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DevOps & Infrastructure Articles

Technical insights and best practices for DevOps & Infrastructure

DevOps & Infrastructure

Edge Computing Use Cases: Why Latency is the Only Metric That Matters (2016 Edition)

Stop routing your Norwegian traffic through Frankfurt. We explore practical Edge Computing architectures using Nginx, Varnish, and local VPS nodes to crush latency and satisfy Datatilsynet.

Escaping Vendor Lock-in: A Pragmatic Hybrid Cloud Architecture for Norwegian Enterprises

With the fall of Safe Harbor and the looming GDPR, relying solely on US-based hyperscalers is a liability. This guide details a hybrid infrastructure strategy using Terraform 0.7 and OpenVPN to bridge local Norwegian NVMe storage with public cloud scalability.

Disaster Recovery in 2016: Why Your "Backups" Won't Save You When the Server Melts

It is November 2016. Ransomware is exploding, and the EU-US Privacy Shield is shaky. Here is a battle-tested Disaster Recovery guide using MySQL 5.7 GTID, BorgBackup, and Norwegian data sovereignty principles.

Multi-Cloud is a Necessity, Not a Luxury: A 2016 Survival Guide for Nordic CTOs

Vendor lock-in is the silent killer of profitability. In this guide, we dismantle the 'all-in' cloud myth and build a high-performance, legally compliant hybrid infrastructure using Terraform, Consul, and local NVMe powerhouses.

Serverless Architecture Patterns: The Hybrid Reality Check for 2016

While the hype around AWS Lambda grows, pragmatic engineers know the truth: serverless doesn't mean no servers. We explore hybrid patterns that combine FaaS agility with the raw power of NVMe-backed VDS for stateful reliability.

Stop Guessing: A Sysadmin’s Guide to True Application Performance Monitoring (2016 Edition)

Is your application slow or is your VPS provider stealing cycles? In 2016, 'it feels fast' isn't a metric. We break down how to use the ELK stack, sysstat, and Nginx metrics to expose bottlenecks before Black Friday hits.

Escaping the Vendor Lock-in Trap: A Pragmatic Hybrid Cloud Strategy for 2017

Is your entire infrastructure held hostage by a single US hyperscaler? We break down a battle-tested architecture using local Norwegian VPS for core data stability and public cloud for burst capacity—featuring real config examples for HAProxy and Ansible.

Stop Blaming Maven: Why I/O Latency is Killing Your CI/CD Pipeline

Your build times aren't slow because of your code—they're slow because your VPS storage is choking. We analyze the impact of Disk I/O on Docker and Jenkins pipelines and why NVMe-backed KVM is the only viable architecture for 2016.

Locking Down Docker: A Container Security Survival Guide for 2016

The recent Dirty COW exploit was a wake-up call: containers are not sandboxes. In this deep dive, we explore how to harden Docker 1.12, manage kernel capabilities, and why running containers inside KVM slices is the only way to sleep at night.

Hardening Docker 1.12: Container Security in a Post-Dirty COW World

The 'Dirty COW' exploit woke everyone up. Here is a battle-tested guide to locking down containers on Linux, why KVM is mandatory for true isolation, and how to navigate Norwegian data privacy in late 2016.

Taming the Beast: A Deep Dive into Kubernetes 1.4 Networking & CNI Choices

Kubernetes networking isn't magic; it's a labyrinth of iptables and routing tables. We break down CNI plugins, overlay networks, and why your underlying hardware matters more than your config in 2016.

Stop Guessing: A Battle-Hardened Guide to Application Performance Monitoring (APM)

CPU usage is a lie. If your users in Oslo are seeing spinners while your dashboard shows green, you are looking at the wrong metrics. Here is how to debug latency in 2016 using sysstat, Nginx logs, and the ELK stack.

Container Orchestration in 2016: Kubernetes vs. Docker Swarm for Nordic Infrastructures

A battle-hardened comparison of the new Docker Swarm Mode and Kubernetes 1.4. We analyze performance, complexity, and why your underlying VPS IOPS matter more than your scheduler.

Stop Guessing: The 2016 Guide to Application Performance Monitoring & Linux Tuning

It is 3 AM and latency is spiking. Do you know why? We dive deep into Nginx logging, MySQL profiling, and the ELK stack on Ubuntu 16.04 to diagnose bottlenecks before they kill your uptime.

