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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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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Tutorial
09 Feb 2022
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
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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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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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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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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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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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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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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
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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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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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
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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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
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Feature
13 Nov 2019
Compare 3 distinct types of Kubernetes platforms
There are three types of Kubernetes deployment options, each with its own benefits and challenges. Use this in-depth comparison to choose the best fit for your organization. Continue Reading
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News
12 Nov 2019
Aqua Security buys CloudSploit, expands into cloud security
Amid consolidation and chaos in the cloud security market, Aqua snaps up CloudSploit and sets the stage for increased competition with traditional IT security vendors. Continue Reading
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Tip
12 Nov 2019
How container adoption affects container security
Scalability and efficiency make container adoption an attractive option for enterprises today. Learn how containerization has evolved and grown since the release of Docker 1.0 five years ago. Continue Reading
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News
08 Nov 2019
Microservices security calls for zero-trust, data classification
Sanity in a zero-trust world for microservices security calls for IT teams to prioritize the assets they must protect, and that starts with data classification. Continue Reading
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News
04 Nov 2019
JASK buy may boost security analytics in Sumo Logic SIEM
Sumo Logic has acquired JASK, an automated SOC that will be most useful for security analytics and alert reduction features within Sumo Logic's SIEM. Continue Reading
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News
18 Oct 2019
Red Hat OpenShift Tekton pipelines reflect strategic platform focus
OpenShift and its competitors now offer enterprises soup-to-nuts DevOps platforms, rather than simple Kubernetes management tools, that are based on different points of strategic lock-in. Continue Reading
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Tip
16 Oct 2019
Grasp Docker networking basics with these commands and tips
For a containerization novice, networking poses one of the biggest challenges. Use this breakdown of essential Docker networking commands and concepts, including host and bridge setups, to reduce complexity. Continue Reading
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Feature
14 Oct 2019
Kubernetes networking face-off: VMware NSX-T vs. Nokia's Nuage
VMware NSX-T and Nokia's Nuage Networks both provide Kubernetes networking functionality -- but they have important differences and resonate with distinct user bases. Continue Reading
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News
10 Oct 2019
Kubernetes on Windows nodes hits GA in Rancher, Amazon EKS
Windows host support in Kubernetes reached a milestone with general availability from container management vendors, which makes containers more accessible for legacy apps. Continue Reading
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News
08 Oct 2019
Google sparks open source unrest over Knative, Istio
Google is keeping its Knative and Istio projects close to the vest, which could limit their reach long term, early adopters say. Continue Reading
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News
07 Oct 2019
Docker Desktop asset, fiscal stress prompt acquisition buzz
Docker has tried to differentiate itself as a Kubernetes competitor, but amid reports of financial headwinds, it should return to its roots in the developer desktop, analysts say. Continue Reading
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Feature
25 Sep 2019
Assess container hosting, management options based on these criteria
A company's plans to maintain traditional data centers, move to the public cloud or adopt microservices all play a major role in its container hosting and management decisions. Continue Reading
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Feature
20 Sep 2019
How to craft a future-proof enterprise container strategy
There are many ways to plan an IT container management strategy. Follow these steps to map out an enterprise's needs for container software and tools. Continue Reading
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Feature
17 Sep 2019
Container image size makes a difference
IT teams ready to embark on container deployment should look closely at how developers break down and package application components. Little details will be important. Continue Reading
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News
11 Sep 2019
HashiCorp Consul plays to multi-platform strength with Azure
HashiCorp's Consul service mesh will be offered as a hosted service on Microsoft Azure, where it can link container clusters along with VMs in multiple regions. Continue Reading
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Tip
05 Sep 2019
Consider the when, why and how of a Mesos-to-Kubernetes migration
Before choosing to migrate to Kubernetes, Mesos users should carefully prepare for the complexity of the move -- and first consider using the two technologies side by side. Continue Reading
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Feature
29 Aug 2019
Explore container deployment benefits and core components
As container adoption grows, the ecosystem of tools surrounding the technology expands as well. Explore the benefits of container systems for enterprise app deployments. Continue Reading
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Tip
29 Aug 2019
Explore Docker vs. LXC through the lens of a three-tier app
Containers are not small virtual machines, and they're not all the same under the hood. To make smart deployment choices, understand the nuanced differences between container types. Continue Reading
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News
28 Aug 2019
