Sylvain Gibier — Page 3

Founder & CEO at ape factory

Sylvain Gibier is the founder and CEO of ape factory and the primary author of its website and technical Insights. His experience includes leading the design, development and delivery of complex technology projects.

He writes about cloud native infrastructure, Kubernetes, OpenStack, platform engineering and AI, focusing on architectural decisions, practical implementation and operational trade-offs. His articles range from technical guides and implementation walkthroughs to perspectives on open source and digital sovereignty.

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Articles by Sylvain

How-to GuideKubernetesOperations

How to Set Up Istio Service Mesh in Kubernetes

A practical step-by-step guide to installing Istio in Kubernetes using the sidecar data plane, enabling mTLS, traffic routing, canary deployments, retries, circuit breaking, authorization, and observability.

How-to GuideKubernetesOperations

How to Set Up Horizontal Pod Autoscaling (HPA) in Kubernetes

A comprehensive guide to setting up Horizontal Pod Autoscaler (HPA) in Kubernetes, including metrics server setup, custom metrics, scaling behaviors, and production best practices.

How-to GuideKubernetesOperations

How to Implement Vertical Pod Autoscaling (VPA) in Kubernetes

A complete guide to implementing Vertical Pod Autoscaler (VPA) in Kubernetes, including installation, configuration modes, integration with HPA, and production best practices.

How-to GuideOpenstackOperations

How to Troubleshoot OpenStack–Ceph Integration Issues

Diagnose OpenStack–Ceph integration failures across Cinder, Nova and libvirt by isolating RBD authentication, pool access, connectivity and configuration issues.

How-to GuideKubernetesSecurity

How to Set Up Pod Security Standards (PSS) in Kubernetes

Replacing deprecated PodSecurityPolicies with the new Pod Security Admission controller - a complete guide to securing your Kubernetes workloads with Pod Security Standards.

How-to GuideKubernetesSecurity

How to Set Up OPA Gatekeeper for Kubernetes Policy Enforcement

Policy-as-code for Kubernetes admission control using OPA Gatekeeper - from installation and Rego policies to testing, staged enforcement, GitOps, monitoring, and production operations.

How-to GuideKubernetesOperations

How to Optimize Kubernetes Pod Startup Time

A practical guide to measuring and reducing Kubernetes Pod startup latency across scheduling, networking, storage, image pulls, init containers, application initialization, probes, and node resources.

ExplanationKubernetesOperations

Kubernetes 1.35 - (Timbernetes): What changes for production

Explore Kubernetes 1.35: key features, deprecations and operational changes, with practical considerations for your next cluster upgrade.

ReferenceKubernetesOperations

Helm v4 vs. v3: Understanding the Key Differences

Helm v4 has been released. Key changes: Server Side Apply instead of 3-Way Merge, WASM plugin support, and the replacement of the wait engine.

Perspective

Why are AI companies still hiring humans?

Discover why AI companies are still hiring humans! Explore the blend of technology and human creativity driving innovation in today's workforce.

Perspective

The End of “Free as in Beer” for Open Source

Dive into why “free as in beer” is no longer sustainable in open source: the hidden costs, risks, and paths to sustainable funding models for open-source projects.

ExplanationKubernetesKubeVirt

Running and Managing VMs on Kubernetes

Explore how KubeVirt enables running and managing virtual machines alongside containers on Kubernetes. Learn architecture, use-cases, benefits, and challenges of VM+container unification.