High-Throughput API Gateways: Nginx Tuning & NVMe Architecture for Nordic Traffic

Latency isn't just network distance; it's disk I/O and kernel locks. We dissect the 2016 stack for high-performance API Gateways, focusing on Nginx tuning, TCP stack optimization on CentOS 7, and why NVMe storage is the only viable option for serious workloads.

Taming Microservices Chaos: A Practical Guide to Service Mesh with Linkerd (2016 Edition)

Microservices are great until your network turns into a black hole. We implement Linkerd on CoolVDS to handle service discovery and resilience without losing our minds.

Beyond Nagios: Why 'Green' Dashboards Hide System Failure (And How to Fix It)

Your server responds to ping, but your customers are seeing timeouts. This 2016 guide moves beyond simple 'up/down' monitoring into deep metric aggregation using ELK and StatsD, ensuring your infrastructure is actually performing, not just existing.

Docker Swarm vs. Kubernetes 1.4: Surviving the Orchestration Wars on Nordic Infrastructure

As 2016 draws to a close, the container orchestration battle heats up. We benchmark Docker Swarm Mode against the new Kubernetes 1.4 to see which stack handles production loads without melting your Norwegian VPS.

CI/CD Bottlenecks: Why Your Builds Are Slow and How NVMe Saves the Day

Is your deployment pipeline bleeding time? We dissect the IOPS bottleneck in Jenkins and Docker workflows and show why high-performance infrastructure is the only cure for slow builds in 2016.

Kubernetes 1.4 Networking: Surviving the Packet Jungle on Bare Metal & KVM

A deep dive into the chaotic world of Kubernetes networking, CNI plugins, and iptables hell. Learn how to optimize pod communication without sacrificing latency, specifically tailored for Norwegian infrastructure.

Stop Blaming the Code: A Sysadmin's Guide to Real Application Performance Monitoring

Is your application hanging? Most devs blame the database, but the culprit is often the infrastructure. We dive deep into APM strategies using ELK, system tuning, and why hardware isolation matters in 2016.

Docker in Production: Locking Down Containers Before They Break Your Infrastructure

It is October 2016, and everyone is rushing to containerize. But default Docker settings are a security nightmare waiting to happen. Here is how to harden your stack using namespaces, capabilities, and KVM isolation.

The Orchestration Wars 2016: Kubernetes 1.4 vs. Docker Swarm Mode

It is late 2016, and the battle for container dominance has shifted from the runtime to the cluster. We benchmark Kubernetes, Docker Swarm, and Mesos to see which solution actually survives production workloads in the Norwegian market.

Edge Computing in 2016: Why 30ms Latency to Frankfurt is Killing Your IoT Performance

Centralized clouds are failing real-time applications. We explore how deploying logic closer to Norwegian users—using local KVM VPS and TCP tuning—solves the latency crisis.

Stop Flying Blind: Implementing High-Fidelity APM on Norwegian Infrastructure (2016 Edition)

Latency is the silent killer of conversion rates. In this guide, we strip away the marketing fluff to build a raw, effective monitoring stack using Nginx, MySQL 5.7, and the ELK stack, optimized for Norwegian data sovereignty.

Stop Watching Progress Bars: Optimizing CI/CD Pipelines on KVM Infrastructure

Is your Jenkins build taking 20 minutes? In 2016, developer idle time is the biggest budget killer. We dissect I/O bottlenecks, Docker caching strategies, and why raw NVMe power in Norway is the secret to sub-minute deployments.

Stop SSH-ing into Production: Mastering Git-Centric Infrastructure in 2016

Manual deployments are a ticking time bomb. Learn how to implement a 'Git-Driven' workflow using Docker, Jenkins, and KVM virtualization to automate your Nordic infrastructure.

API Gateway Performance Tuning: Squeezing Milliseconds out of Nginx and Kong in 2016

Microservices are exploding, but so is your latency. Learn how to tune Nginx, optimize Linux kernel parameters for high concurrency, and why hardware selection determines 50% of your API's response time.

Container Security in 2016: Stop Exposing Your Kernel to Script Kiddies

Docker is revolutionizing deployment, but default configurations are a security nightmare. Learn how to lock down your containers, drop capabilities, and why KVM virtualization is your last line of defense.

Escaping Vendor Lock-in: A Pragmatic Multi-Cloud Strategy for 2016

Is relying solely on AWS or Azure a ticking time bomb for your CTO? We analyze how to leverage Terraform and local Norwegian infrastructure to build a resilient, compliant multi-provider architecture without breaking the bank.