Knative serverless Kubernetes bypasses FaaS to revive PaaS
Knative's emerging claim to fame is that it can turn Kubernetes into a next-gen platform as a service with both a Heroku-like developer experience and deep infrastructure control. Continue Reading
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News
22 Aug 2019
Istio service mesh hits OpenShift GA, but upgrades are slow
Istio service mesh, Kiali and Jaeger are generally available for Red Hat OpenShift 4, but it will be some time before users are ready for the latest version of the platform. Continue Reading
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News
22 Aug 2019
Splunk pricing worries some users amid SignalFx monitoring buy
Splunk wants to collect more data via SignalFx, but some users wonder how much it will cost to keep up with the proliferation of logs and metrics in the age of cloud monitoring. Continue Reading
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News
15 Aug 2019
Jenkins X gears up for SaaS version, GitOps standards
With key maturity milestones behind them, the maintainers of Jenkins X prepare a SaaS version, and plan to collaborate with Google's Tekton and Netflix's Spinnaker. Continue Reading
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News
08 Aug 2019
Mesosphere's Kubernetes pivot sets stage for IT vendor attrition
Mesosphere becomes D2iQ, and affirms that Kubernetes is eating the world. Is IT entering a golden age of interoperability, or on the verge of mass consolidation? Continue Reading
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Tutorial
06 Aug 2019
Use this Mesos and Marathon tutorial to try resource abstraction
Marathon, the Mesos-based tool, eases large-scale container orchestration. Before you begin deployments, set up Zookeeper and Mesos with Marathon, and try a simple task. Continue Reading
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News
25 Jul 2019
Kubernetes authentication project wrestles with migration problems
GKE users like the Workload Identity feature for Kubernetes authentication with GCP services, but similar improvements to core cluster security present a potential market-wide migration headache. Continue Reading
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News
24 Jul 2019
Compliance-as-code tool hits DevSecOps sweet spot for MSP
There are almost as many tools to assist with DevSecOps as there are definitions for the term – how one managed service provider that serves federal agencies chose a compliance-as-code vendor. Continue Reading
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News
19 Jul 2019
Kubernetes policy project takes enterprise IT by storm
A Kubernetes-friendly compliance as code project hosted by the CNCF has caught on among large enterprises in the first half of 2019, largely through word of mouth. Continue Reading
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News
17 Jul 2019
Container security improves overall enterprise IT posture
Enterprise IT pros worried about security when containers were first introduced, but as containers are put into production, they can actually present ways to tighten security practices. Continue Reading
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Tip
11 Jul 2019
Look inside the Mesosphere DC/OS distributed operating system
IT organizations that run large, distributed workloads on clusters should examine the Mesosphere DC/OS approach, but be forewarned: It takes a lot of components to simplify ops. Continue Reading
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News
02 Jul 2019
Kubernetes security tool gives IT a leg up on DevSecOps
An emerging real estate firm tasked with DevSecOps sought an assist from startup Alcide, which bakes Kubernetes security best practices into its software. Continue Reading
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Feature
25 Jun 2019
Reality strikes when enterprises deploy Kubernetes in production
It's easy to run containers with Kubernetes, but Kubernetes in production -- with enterprise security, monitoring and compliance demands -- is a different story. Continue Reading
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News
20 Jun 2019
IT pros brace for wave of M&A in microservices security
Microservices and DevOps have made IT security a shared responsibility among enterprise stakeholders, and experts expect this shift to prompt mass consolidation among vendors. Continue Reading
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News
20 Jun 2019
Alaska Airlines charts course for DevOps security
As Alaska Airlines plots a flight path to a hybrid cloud infrastructure, it will navigate with an automated DevOps security tool that spans multiple IT environments. Continue Reading
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Tip
18 Jun 2019
Apply AI to container monitoring and management -- piece by piece
While the application of AI to container monitoring and management is possible, it first requires certain operations practices and carefully integrated tool sets. Continue Reading
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News
06 Jun 2019
UPS delivers Agile plan for legacy application modernization
As UPS moved its package-tracking system from mainframe to open systems, it drew on the old adage about how to eat an elephant: one small bite at a time. Continue Reading
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News
31 May 2019
Docker vulnerability with no patch could allow root access
A security researcher disclosed a Docker bug that could allow an attacker to gain root-level access to a system. Docker signed off on the disclosure, despite a fix not yet being available. Continue Reading
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News
31 May 2019
Palo Alto Networks buys Twistlock, PureSec for container security
Palo Alto Networks snaps up Twistlock and PureSec to broaden its cloud security portfolio and give enterprise IT shops more options for container and serverless security. Continue Reading
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News
21 May 2019
GKE, Azure roll out Windows Kubernetes support
Cloud service providers rolled out Windows Kubernetes support this week, which may take some of the burden of Linux container management requirements out of the hands of Microsoft-only shops. Continue Reading
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News
10 May 2019
OpenShift shops chart a course for advanced IT automation
IT teams tackled containerization, developer self-service platforms and infrastructure provisioning automation in 2018. So, what's next? Continue Reading
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News
08 May 2019
OpenShift architecture bakes in CoreOS Operator automation
OpenShift 4.1 promises easier container management for IT ops pros, but getting there from OpenShift 3 could be tricky for enterprises with large deployments. Continue Reading
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News
08 May 2019
OpenShift-Azure ties deepen as IT sets sights on multi-cloud
Enterprises will consider an OpenShift managed service on Azure as part of a multi-cloud strategy, but Kubernetes won't necessarily make workloads cloud-agnostic. Continue Reading