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#"system administration"]

All articles tagged with "system administration"]

#"system administration"]

Zero-Trust Architecture in 2025: Killing the VPN and Securing Data in Norway

Perimeter security is dead. Learn how to implement a Zero-Trust architecture using mTLS, WireGuard, and strict KVM isolation on CoolVDS to satisfy Datatilsynet requirements and modernize your infrastructure.

Zero-Downtime Database Migration: The Norwegian DevOps Survival Guide

Migrating critical databases without killing your SLA is an art. We dissect a replication-based strategy for moving terabyte-scale datasets to high-performance NVMe storage in Oslo, ensuring GDPR compliance and minimal latency.

Silence the Noise: Architecting High-Resolution Infrastructure Monitoring in Norway (2025 Edition)

Alert fatigue is killing your DevOps team. Learn how to build a sovereign, high-performance observability stack using Prometheus, Loki, and OpenTelemetry that respects GDPR and leverages Norwegian infrastructure.

Edge Computing Patterns: Surviving the Latency Trap in Norway

Physics doesn't negotiate. A battle-hardened guide to deploying low-latency edge nodes in Norway using K3s, WireGuard, and NVMe infrastructure to beat the speed of light.

Silence the Noise: Scalable Infrastructure Monitoring Without the Alert Fatigue

Stop waking up for false positives. A battle-hardened guide to setting up Prometheus, Grafana, and Alertmanager on high-performance infrastructure in Norway, focusing on the Golden Signals and avoiding CPU steal time.

The Anatomy of a Crash: Building High-Precision APM Stacks in Norway (2024 Edition)

Stop relying on expensive, black-box cloud monitoring that exports your data abroad. Learn how to architect a GDPR-compliant, self-hosted OpenTelemetry stack using Prometheus and Grafana on high-IOPS NVMe infrastructure.

Disaster Recovery Architecture: Surviving Ransomware and Auditors in Norway

Hope is not a strategy. We dissect the anatomy of a compliant Disaster Recovery plan for 2024, focusing on immutable backups, Norwegian data sovereignty, and minimizing RTO with NVMe storage.

Edge Computing Realities: Why Your "Fast" Cloud is Too Slow for Norway

Stop routing local traffic through Frankfurt. We dissect the physics of latency, NIX peering, and practical edge computing configurations to achieve sub-5ms response times.

Disaster Recovery Architectures for Norwegian Enterprises: Beyond 'Just Backups' (2024 Edition)

Hope is not a strategy. Learn how to architect true resilience using RTO/RPO frameworks, PostgreSQL streaming replication, and ZFS snapshots compliant with Datatilsynet regulations.

Escaping "Jupyter Hell": Production-Grade MLflow Deployment on Linux

Stop managing machine learning experiments in spreadsheets. A battle-hardened guide to self-hosting MLflow with PostgreSQL and MinIO backends on high-performance infrastructure.

Kubernetes vs. Docker Swarm in 2019: Architecting for Low Latency and Norwegian Data Sovereignty

It's late 2019, and the orchestration wars are settling. We compare K8s against Swarm for Nordic deployments, analyze etcd sensitivity to disk I/O, and explain why your underlying VDS architecture matters more than your yaml config.

Surviving Scale: Building a Latency-Obsessed Monitoring Stack in 2018

Stop relying on 5-minute polling intervals. Here is how to architect a high-precision Prometheus and Grafana stack on NVMe infrastructure while keeping Datatilsynet happy.

Disaster Recovery Strategies for 2018: Surviving the Outage in a GDPR World

Backup is not recovery. In this deep dive, we architect a failover solution using MySQL replication and BorgBackup on Linux, specifically tailored for Norwegian data sovereignty requirements.

Stop Burning Cash: The Pragmatic CTO’s Guide to VPS Optimization in 2015

Cloud flexibility often masks financial inefficiency. Learn how to audit your Linux infrastructure, tune Nginx and MySQL 5.6 for lower resource usage, and why hosting in Norway offers a TCO advantage.

Container Orchestration in 2014: Taming the Docker Explosion on KVM

Docker is revolutionizing deployment, but managing it in production is the wild west. We compare Fig, CoreOS Fleet, and reliable configuration management for orchestrating containers on Norwegian infrastructure.

