenTelemetry combines multiple CNCF observability projects, as well as multiple enterprise data collection mechanisms, simplifying Kubernetes monitoring. Continue Reading
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News
19 Aug 2020
GitOps gains momentum among Kubernetes deployment tools
The growing popularity of Kubernetes GitOps tools reflects increasing cloud-native maturity and complexity among enterprise shops such as American Express. Continue Reading
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News
13 Aug 2020
Infrastructure-as-code upstart boosts Kubernetes deployment
Pulumi has expanded its integrations with Kubernetes deployment tools including OPA, Helm v3 and Kustomize, offering a central collaboration point for DevOps container management. Continue Reading
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Opinion
10 Aug 2020
Modern HCI environment shaped by evolving IT priorities
Hyper-convergence simplified deployment and scaling of IT resources over the past decade, but modern IT is far more complex than it once was. HCI vendors evolved, but have you? Continue Reading
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Tip
06 Aug 2020
How Kubernetes enhances DevOps practices
Kubernetes isn't necessary for DevOps, and you don't need a DevOps team to adopt Kubernetes container management. But, here are all the ways that these two are better together. Continue Reading
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News
05 Aug 2020
Microsoft unveils Open Service Mesh, vows donation to CNCF
Microsoft pledged to donate its service mesh to the CNCF in a stab at Istio, setting the stage for potential vendor collaboration around multi-cloud interoperability standards. Continue Reading
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Answer
03 Aug 2020
What is a Docker container vs. an image?
Docker images, Dockerfiles and containers are all instrumental in a Docker setup. Learn what tasks each component completes and how they interact with each other to run applications. Continue Reading
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Tip
20 Jul 2020
How persistent container storage works -- and why it matters
Persistent storage retains data when a device is shut off. And for containers -- inherently stateless and ephemeral -- this type of storage is critical for deployments. Continue Reading
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News
16 Jul 2020
Google's OUC play muddies Istio service mesh outlook
Google surprised even major partners with the transfer of Istio's trademark to a new organization it launched last week, leaving some key governance details undefined. Continue Reading
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Tip
10 Jul 2020
An overview of Knative use cases, benefits and challenges
Knative might be more complex than a serverless platform in the public cloud, but for IT shops already committed to Kubernetes and microservices, it could be worth the leap. Continue Reading
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News
01 Jul 2020
Kubernetes complicates Cloud Foundry platform development
The Cloud Foundry community has begun to port its developer interface onto Kubernetes infrastructure, but there are multiple approaches to sort out amid the transition. Continue Reading
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Tip
30 Jun 2020
Why Linux containers on Windows is a big deal
Microsoft introduced support for Docker Linux containers in its latest versions of the Windows client and server operating systems, so why should it matter to you? Continue Reading
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News
24 Jun 2020
HashiCorp Consul 1.8 aims to smooth service mesh transition
HashiCorp Consul users are mulling how to extend service discovery into service mesh. The vendor has added gateway support to ease this transition. Continue Reading
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Feature
24 Jun 2020
Why -- and how -- to use Docker image tags
Version control is a critical part of software development and deployment. IT teams can use Docker tags to better manage and organize container images. Continue Reading
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News
22 Jun 2020
HashiCorp shops hope new Consul service comes at lower cost
Multi-cloud hosted services planned for HashiCorp products, including Consul, Vault and Nomad, would reduce IT ops overhead, users say, but prices must be affordable. Continue Reading
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Tutorial
10 Jun 2020
How to use Clair to scan Docker images
Container vulnerabilities open the door to security issues and cascading failures across an IT environment. Use this Clair tutorial to scan for compromised Docker container images. Continue Reading
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Tutorial
04 Jun 2020
How to set up Prometheus for Kubernetes monitoring
Prometheus enables IT teams to automate and quickly configure infrastructure monitoring with open source tools natively in Kubernetes. Follow this tutorial to get started. Continue Reading
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Tip
28 May 2020
VMs vs. containers: What Windows admins need to know
VMs have high resource overhead, but they're dependable. Containers can scale dramatically, but they require a different mode of management. Which is right for your workloads? Continue Reading
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Feature
27 May 2020
Learn Kubernetes step by step with this interactive book
SearchITOperations spoke with author Zach Arnold about what IT pros can expect from The Kubernetes Workshop, an interactive book that progressively builds readers' knowledge of container orchestration. Continue Reading
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News
21 May 2020
IT pros clamor for Kubernetes multi-cloud deployment API
Enterprise IT pros who want a standard approach to Kubernetes multi-cloud deployment say the Cluster API project shows promise, but it needs work to be production-ready. Continue Reading
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News
21 May 2020
Linux kernel utility could solve Kubernetes networking woes
