Blog Archives

Recent technical articles & videos.

Kubernetes: Kui: CLI-driven Graphics for Kubernetes, Portieris: a Kubernetes admission controller for verifying image trust with Notary, Kubernetes Autoscaling: Getting Started + Examples, Understanding Horizontal Pod Autoscaling, Finding Azurescape – Cross-Account Container Takeover in Azure Container Instances, Kubernetes Best Practices

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Latest technical articles & videos.

Kubernetes: The Guide to Kubernetes Labels, Peirates: Kubernetes Penetration Testing tool, Updated Kubernetes instance calculator, Build a Highly Available Kubernetes Operator Using Golang, K8GB: A cloud native Kubernetes Global Balancer, Cracking kubernetes node proxy (aka kube-proxy), Best practices for deploying

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Recent technical articles & videos.

Kubernetes: RobotFramework library for testing Kubernetes cluster, Sloop: Kubernetes History Visualization, Kubernetes Autoscaling: A Beginners Guide, Is Kubecost Worth It? Running Kubernetes on AWS with EKS, OpenTelemetry Tracing in Kubernetes Core, Linux Foundation: Introduction to GitOps (LFS169), Detect Malicious Behaviour

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Latest technical articles & videos.

Kubernetes: Krew plugins manager, and useful kubectl plugins list, Awesome Kubernetes, Kubernetes Semaphore: A modular and nonintrusive framework for cross cluster communication, Find your GKE cost optimization opportunities right in the console, Kubernetes ClusterSecret operator, Decentralized GitOps over multiple environments,

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Recent technical articles & videos.

Kubernetes: Hitchhiker’s guide to Prometheus (Part 1), Hitchhiker’s guide to Prometheus (Part 2), Kube-vip: a Kubernetes Virtual IP and Load-Balancer for both control plane and Kubernetes services, Deckhouse: a platform for managing Kubernetes clusters in a fully automatic and uniform

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Latest technical articles & videos.

Kubernetes: EKS-Anywhere: Run Amazon EKS on your own infrastructure, GitOps is a placebo, K8sPurger: Hunt Unused Resources In Kubernetes, gRPC load balancing on Kubernetes (using Headless Service), Applying DevSecOps practices to Kubernetes: software supply chain, Deploying Tornjak with Helm Charts,

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Recent technical articles & videos.

Kubernetes: Controlling outbound traffic from Kubernetes, Developing with Kubernetes on Fedora, Kubernetes ImagePullBackOff error: what you need to know, Kubernetes Deployment spec examples, Useful Interactive Terminal and Graphical UI Tools for Kubernetes, Kubernetes External Secrets, Kvdi: A Kubernetes-native Virtual Desktop

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Latest technical articles & videos.

Kubernetes: A Better Way of Organizing Your Kubernetes Manifest Files, Sigstore: A Solution to Software Supply Chain Security, Building a CI/CD Interoperable Ecosystem, Provisioning Single-node Kubernetes Cluster using kubeadm on Ubuntu 20.04, A deep dive into Kubernetes Deployment strategies, Keep

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Recent technical articles & videos.

Kubernetes: What’s New in Kubernetes v1.22, Self-Updating GitOps, Expose Open Policy Agent/Gatekeeper Constraint Violations for Kubernetes Applications with Prometheus and Grafana, Kubernetes Security & Hardening Guidance, CNCF Cloud Native Security whitepaper (Nov 2020), NSA Kubernetes Hardening Guidance (Aug 2021), What’s

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Latest technical articles & videos.

Kubernetes: Kubernetes 1.22 – What’s new? RBAC in Kubernetes visualizer, Kubernetes Dashboards: Octant, Multus: A CNI meta-plugin for multi-homed pods in Kubernetes, Lifecycle of Kubernetes Network Policies and Best Practices, Retrieve HashiCorp Vault Secrets with Kubernetes CSI, Kube-state-metrics: An add-on

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RHCSA7: Task of the day

Allowed time: 3 minutes.
Check that you've got no SELinux policy violations.

RHCE7: Task of the day

Allowed time: 10 minutes.
Set up a httpd virtual server called "dummy" with DocumentRoot assigned to /opt.

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