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coolvds.com › Blog › DevOps & Infrastructure

Silence the False Alarms: Building a Bulletproof Monitoring Stack with Zabbix 3.0 & ELK

· Pavel Dvořák

Ping is not monitoring. In this deep dive, we architect a fault-tolerant monitoring solution using Zabbix 3.0, Grafana, and the ELK stack to visualize infrastructure health on Ubuntu 16.04. Learn to detect CPU steal and latency spikes before your Norwegian users even notice.

coolvds.com › Blog › DevOps & Infrastructure

Container Security in 2016: Stop Running Docker as Root in Production

· Ivan Shevchenko

It is 2016, and Docker is eating the world. But most implementations I see in Norway are wide-open security nightmares. Here is how to lock down your containers on Ubuntu 16.04 and CentOS 7 before you get hit.

coolvds.com › Blog › Database Management

Stop Using MySQL for Metrics: High-Velocity Monitoring with InfluxDB 0.13

· Martin Svoboda

Relational databases choke on time-series data. Discover how to architect a high-throughput monitoring stack using InfluxDB on Ubuntu 16.04, why NVMe storage is non-negotiable for ingestion, and how to keep your data compliant within Norwegian borders.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking: Escaping Docker Port Hell Before v1.0

· CoolVDS Team

Docker links are dead. As we approach the Kubernetes v1.0 release, we dissect the 'IP-per-Pod' model, configure Flannel overlays on Ubuntu 14.04, and explain why your underlying VPS architecture makes or breaks microservices performance.

coolvds.com › Blog › Technology Trends

Scaling Real-Time Apps: Node.js v0.6 Production Guide on SSD VPS

· Sofia Nielsen

Is Apache killing your concurrency? We dive into deploying Node.js 0.6 on Ubuntu 12.04. Learn to handle the event loop, configure Nginx v1.2 proxies, and why latency to Oslo matters more than raw CPU.

coolvds.com › Blog › Server Administration

Self-Hosted Git for Teams: Escaping Subversion with Gitolite & CoolVDS

· CoolVDS Team

Stop suffering with centralized version control. Learn how to deploy a private, secure Git server using Gitolite on Ubuntu 10.04, compliant with Norwegian data laws and optimized for low-latency team collaboration.