Linux kernel utility eBPF gets new life as a more effective means to scale Kubernetes networking than native Kubernetes tools, and in some cases, service mesh. Continue Reading
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News
20 May 2020
Fintech firms prove IT compliance via security automation
Security automation tools proved useful for two highly regulated fintech firms, that use them to protect cloud-native infrastructure and demonstrate their security to auditors. Continue Reading
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Tip
19 May 2020
Container auditing best practices for large-scale deployments
Container auditing and reporting are essential security and compliance measures in a production environment. Apply these practices to uncover abnormalities, control user access and choose the right tool. Continue Reading
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Feature
19 May 2020
Optimize Kubernetes cluster management with these 5 tips
Effective Kubernetes cluster management requires operations teams to balance pod and node deployments with performance and availability needs. Continue Reading
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Tip
18 May 2020
3 options to use Kubernetes and containers for edge computing
While every deployment is unique, these general guidelines can help IT teams determine whether -- and how -- to incorporate Kubernetes and containers into an edge computing strategy. Continue Reading
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Tip
15 May 2020
Use a zero-trust model for container security in the cloud
Traditional firewalls just won't cut it when it comes to container security in the public cloud. Zero-trust models are a better approach, but they demand some careful upfront work. Continue Reading
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News
13 May 2020
VMware Tanzu seeks IT attention with Kubernetes security buy
VMware buys Octarine for security cred in a crowded Kubernetes management market, but some VMware shops will shift to SaaS apps rather than deal with container infrastructure. Continue Reading
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Tutorial
11 May 2020
A Kubernetes namespaces tutorial to manage cluster resources
Namespaces in Kubernetes serve several purposes -- from allowing teams to share a single cluster to enforcing resource quotas. Use this tutorial to get started with this important Kubernetes feature. Continue Reading
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Tutorial
08 May 2020
Create an AKS cluster with this Ansible and Kubernetes tutorial
IT admins familiar with Ansible can use the configuration management tool, alongside Azure Cloud Shell, to spin up a Kubernetes cluster in AKS. Continue Reading
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News
07 May 2020
VMware Tanzu beta project melds Cloud Foundry, Kubernetes
VMware Tanzu Application Service for Kubernetes, now in public beta, intrigues PKS users by combining Kubernetes infrastructure components behind a Cloud Foundry developer interface. Continue Reading
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Answer
29 Apr 2020
How many Kubernetes nodes should be in a cluster?
There's no one-size-fits-all answer in terms of how many nodes should make up a Kubernetes cluster. Instead, that number varies based on specific workload requirements. Continue Reading
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News
29 Apr 2020
Red Hat OpenShift to inject IBM Kubernetes management IP
IBM and Red Hat have begun to blend both business priorities and software code, including a forthcoming multi-cluster Kubernetes management tool for OpenShift users. Continue Reading
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News
27 Apr 2020
IT compliance-as-code tool makes Kubernetes security inroads
Open Policy Agent has turned heads among IT shops for Kubernetes compliance as code, and its commercial backer looks to capitalize on that momentum with new enterprise features. Continue Reading
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Answer
15 Apr 2020
Evaluate 3 ways to run Kubernetes locally
A local Kubernetes deployment -- enabled by Minikube, MicroK8s or K3s -- is a great option to test code or simply learn the container orchestration technology. Continue Reading
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Tip
13 Apr 2020
Improve container monitoring with these strategies and tools
Containerized infrastructure significantly expands the number of available metrics within an IT environment. Take a layered approach to container monitoring and lean heavily on automation. Continue Reading
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Tip
10 Apr 2020
Container logging tips for IT troubleshooting and more
Don't just leave container log data on a host and forget about it. Instead, establish a detailed strategy to index, search, correlate and analyze that data. Continue Reading
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News
09 Apr 2020
HashiCorp Vault secrets manager ups Enterprise edition value
HashiCorp Vault 1.4 sweetens the deal for users of the paid Enterprise version, which had been subject to questions about differentiation from the free version in the past. Continue Reading
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News
08 Apr 2020
Foundation exec seeks Cloud Foundry vs. Kubernetes detente
New Cloud Foundry Foundation Executive Director Chip Childers plans to steer the community into the next phase of cooperation with Kubernetes, Knative, Istio and more. Continue Reading
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News
31 Mar 2020
Rancher plots enterprise Kubernetes management takeover
Flush with funding, Rancher hopes to win deals away from major IT software vendors such as VMware as enterprises seek help with Kubernetes management. Continue Reading
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Tip
26 Mar 2020
Kubectl commands and best practices for new Kubernetes users
Kubectl is a simple and powerful means to control containers in Kubernetes. But as with any CLI, it demands familiarity with available operations, resource types and associated syntax. Continue Reading
