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Docker 1.0 is here, but running it in production requires more than a simple `docker run`. We dive into cgroups, namespaces, and why wrapping containers in KVM is the only way to satisfy Datatilsynet.
The 'Castle and Moat' security strategy is dead. Following the Heartbleed wake-up call, we explore how to implement a Zero-Trust network model on your VPS using iptables, strict SSH key management, and internal encryption. Stop trusting your LAN.
When your master database hits 100% CPU and IO wait spikes, buying a bigger server isn't the answer—sharding is. We explore architectural strategies for 2014, covering application-level sharding, partitioning, and the critical role of underlying I/O performance.
Nagios tells you the server is up. It doesn't tell you why the checkout takes 5 seconds. Here is how to implement real Application Performance Monitoring on a Linux VPS without breaking the bank.
RAID is not a backup. In this guide, we dissect a battle-tested recovery strategy for Norwegian infrastructure using KVM, rsync, and Percona XtraBackup. Learn how to survive data loss before it happens.
When vertical scaling hits a wall, sharding is your only exit. A battle-hardened guide to splitting your database without losing your mind, featuring strictly 2014-era tech and strategies.
Physics doesn't negotiate. When 30ms makes the difference between a conversion and a bounce, hosting your application in Frankfurt while your users are in Oslo is a strategic failure. Here is how to build a high-performance edge tier using Nginx, Varnish 4.0, and local KVM infrastructure.
Hardcoded IPs and DNS round-robin won't cut it in 2014. Learn how to implement a fault-tolerant, dynamic routing architecture using HAProxy and HashiCorp's new Consul on high-performance CoolVDS KVM instances.
Microservices solve code complexity but create network chaos. Learn how to implement a battle-hardened internal routing layer (the precursor to a service mesh) using HAProxy 1.5 and Zookeeper on high-performance infrastructure.
Stop paying for idle cycles. A pragmatic look at rightsizing infrastructure, leveraging SSD performance, and navigating Norwegian compliance laws in 2014.
While the industry shouts about public cloud scalability, smart CTOs are looking at the bottom line. We dissect the specific configuration strategies—from KVM isolation to Nginx tuning—that reduce TCO for Norwegian infrastructure.
Is your monitoring system generating more false positives than actual alerts? We dive deep into tuning Zabbix 2.2, optimizing MySQL I/O, and leveraging KVM isolation to build a surveillance architecture that actually works.
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.
With the recent Heartbleed vulnerability shaking the internet, and Docker gaining traction in version 0.10, isolation is the priority. Here is how to secure your Linux Containers (LXC) effectively while maintaining performance.
Centralized load balancers are killing your microservices architecture. Learn how to deploy a distributed service discovery layer using HAProxy, Zookeeper, and SmartStack to reduce latency and eliminate single points of failure.
Stop letting default configurations strangle your API throughput. A deep dive into Nginx upstream keepalives, sysctl TCP tuning, and why hardware I/O latency is the silent killer of mobile backends in 2014.
RAID is not a backup. In this deep dive, we explore disaster recovery strategies for Norwegian businesses using CentOS 6, MySQL replication, and KVM isolation. Learn how to keep your data safe from hardware failure and Datatilsynet audits.
Stop waking up at 3 AM for false positives. A Senior Systems Architect breaks down how to move from reactive ping-checks to proactive trend analysis using Zabbix, Graphite, and KVM-based isolation in the Norwegian market.
Cloud bills spiraling? A battle-hardened systems architect breaks down how to cut hosting costs in 2014 through kernel tuning, rightsizing, and leveraging local Norwegian infrastructure.
Physics doesn't negotiate. In 2014, the difference between hosting in Norway versus mainland Europe is the difference between a bounce and a conversion. We dissect the technical reality of local peering and how to configure Nginx and Varnish for the Nordic edge.
Stop blaming your application logic for slow response times. We dive deep into Linux kernel tuning, Nginx configurations, and the hardware realities required to handle 10k+ concurrent connections in 2014.
Moving to a Service-Oriented Architecture? Don't let network fragility kill your uptime. Here is a battle-tested guide to implementing service discovery and load balancing using HAProxy and Zookeeper on high-performance KVM infrastructure.
It is 2014. If you are still relying on a nightly tarball stored on the same drive as your OS, you are already dead. This is the battle-hardened guide to DR in Norway using MySQL replication, rsync, and KVM isolation.
Stop letting Apache's process model eat your RAM. This guide details the exact NGINX configurations, upstream load balancing strategies, and kernel tuning needed to handle 10,000+ concurrent connections on CoolVDS KVM instances.
A pragmatic guide for CTOs and SysAdmins on automating server security to meet Norwegian Data Protection standards. Covers KVM isolation, iptables scripting, and the critical importance of data locality in 2014.
Manual server audits are a liability in 2014. Learn how to automate compliance with the Norwegian Personal Data Act using Puppet manifests, IPTables, and AIDE on true KVM infrastructure.
Hardware fails. It is a mathematical certainty. In 2014, relying solely on RAID is professional negligence. We dissect the difference between redundancy and recovery, explore robust rsync strategies, and explain why keeping your data inside Norway borders (Datatilsynet) is your best legal defense.
It is 2014, and mobile traffic is exploding. Learn how to configure Nginx and the Linux kernel to handle thousands of concurrent REST API requests without melting your server, focusing on latency, keepalives, and the crucial role of SSD storage.
Migrating a live database without data loss or downtime is the ultimate litmus test for a sysadmin. Here is the comprehensive strategy for moving high-load MySQL datasets to Norwegian soil using replication, SSH tunneling, and KVM-based consistency.
Is your build queue causing a bottleneck? We dive into kernel-level tuning, I/O optimization with SSDs, and Jenkins configuration to slash deployment times in 2014.