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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

Stop Touching Production: The Case for Git-Driven Infrastructure in 2016

· Ivan Shevchenko

Manual SSH deployments are creating snowflake servers and security risks. Here is how to implement a Git-centric workflow using Jenkins 2.0, Ansible, and Docker to enforce immutable infrastructure on your Norwegian VPS.

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

Demystifying Kubernetes 1.1 Networking: Flannel, Iptables, and Metal

· CoolVDS Team

Kubernetes networking isn't magic—it's packet encapsulation and routing tables. We deep dive into K8s 1.1 networking models, the overhead of overlays like Flannel, and why low-latency hardware is critical for etcd stability.

coolvds.com › Blog › DevOps & Infrastructure

Container Security: Hardening Docker on Linux in the Post-Safe Harbor Era

· CoolVDS Team

Docker is revolutionizing deployment, but its default configuration is a security minefield. We dive into kernel capabilities, user namespaces, and why KVM isolation is non-negotiable for Norwegian data compliance in 2016.

coolvds.com › Blog › DevOps & Infrastructure

Serverless Architecture Patterns: The Hype, The Reality, and The Hybrid Fix

· CoolVDS Team

Is AWS Lambda the future or just vendor lock-in with latency issues? We analyze Serverless patterns for 2016, the death of Safe Harbor, and how to build event-driven architectures on high-performance Norwegian VPS without losing control.