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coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: A 2018 Survival Guide for Norwegian DevOps

· CoolVDS Team

Migrating a TB-scale database without killing your SLA requires military precision. We break down the master-slave replication strategy, Percona XtraBackup workflows, and why IOPS is the only metric that matters when moving data across Europe.

coolvds.com › Blog › DevOps & Infrastructure

Observability vs. Monitoring: Why Green Dashboards Are Lying to You

· CoolVDS Team

It is 2018, and Nagios checks are no longer enough. We dissect the critical shift from monitoring (is it up?) to observability (why is it slow?), focusing on the ELK stack, Prometheus, and the I/O demands of high-fidelity logging in a post-GDPR world.

coolvds.com › Blog › Security & Compliance

Automating Security Compliance: Surviving the Post-GDPR Audit in 2018

· CoolVDS Team

The panic of May 25th is over, but the liability remains. Learn how to automate server hardening using Ansible and OpenSCAP on Norwegian infrastructure to satisfy Datatilsynet without burning out your DevOps team.

coolvds.com › Blog › DevOps & Infrastructure

Stop `kubectl apply`-ing Production: Implementing GitOps Workflows in 2018

· CoolVDS Team

Manual deployments are creating snowflake servers. Learn how to implement a rigid GitOps workflow using GitLab CI, Kubernetes, and Terraform to ensure your infrastructure matches your code—compliant with the new GDPR rules.

coolvds.com › Blog › DevOps & Infrastructure

Disaster Recovery in the GDPR Era: Surviving the 3 AM Catastrophe

· CoolVDS Team

It is not a matter of if your server will fail, but when. In the wake of the May 2018 GDPR rollout, data loss is no longer just an operational inconvenience; it is a legal liability. Here is a battle-tested guide to automated recovery workflows, database consistency, and why NVMe storage matters for RTO.

coolvds.com › Blog › Security & Compliance

Disaster Recovery in the GDPR Era: A Norwegian Survival Guide

· CoolVDS Team

Hope is not a strategy. In 2018, data loss isn't just an operational failure; it's a legal catastrophe. Here is how to architect a compliant, bulletproof DR plan using Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

The Autopsy of a Slow Request: APM Strategies for Norwegian DevOps in 2018

· CoolVDS Team

Stop guessing why your application is slow. We dive deep into Application Performance Monitoring (APM) using the ELK Stack and Prometheus, specifically tailored for the GDPR-conscious Norwegian infrastructure landscape of mid-2018.

coolvds.com › Blog › DevOps & Infrastructure

Scaling NGINX & Kong: API Gateway Tuning for the Post-GDPR Era

· CoolVDS Team

Stop blaming your backend code for latency. In 2018, the bottleneck is your kernel configuration and your hypervisor. A battle-hardened guide to tuning NGINX and Kong for high-throughput environments in Norway.

coolvds.com › Blog › DevOps & Infrastructure

API Gateway Tuning: Squeezing Milliseconds on Linux (2018 Edition)

· CoolVDS Team

Is your API gateway choking on 10k concurrent connections? Stop blaming the code. In this guide, we dissect Linux kernel tuning, NGINX worker optimization, and why NVMe storage is non-negotiable for low-latency Norwegian architecture.