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coolvds.com › Blog › DevOps & Infrastructure

Beyond Nagios: Why "Up" Isn't Good Enough for High-Traffic Norwegian Ops

· CoolVDS Team

Stop relying on simple ping checks. In 2014, the battle isn't about uptime—it's about latency and insight. We dive deep into transitioning from legacy monitoring to full-stack instrumentation using Graphite, StatsD, and Logstash on high-performance KVM architecture.

coolvds.com › Blog › DevOps & Infrastructure

Beyond Nagios: Why "Up" Doesn't Mean "Working" in High-Load Environments

· CoolVDS Team

Your monitoring dashboard shows all green, but users are timing out. In this deep dive, we explore the gap between basic uptime monitoring and true system visibility using Graphite, Logstash, and system-level profiling.

coolvds.com › Blog › DevOps & Infrastructure

Escaping the PaaS Trap: Architecting High-Performance Worker Queues on KVM

· CoolVDS Team

While the industry buzzes about 'NoOps' and expensive PaaS solutions, real scalability is built on decoupled, asynchronous worker patterns. Here is how to engineer a resilient, low-latency infrastructure on Norwegian soil without the US cloud price tag.

coolvds.com › Blog › DevOps & Infrastructure

Stop Trusting Ping: Moving From 'Is It Up?' to 'Why Is It Slow?' in Production

· CoolVDS Team

In 2013, a green light in Nagios doesn't mean your application is healthy. We explore the shift towards metric-driven infrastructure using Graphite, StatsD, and centralized logging, and why high-performance I/O is critical for deep visibility.

coolvds.com › Blog › Security & Compliance

Surviving the Kernel Panic: A Manual for Disaster Recovery in 2013

· CoolVDS Team

Hardware fails. RAID controllers degrade. In this guide, we bypass the marketing fluff and deploy a battle-tested Disaster Recovery plan using MySQL replication, Rsync, and Norwegian infrastructure laws.

coolvds.com › Blog › DevOps & Infrastructure

Scaling Container Networking: A Deep Dive into LXC & Open vSwitch

· CoolVDS Team

Container virtualization is the future, but networking across hosts is a nightmare. We explore how to build a robust multi-host network using LXC, GRE tunnels, and Open vSwitch on high-performance Linux clusters.