Insights, tutorials, and updates from the CoolVDS team
Step-by-step guide to setting up a modern CI/CD pipeline using Firecracker MicroVMs.
Practical tips to reduce your cloud infrastructure costs without sacrificing performance.
Discover why Firecracker MicroVMs are changing the serverless landscape with sub-second boot times.
Learn how to maximize your AI inference performance with GPU slicing technology on CoolVDS.
A deep dive into optimizing Nginx and Linux kernel settings for API gateways. We cover connection handling, buffer sizes, and why KVM virtualization is non-negotiable for consistent latency in 2015.
Navigating the nascent container orchestration wars of 2015. We benchmark Docker Swarm, the newly released Kubernetes 1.0, and Apache Mesos to see which stack belongs on your Norwegian VPS infrastructure.
Manual server hardening is a critical risk. Learn how to automate security baselines using Ansible on CentOS 7, ensure compliance with Datatilsynet guidelines, and why data sovereignty in Norway is your best defense against the crumbling Safe Harbor framework.
Migrating live production databases without killing your SLA requires military precision. Here is the exact replication strategy and my.cnf tuning we use to move heavy I/O workloads across the Nordic infrastructure.
Microservices solve scale but introduce chaos. Learn how to build a robust routing layer using Consul and HAProxy on KVM—the 2015 standard for resilient architecture.
Microservices are the trend of 2015, but they introduce massive HTTP overhead. Learn how to tune Nginx, the Linux kernel, and your hosting environment to handle the load without crashing.
Migrating a live database without killing your uptime is an art form. Here is the field guide to moving production SQL workloads to high-performance KVM slices without losing sleep.
Moving a live database doesn't have to be a game of Russian Roulette. We explore battle-tested strategies using Master-Slave replication, Percona XtraBackup, and high-performance local storage to keep your uptime intact.
Cloud elasticity often masks inefficient architecture. Learn how to cut hosting costs by 40% using KVM rightsizing, Nginx tuning, and leveraging Norwegian connectivity for lower latency.
Kubernetes 1.0 is finally here, but the flat-networking model is causing headaches for early adopters. We dissect the performance costs of Flannel vs. Weave and why your underlying VPS architecture decides your cluster's fate.
Managing containers across multiple nodes is the new infrastructure nightmare. We break down the current state of Docker Swarm, Kubernetes 1.0, and Mesos, and why your underlying hardware determines who wins.
Pager fatigue destroys DevOps teams. We break down how to tune Zabbix for scale, why 'steal time' is the silent killer of performance, and how proper KVM isolation prevents false positives.
Vertical scaling hits a wall. When your `innodb_buffer_pool_size` exceeds physical RAM, it's time to shard. We break down the architecture of distributed databases, consistent hashing, and why low-latency infrastructure in Norway is critical for performance.
In 2015, mobile users won't wait. We dissect the Nginx and Kernel configurations required to drop API latency, focusing on the specific challenges of Norwegian connectivity.
In 2015, manual server hardening is a liability. Learn how to automate security baselines using Ansible 1.9 and why keeping data on Norwegian soil is the smartest move for your risk profile.
AWS Lambda and the 'Serverless' movement are dominating headlines in 2015, but is the technology ready for mission-critical Nordic workloads? We analyze the latency trade-offs, vendor lock-in risks, and hybrid architectures that combine FaaS agility with the raw power of KVM virtualization.
When your monolithic database hits the I/O wall, vertical scaling isn't enough. We dive deep into practical sharding strategies, implementation pitfalls, and why infrastructure latency is the silent killer of distributed data.
In 2015, managing server security via spreadsheets is negligence. We explore how to replace manual checklists with Ansible and OpenSCAP on Norwegian infrastructure to satisfy Datatilsynet and PCI-DSS requirements.
Containers are changing deployment, but default configurations are a security nightmare. Here is how to lock down Docker 1.7+ environments while keeping performance high on Norwegian infrastructure.
It is 2015 and Docker is eating the world, but 'root' inside a container is still 'root' on the host. We break down the exact flags and KVM architectures you need to secure your Norwegian infrastructure against container breakout.
In 2015, 'The Cloud' is often just a server in Germany. For Norwegian traffic, that 30ms round-trip is killing your conversion rates. We dive into the physics of latency, Nginx edge caching strategies, and why data sovereignty is becoming critical.
Hardcoded IP addresses in your load balancers are a ticking time bomb. Learn how to automate service discovery using HashiCorp Consul and consul-template on a Linux stack.
It is 2015. If you are still relying solely on manual Nagios checks for a dynamic fleet, you are doing it wrong. Here is how to architect a monitoring stack that scales with your traffic, keeps your data in Norway, and lets you sleep through the night.
Nagios says your server is up, but your customers say the checkout is broken. Here is how to implement real APM using the ELK stack and Nginx logging, avoid the 'noisy neighbor' effect common in cheap VPS hosting, and keep your data compliant with Norwegian privacy standards.
The old "hard shell, soft center" security model is obsolete. Learn how to implement Google-style Zero Trust principles using KVM, iptables, and SSH hardening to protect your Norwegian VPS assets.
It is not a matter of if your server will fail, but when. We dissect practical Disaster Recovery strategies for 2015, from MySQL replication to complying with Datatilsynet, ensuring your data survives the worst.