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News
25 Mar 2020
HashiCorp Nomad vs. Kubernetes matchup intensifies with 0.11
HashiCorp Nomad may not overtake Kubernetes but could capture broader enterprise attention with container-like orchestration features for legacy apps in VMs. Continue Reading
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Tip
19 Mar 2020
4 trends for Kubernetes cloud-native teams to watch in 2020
Today's software architectural landscape seems to change like the weather. Stay ahead of the curve with these cloud-related trends, including GitOps and service meshes. Continue Reading
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News
12 Mar 2020
AWS Bottlerocket container OS locks down hosts
AWS Bottlerocket puts the cloud giant's spin on the container OS, and container host security, but the company will have to overcome a generally poor reputation in the open source world. Continue Reading
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Tip
06 Mar 2020
Dig into Kubernetes pod deployment for optimal container use
Improve your Kubernetes deployment strategy with balanced application hosting and sound pod-to-nodes mapping. Learn the ins and outs of resource pools and Kubernetes communication. Continue Reading
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News
06 Mar 2020
Istio service mesh revamp may ease use, or sow confusion
Istio 1.5 reworks a microservices-based control plane into a monolith as the service mesh project seeks to simplify management and improve performance. Continue Reading
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News
05 Mar 2020
Biometrics firm fights monitoring overload with log analytics
Log analytics tools have become more popular as enterprise IT pros contend with complex, continuous microservices application deployments at scale. Continue Reading
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Answer
05 Mar 2020
5 important Docker container backup best practices
With container storage a major trend, it's important to ensure data protection. These five guidelines will help you properly back up Docker containers. Continue Reading
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Tip
05 Mar 2020
Container training can help admins stay relevant
IT admins might be good at managing IT systems -- until those systems are replaced with newer technologies. One way to keep pace with the changes is to learn container skills. Continue Reading
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Tip
04 Mar 2020
Master these 3 common Kubernetes troubleshooting tasks
Not enough nodes? Have some noisy neighbors? Plenty of things can cause containers to underperform. Here's how to chase down and resolve three common Kubernetes problems. Continue Reading
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Feature
04 Mar 2020
How to approach Kubernetes multi-tenancy for resource isolation
Multi-tenancy in Kubernetes can partition IT resources and operations, but it can be tricky to determine just how much isolation is necessary. Continue Reading
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News
28 Feb 2020
Top 5 container software trends to watch in 2020
Container software, namely Kubernetes, has become a staple of modern enterprise IT infrastructure -- here's what's coming next for the technology in 2020 and beyond. Continue Reading
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News
27 Feb 2020
Kubernetes edge computing takes shape on container frontier
Kubernetes at the edge has emerged as an early stage trend among enterprises that want to push the boundaries of software automation. Continue Reading
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Tip
27 Feb 2020
Optimize Docker images for improved efficiency and security
There are several ways -- ranging from Dockerfile adjustments to vulnerability scans -- that IT teams can ensure their Docker images are both efficient and secure. Continue Reading
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News
25 Feb 2020
Mirantis marshals reinforcements for Kubernetes management
Mirantis adds engineering staff and revives Docker Swarm as it plans to do battle in container orchestration against Red Hat, Pivotal and Docker itself. Continue Reading
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Infographic
17 Feb 2020
Illustrated guide to containerization security
Container security concerns are keeping IT pros up at night. Discover why and what they're doing to secure containers as well as the applications and data that run within them. Continue Reading
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News
13 Feb 2020
Ad firm gets Kubernetes management boost from Agile Stacks
With a small staff of engineers responsible for all of IT, a digital advertising firm needed help to smooth out the learning curve as it migrated from Mesosphere to Kubernetes. Continue Reading
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News
12 Feb 2020
Grafana Loki users reap log data savings, with tradeoffs
Grafana Loki won't replace advanced log analytics tools, but it may be a boon for shops that want to collect massive amounts of log data for troubleshooting applications. Continue Reading
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News
07 Feb 2020
Retail software firm takes broad view of Kubernetes security
Kubernetes platform security has supplanted container-level security for enterprises such as retail software vendor Aptos as they deploy microservices in production. Continue Reading
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News
07 Feb 2020
Dynatrace deepens AIOps ties with Kubernetes monitoring
Dynatrace has expanded the number of metrics it can feed into its Davis AIOps engine from Kubernetes infrastructure, thereby enhancing autoremediation features for container workloads. Continue Reading
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News
28 Jan 2020
Cisco folds AppDynamics AIOps into its infrastructure tools
Cisco shops might welcome new integrations between AppDynamics AIOps tools and Cisco Intersight management software, but whether they will draw in other users is uncertain. Continue Reading
