Blog Archives

Latest technical articles & videos.

Kubernetes: Velero Deployment with Kustomize (Azure), Deploy a Kubernetes Cluster on Ubuntu Server with Microk8s, Investigating connection timeouts in a Kubernetes application, End-to-end tracing with OpenTelemetry, k3s 1.25 just released! Learning by auditing Kubernetes manifests, Protect the pipe! Secure CI/CD

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Recent technical articles & videos.

Kubernetes: My Thoughts about Crossplane in 2022, KubeVirt on Killercoda on KubeVirt, Getting Started to Write Your First Kubernetes Admission Webhook Part 1, Part 2, Kubescape: a K8s open-source tool providing a multi-cloud K8s security single pane of glass, Kubernetes

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Latest technical articles & videos.

Kubernetes: Kubernetes v1.25: Combiner, Kubernetes 1.25 – What’s new? Kubernetes Version 1.25: An Overview, Awesome OPA: A curated list of Open Policy Agent (OPA) related tools, frameworks and articles, The ultimate guide to Kubernetes Services, LoadBalancers, and Ingress, vscode-kubernetes-tools: An extension

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Recent technical articles & videos.

Kubernetes: For the love of god, stop using CPU limits on Kubernetes (updated), Pixie: an X-ray Machine for Kubernetes Traffic, Tracking Down “Invisible” OOM Kills in Kubernetes, Kubernetes network stack fundamentals: How containers inside a pod communicate, Pharos: The Observability

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Latest technical articles & videos.

Kubernetes: Kube-scout: An alerting tool for Kubernetes clusters issues of all types, in real time, with intelligent redundancy, and easily extendable api, Kubernetes Security — Control pod to pod communications with Cilium network policies, ActiveMQ Artemis with Spring Boot on

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Recent technical articles & videos.

Kubernetes: ArgoCD Best Practices You Should Know, Bring your own Container Network Interface (CNI) plugin with Azure Kubernetes Service (AKS) (PREVIEW), Kyverno moves to the CNCF Incubator, Scaffolding sigstore, Kubernetes Gateway API Graduates to Beta, Run your Arm workloads on

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Latest technical articles & videos.

Kubernetes: A set of modern Grafana dashboards for Kubernetes, Demystify how traffic reaches directly to pod on using alb.ingress.kubernetes.io/target-type: ip, Kubernetes-event-exporter: Export Kubernetes events to multiple destinations with routing and filtering, Fixing the Developer Experience of Kubernetes Port Forwarding, Kube-no-trouble:

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Recent technical articles & videos.

Kubernetes: Getting started with GKE Gateway controller, Isovalent Open Sources Tetragon, eBPF-Based Observability Platform, Part-1: Setup Prometheus, Kube State metrics and Integrate Grafana with Kubernetes, Part-2: Setup Prometheus, Kube State metrics and Integrate Grafana with Kubernetes, Multi Tenant Logs with

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Latest technical articles & videos.

Kubernetes: How to manage all my K8s secrets in git securely with Bitnami Sealed Secrets, Breaking Changes in Argo CD 2.4, Continuous Development on Kubernetes with GitOps Approach, Kubernetes Security Profiles Operator v0.4.3 release announcement, How to manage Kubernetes secrets

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Recent technical articles & videos.

Kubernetes: A robust implementation of ArgoCD’s App Of Apps Pattern, Secure Your Docker Images With Cosign (and OPA Gatekeeper), Use Cluster API to provision Kubernetes clusters in anywhere! The Automation Challenge: Kubernetes Operators vs Helm Charts (47min), Debugging Kubernetes Services

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RHCSA7: Task of the day

Allowed time: 5 minutes.
Create a user account named "tony" with password “redhat” and belonging to a secondary group called “team”.

RHCE7: Task of the day

Allowed time: 10 minutes.
Set up a default secure MariaDB database called maria and create a table named people with two columns respectively name varchar(20) and age int(10) unsigned.

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