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coolvds.com › Blog › DevOps & Infrastructure

Kubernetes vs. Docker Swarm: The 2018 Orchestration Battleground for Norwegian DevOps

· CoolVDS Team

With the GDPR deadline looming on May 25th, choosing the right container orchestrator is about more than just features—it's about compliance, latency, and survival. We pit Kubernetes 1.10 against Docker Swarm to see which stack belongs on your Norwegian infrastructure.

coolvds.com › Blog › Security & Compliance

Zero-Trust Architecture: Why "Inside the Firewall" Means Nothing in 2018

· CoolVDS Team

With GDPR enforcement just weeks away and the dust still settling from Meltdown/Spectre, the "Castle and Moat" security model is a liability. Here is how to implement a pragmatic Zero-Trust architecture using Nginx mTLS and strict SSH hardening on Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Scaling CI/CD in 2018: Crushing I/O Bottlenecks and Surviving GDPR

· CoolVDS Team

With the May 25th GDPR deadline approaching, slow build pipelines are a risk you can't afford. We dissect how to optimize Jenkins and GitLab runners using Docker multi-stage builds and high-performance NVMe infrastructure in Norway.

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 › Database Management

Database Sharding Strategies: Why You Should Probably Scale Up Instead (And How to Shard If You Must)

· CoolVDS Team

It is April 2018. GDPR is looming, your master database is choking on IOPS, and you think sharding is the answer. As a battle-hardened sysadmin, I'm here to tell you: upgrading your vertical stack on CoolVDS is usually smarter. But if you truly have 'Facebook-scale' problems, here is the manual on how to shard without destroying your data integrity.

coolvds.com › Blog › DevOps & Infrastructure

CI/CD Bottlenecks: Accelerating Pipelines Before the GDPR Deadline

· CoolVDS Team

Your build times are killing developer productivity. We dissect the hidden causes of slow CI/CD pipelines in 2018—from disk I/O latency to Docker layer caching—and why infrastructure location matters now more than ever.

coolvds.com › Blog › Security & Compliance

Zero-Trust Architecture on Linux: Surviving the Post-Perimeter Era

· CoolVDS Team

The 'castle and moat' security model is dead. With GDPR looming, relying on a single edge firewall is professional negligence. Here is how to implement Zero-Trust principles on your VPS using 2018-era tools like iptables, OpenVPN, and 2FA.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes vs. Docker Swarm: Surviving the Orchestration Wars in 2018

· CoolVDS Team

As the GDPR deadline looms in May 2018, Nordic DevOps teams are scrambling to containerize. We benchmark Kubernetes 1.9 against Docker Swarm to see which orchestrator offers the best balance of complexity versus control on Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Microservices Architecture in 2018: Patterns for Performance and Survival

· CoolVDS Team

Moving from monolith to microservices isn't just about code—it's an infrastructure war. Learn the battle-tested patterns, Nginx configurations, and KVM strategies needed to keep latency low and uptime high in the Norwegian market.

coolvds.com › Blog › Database Management

Zero-Downtime Database Migration: The 2018 Survival Guide for Sysadmins

· CoolVDS Team

Database migrations are where careers go to die. Learn the master-slave replication strategy using MySQL 5.7 and Percona XtraBackup to migrate terabytes of data with minimal downtime, while navigating the upcoming GDPR requirements.