Kubernetes, a powerful open-source platform, enables developers to deploy and manage containerized applications at scale. Responding to high demand from DevOps and cloud professionals, we’re excited to announce the launch of our brand-new Kubernetes Online Course, focused on integration with AWS and Docker. This course is crafted to give you a solid foundation in Kubernetes, […]

Effective Kubernetes logging requires more than retrieving the latest lines from a container. Application output, Pod events, node logs, audit activity and central collection answer different questions. This updated walkthrough explains how those signals travel, how evidence can disappear during a failure, and what to verify in a safe, disposable logging exercise. Logs are one […]

A Kubernetes cluster is a group of computing nodes governed through a shared API and control plane. It runs containerized workloads, records their desired configuration and continuously tries to reconcile actual conditions with that configuration. A cluster is not merely several servers with Docker installed. Its value comes from coordinated scheduling, service discovery, workload controllers, […]

The Certified Kubernetes Administrator (CKA) credential is intended for people who can operate and troubleshoot Kubernetes clusters, not simply deploy a single container. Its strongest professional value is the ability to demonstrate hands-on knowledge of control-plane components, workload scheduling, networking, storage, access control and incident response. The Linux Foundation and Cloud Native Computing Foundation maintain […]

The right Kubernetes certification depends on whether you need foundational cloud-native literacy, application delivery skills, cluster administration, or deeper security specialization. CNCF’s current portfolio includes KCNA, CKAD, CKA, CKS, KCSA and complementary ecosystem credentials. This guide matches each assessment to responsibilities and hands-on learning decisions instead of presenting one universal ladder. Start with the responsibilities […]

Kubernetes architecture is easier to understand as a continuous reconciliation system than as a diagram with one “master” and several workers. A user or automation submits a desired state through the Kubernetes API. Control-plane components persist and interpret that state, a scheduler places unscheduled Pods, node agents run containers, and controllers continually compare observations with […]

A Certified Kubernetes Administrator (CKA) interview is usually more revealing when it asks what you would do during a cluster incident than when it asks you to recite the names of API objects. Employers need people who can tell the difference between a broken application, a scheduling constraint, a control-plane problem and a storage outage, […]

Lori MacVittie is the Principal Technical Evangelist at F5 Networks and has been with the company for 14 years. In her role, she focuses on how emerging technologies can transform industries and meet evolving market needs. Lori’s writings, such as her thought-provoking blog, “Will the Emerging Edge Fix My Digital Gaming Experience?” and her deep […]

Amazon Kinesis Data Streams and Apache Kafka both transport ordered event streams to independent consumers, but they have different operational contracts, APIs and ecosystem assumptions. Kinesis is an AWS-native managed streaming service, while Kafka is an open-source distributed streaming platform with a mature protocol and client ecosystem. Amazon Managed Streaming for Apache Kafka (Amazon MSK) […]

Project portfolio management allocates an organization’s limited investment, talent and attention across initiatives competing for value. It is different from managing one project’s schedule. Portfolios are often reviewed and rebalanced continuously; ending or closing an individual project does not automatically mean that a portfolio itself is ‘closed.’ This guide clarifies selection, prioritization, capacity and deliberate […]

Choosing how an AI model runs in AWS depends on the business task, latency, request size, cost and governance constraints. The right option for thousands of nightly documents may be unsuitable for an interactive customer assistant. Model deployment is therefore better understood as a series of trade-offs than as a list of service names to […]

Databricks machine-learning work is a lifecycle, not a checklist of algorithm names. A team may begin with a regression or classification model, but an enterprise system must also preserve training data lineage, repeat experiments, evaluate model behavior, deploy a selected version and detect failures after release. This distinction matters to readers of the original article […]

Begin with the right EC2 operating system and exposure model Installing Jenkins on an EC2 instance is not just a package-management exercise. A Jenkins controller holds job definitions, source-code credentials, plugin configuration, build metadata and potentially secrets that can reach deployment systems. The instance’s operating system, identity, storage, network access and recovery plan are therefore […]

Java SE 8 changed how developers write and organize code. Lambda expressions, streams, a modern date/time library, and widely adopted language patterns still appear in many maintained enterprise applications. Oracle’s Java SE 8 certification route historically used 1Z0-808 Programmer I and 1Z0-809 Programmer II to distinguish foundational skills from more advanced programming and API knowledge. […]

Memorizing every input, tool, technique and output (ITTO) from an older PMBOK process table is not a published requirement of the current PMP examination. Understanding what information a project team needs, which technique can produce a reliable decision, and what evidence results from that work remains valuable. Those are different goals. A candidate who understands […]