Container Security in 2014: Stop Handing Root Access to Your Host

Docker is exploding in popularity across Norway's dev teams, but default configurations are a security nightmare. We dissect kernel namespaces, capability dropping, and why true hardware virtualization (KVM) remains the only safe harbor for production data.

Latency is the Enemy: Architecting High-Performance Edge Nodes in Norway

Stop routing your Norwegian traffic through Frankfurt. A deep dive into deploying Varnish 4 and Nginx on local KVM instances to slash TTFB, optimize IOPS with PCIe SSDs, and dominate the NIX peering landscape.

Kubernetes Networking Deep Dive: Why Port Mapping is Dead | CoolVDS

Tired of managing Docker links and port conflicts? We dive deep into the revolutionary 'Flat Network' model of Google's new Kubernetes project, setup Flannel overlay networks, and explain why your VPS virtualization choice makes or breaks this architecture.

Disaster Recovery in 2014: Why Your "Backup Strategy" Is Likely a Ticking Time Bomb

Hardware fails. Humans make mistakes. If your disaster recovery plan relies on a single RAID array or a manual FTP transfer, you are already down. Here is the battle-tested blueprint for automated redundancy in Norway's hosting landscape.

Docker Orchestration in Late 2014: Fig, Fleet, or Madness?

Docker 1.2 is here, but managing containers across multiple hosts is still the Wild West. We compare Fig, CoreOS Fleet, and the emerging Kubernetes to see what actually works in production.

Beyond Backups: Architecting True Disaster Recovery for Norwegian Infrastructure

Backups save files; Disaster Recovery saves businesses. A battle-hardened guide to replication, failover, and keeping your data inside Norway's borders using 2014's best practices.

Latency Kills: Architecting Low-Latency Applications at the Nordic Edge

In 2014, the 'cloud' is nebulous, but physics is constant. Learn how to leverage regional VPS in Norway to slash TTFB, utilize Varnish 4 caching, and comply with Datatilsynet requirements without sacrificing IOPS.

The 'Serverless' Illusion: Architecting Resilient Microservices on High-Performance KVM

While PaaS promises a 'serverless' dream, the reality is often vendor lock-in and latency spikes. Learn how to architect true modular systems using Docker, Nginx, and low-latency NVMe VPS in Norway, ensuring compliance with Datatilsynet standards without sacrificing raw power.

Mastering Container Networking: From Docker Links to Kubernetes Concepts

Google's new Kubernetes project is rewriting the rules of cluster management. We dive deep into the networking primitives—namespaces, bridges, and overlays—that make multi-host Docker deployments possible today.

Demystifying Kubernetes Networking: A First Look at Google's New Container Manager

Docker 1.0 is here, but multi-host networking remains a nightmare. We dive deep into the pre-beta Kubernetes networking model, manual routing tables, and why you need KVM for the future of clusters.

Scaling Beyond Localhost: A Deep Dive into Multi-Host Docker Networking and Linux Bridges

It is April 2014, and Docker is changing how we deploy. But networking containers across multiple hosts remains a nightmare of NAT and port mapping. We explore manual bridging, Open vSwitch, and how to architect high-availability clusters on CoolVDS KVM instances.

Scaling Beyond the Master: A Field Guide to Database Sharding in 2014

When vertical scaling fails and your iowait hits 40%, sharding is the only path forward. We explore practical strategies using MySQL 5.6, PHP, and high-performance KVM architecture.

Hybrid Cloud Architecture 2014: Balancing Data Sovereignty and Latency in Norway

A pragmatic guide for CTOs on integrating local Norwegian VPS infrastructure with global cloud providers to solve latency issues and comply with Personopplysningsloven.

Stop SSH-ing into Production: The Case for Git-Driven Infrastructure

Manual server configuration is killing your uptime. Learn how to implement a 'commit-to-deploy' workflow using Git hooks, Puppet, and reliable KVM virtualization to eliminate snowflake servers.

Latency is the Enemy: Architecting High-Performance Edge Caching in Norway

Speed of light is immutable, but your server architecture isn't. Learn how to deploy Nginx and Varnish at the network edge to crush latency, satisfy Norwegian data laws, and serve dynamic content in milliseconds.