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Tip
27 Jan 2020
Ensure Kubernetes high availability with master node planning
Kubernetes ensures high availability in its worker nodes, but for a mission-critical workload, IT teams should take these extra steps for redundancy in the master node components. Continue Reading
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Feature
22 Jan 2020
ICYMI: Kubernetes ecosystem updates IT teams should know
Need to catch up on some recent developments within the Kubernetes vendor and tool ecosystem? This roundup of articles can help. Continue Reading
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Tip
21 Jan 2020
Kubernetes taints and tolerations optimize pod-to-node mapping
In complex Kubernetes environments, admins must navigate pod-to-node mapping carefully. Try using taints and tolerations -- but be sure to closely oversee the process. Continue Reading
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Infographic
21 Jan 2020
Compare container security companies for the best protection
Securing containers can be a challenge when faced with buying the right platform. Discover these container security companies and their capabilities in this graphic. Continue Reading
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News
14 Jan 2020
Kubernetes security gets an assist with bug bounty program
The Kubernetes Security Product Group will outsource bug triage to HackerOne under a new bug bounty program that will offer rewards for bug reports up to $10,000. Continue Reading
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Tip
13 Jan 2020
How to survive in today's IT without DevOps and containers
If you don't write software, you might not require DevOps or containers in your data center. You don't need to give into the pressure to adopt them. Continue Reading
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Tip
26 Dec 2019
Four must-haves in Kubernetes security best practices
When it comes to Kubernetes security, IT teams must look beyond their containerized workloads, and consider code and cloud infrastructure as well. Continue Reading
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Tip
24 Dec 2019
Kubernetes networking explained: Start with these building blocks
To understand Kubernetes networking, admins must first master the core components of the container orchestration platform. Then, they need to map deployments to the right virtual networking model. Continue Reading
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Feature
20 Dec 2019
Review top container deployment and management tips from 2019
Check out our top advice for container technology throughout 2019 -- and use it to shape your 2020 plans. Continue Reading
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Feature
20 Dec 2019
Optimize application deployments with this expert advice from 2019
As the year comes to a close, review SearchITOperations' most popular tips on app deployment and support, covering topics such as DevOps automation, SLAs and tool tutorials. Continue Reading
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News
18 Dec 2019
New Kubernetes security tools abound as container deployments grow
As Kubernetes use expands in production, enterprises have a number of IT security tools to choose from for centralized, policy-based control over container clusters. Continue Reading
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Tip
18 Dec 2019
Are containers on Windows the right choice for you?
Containers have grown in popularity, but there are some considerations to weigh before you decide to migrate Server 2008 workloads to this technology. Continue Reading
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Feature
17 Dec 2019
Compare Red Hat OpenShift vs. Cloud Foundry in a Kubernetes faceoff
Looking for a container ecosystem platform? OpenShift and Cloud Foundry have similar roots as PaaS platforms, but this comparison identifies a clear winner for most organizations. Continue Reading
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Feature
12 Dec 2019
Container adoption accelerates, consulting execs say
The potential to massively speed up software cycle time is generating more container technology demand for channel partners, particularly in the new app development field. Continue Reading
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Tip
06 Dec 2019
Rising use of Kubernetes in production brings new IT demands
Kubernetes as an enterprise IT service is still in its infancy, but the market has reached a turning point from developer-maintained to IT-provided Kubernetes deployments. Continue Reading
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Video
26 Nov 2019
Kubernetes explained in 5 minutes
Kubernetes brings order to enterprise container deployments -- but it's a complex technology to learn. Use this video to grasp core Kubernetes concepts in under 10 minutes. Continue Reading
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News
21 Nov 2019
Kubernetes Helm Tiller is dead, and IT pros rejoice
The latest version of the Kubernetes Helm package manager promises better security and stability in version 3, which removes the Tiller server component from Helm's architecture. Continue Reading
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News
15 Nov 2019
D2iQ latest to seek Kubernetes management niche
D2iQ's CTO says it will use its enterprise experience with Apache Mesos container orchestration and big data apps such as Kafka to compete in a crowded market for Kubernetes management. Continue Reading
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14 Nov 2019
Container security emerges in IT products enterprises know and trust
Established IT security vendors add containers to their repertoire, and IT pros must decide between trusted platform integration and the latest features from startups. Continue Reading
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News
13 Nov 2019
Docker Enterprise spun off to Mirantis, company restructures
In an unexpected move, Docker sells off its Docker Enterprise business -- including customer support -- to Mirantis and refocuses on Docker Hub and Docker Desktop. Continue Reading