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coolvds.com › Blog › DevOps & Infrastructure

Service Mesh Implementation: Taming Microservices Chaos with Istio 1.4

· CoolVDS Team

Microservices solve scaling issues but introduce networking nightmares. Learn how to implement Istio 1.4 on Kubernetes to regain control, enforce mTLS, and why underlying infrastructure performance makes or breaks your mesh.

coolvds.com › Blog › DevOps & Infrastructure

Beyond Nagios: Why "Green Lights" Are Killing Your Uptime Strategy

· CoolVDS Team

It is 2013, and ping checks are no longer enough. We explore the shift from basic monitoring to deep system introspection using StatsD, Graphite, and Logstash on high-performance KVM architecture.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs Monitoring: Why Your 'Green' Dashboard is Lying to You

· CoolVDS Team

It is April 2018, and GDPR is looming. While your Zabbix says everything is fine, your customers in Oslo are timing out. Here is how to move from simple monitoring to true observability using the ELK stack and Prometheus.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs. Monitoring: Why Your "Green" Dashboard Is Lying to You

· CoolVDS Team

Monitoring tells you the server is down. Observability tells you why the database locked up. In this deep dive, we explore the distinct architectural differences, implement a 2022-ready OpenTelemetry stack, and discuss why high-cardinality data demands the NVMe performance found in CoolVDS instances.

coolvds.com › Blog › DevOps & Infrastructure

Beyond Green Lights: Why Monitoring Fails and Observability Saves Your Weekend

· CoolVDS Team

Monitoring tells you the server is alive. Observability tells you why the database latency spikes only on Tuesdays. We break down the transition from simple metrics to full-stack visibility, specifically for Norwegian dev teams navigating GDPR and Schrems II.

coolvds.com › Blog › Hosting Solutions

VPS vs Shared Hosting: Stop Letting "Unlimited" Plans Kill Your Uptime

· Natalia Krawczyk

It is 2011, and shared hosting is still the silent killer of growing businesses. We dismantle the "unlimited resources" myth and show why moving to a VPS with dedicated RAM and root access is the only viable path for serious traffic.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs Monitoring: Why Your "Green" Dashboard is Lying to You

· CoolVDS Team

Monitoring tells you the server is online. Observability tells you why the checkout API is failing for users in Bergen. In this deep dive, we move beyond simple uptime checks to implement full-stack observability using OpenTelemetry, Prometheus, and Grafana on high-performance infrastructure.

coolvds.com › Blog › Security & Compliance

Container Security Post-Meltdown: Hardening Docker for GDPR in 2018

· CoolVDS Team

With the GDPR deadline looming and CPU vulnerabilities exposing shared kernels, reliable container orchestration requires more than just 'docker run'. We analyze kernel isolation, capabilities dropping, and why KVM-backed VPS infrastructure is the only safe harbor for Norwegian data.