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All articles tagged with "Linux"]

#"Linux"]

Zero Trust Architecture in 2024: Implementing Strict Access Control on Norwegian Infrastructure

Perimeter security is obsolete. Learn how to architect a compliant Zero Trust environment using mTLS, WireGuard, and hardware-isolated KVM instances while navigating GDPR and Datatilsynet requirements.

Container Security: Locking Down the Hull Before Deployment

Root in a container is root on the host. This guide strips away the marketing fluff to show you how to actually secure Docker and Kubernetes workloads in 2024, focusing on kernel isolation, capability dropping, and why infrastructure choice matters for Norwegian compliance.

Taming the Whale: A 2014 Guide to Docker Orchestration in Production

Docker changed the packaging game, but managing containers across multiple hosts is still a nightmare. We benchmark Fleet, Mesos, and simple Ansible approaches on high-performance KVM slices.

Automating Server Hardening: Compliance Without the Headaches in a Post-Snowden World

Manual security checklists are a liability. Learn how to automate PCI-DSS and Datatilsynet compliance using Ansible on KVM infrastructure, keeping your data strictly within Norwegian borders.

Silence the Pager: Building Bulletproof Infrastructure Monitoring on KVM (2014 Edition)

Stop relying on complaints to detect downtime. A battle-hardened guide to scaling monitoring with Graphite, Collectd, and KVM isolation in the Norwegian hosting landscape.

Zero Downtime: Architecting Synchronous MySQL Replication with Galera Cluster

Async replication isn't enough for mission-critical apps in 2014. We break down how to deploy a multi-master MariaDB 10.0 Galera Cluster, configure HAProxy for load balancing, and why network latency across the Nordics determines your success.

Container Security in 2014: Why "Root" Inside Docker Is Scarier Than You Think

Docker 1.0 is here, but is it safe for production? We dive deep into the kernel-level risks of early containerization, how to lock down capabilities, and why wrapping containers in KVM is the only sane choice for Norwegian sysadmins.

Escaping the Walled Garden: A Pragmatic Multi-Provider Strategy for 2014

Don't let a single provider's outage sink your business. We explore how to architect a robust, hybrid infrastructure using HAProxy, Galera, and Norwegian data sovereignty to beat latency and US surveillance risks.

Docker 1.0, LXC, or OpenVZ? A Reality Check for Norwegian DevOps

Docker 1.0 has just landed, changing the conversation around virtualization. We compare the emerging container tools against battle-tested LXC and OpenVZ, and explain why KVM is the only sane foundation for your stack in 2014.

Container Orchestration in 2014: Mesos, Fleet, or Just Shell Scripts?

Docker 1.0 is finally out. But how do you manage 50 containers across multiple nodes? We benchmark Apache Mesos vs. CoreOS Fleet and explain why KVM is the only virtualization path that makes sense for Docker.

Architecting Resilience: Building a Distributed Service Routing Layer with HAProxy and Zookeeper

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.

Escaping the Monolith: Implementing a Resilient Microservices Architecture with HAProxy and SmartStack

Hardcoded IPs are the silent killers of uptime. In this deep dive, we explore implementing the 'Smart Stack' pattern using HAProxy and Zookeeper to create a self-healing service layer on high-performance KVM instances.

Squeezing Every Millisecond: High-Performance API Gateway Tuning with Nginx

Is your REST API choking under mobile load? We dive deep into Nginx configuration, Linux kernel tuning, and the critical importance of I/O isolation to reduce latency for Norwegian users.

Scaling Microservices in Norway: Building a Fault-Tolerant Routing Layer with HAProxy and Zookeeper

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.

Taming the SOA Chaos: Building a Resilient Service Discovery Layer in 2014

Microservices are trending, but the network complexity is killing reliability. Learn how to architect a 'Smart Pipe' infrastructure using HAProxy, Zookeeper, and KVM to stop cascading failures before they reach your users.

Stop Using FTP: The Battle-Hardened Guide to Git-Centric Deployments in 2013

Manual file uploads are killing your uptime. Learn how to implement automated, Git-driven workflows (the precursor to 'GitOps') using Jenkins, Capistrano, and Puppet on high-performance KVM infrastructure.

Surviving the Audit: Automating Server Security and Compliance in a Post-PRISM World

With the recent leaks regarding NSA surveillance, keeping data within Norwegian borders is no longer just complianceβ€”it's survival. Here is how to automate server hardening using Puppet and iptables on KVM infrastructure.

Deconstructing the Monolith: Practical SOA Patterns for High-Performance Ops

Move beyond the fragile 'Big Ball of Mud' architecture. Learn how to implement robust Service-Oriented Architecture (SOA) patterns using Nginx, KVM, and HAProxy while keeping your latency low and your Norwegian data compliance high.

Breaking the Monolith: High-Performance Service Architecture in 2013

Move beyond the fragility of monolithic applications. We explore practical Service-Oriented Architecture (SOA) patterns using Nginx, HAProxy, and KVM virtualization, ensuring your Norwegian infrastructure scales without latency bottlenecks.

Stop Just Monitoring. Start Measuring: Moving Beyond Nagios on High-Performance VPS

Is your server 'up' but your users seeing 502s? Discover the difference between basic status checks and deep system metrics in 2013. We dive into Graphite, Collectd, and why hardware isolation matters for accurate data.

Beyond Nagios: Why "Green" Status Checks Hide Your Latency Spikes (And How To Fix It)

Is your server actually healthy, or is it just responding to ping? We dismantle the myth of binary monitoring and implement real metric-based visibility using Graphite, StatsD, and Logstash on high-performance KVM architecture.

Surviving the Sprawl: LXC vs. OpenVZ vs. KVM High-Availability Architectures

A battle-hardened look at scaling infrastructure in 2013. We tear down the differences between Linux Containers and full virtualization, optimize for SSD I/O, and explain why KVM is the only sane choice for critical workloads in Norway.

Sleep Through the Night: The Definitive Guide to Bulletproof Server Monitoring with Munin and Nagios

Stop relying on user reports to know when your server is down. We dive deep into configuring Munin for trend analysis and Nagios for instant alerting on Ubuntu 12.04 and CentOS 6.

Stop Killing Your I/O: High-Performance PHP Session Management with Redis

File-based sessions are the silent killer of high-traffic PHP applications. Learn how to offload session handling to Redis 2.6 on SSD-powered KVM to eliminate locking issues and reduce latency.

The Xen Hypervisor: A Sysadmin's Guide to True Isolation and Performance

Stop suffering from "noisy neighbors" on oversold OpenVZ nodes. We dissect Xen PV vs. HVM, kernel tuning for virtualized environments, and why hardware isolation matters for your Norway-based infrastructure.

Stop Killing Your I/O: High-Performance Session Caching with Redis on Linux

Disk-based PHP sessions are a concurrency bottleneck. Learn how to implement Redis 2.4 for sub-millisecond session handling and why low-latency hardware in Norway is critical for this architecture.

PHP-FPM Performance Tuning: Squeezing Every Drop of Speed from Your LEMP Stack

Stop letting Apache mod_php eat your RAM. A deep dive into configuring PHP-FPM, tuning process managers, and leveraging APC caching for high-traffic sites in 2012.

The '3-2-1' Backup Rule: Automating Disaster Recovery on Linux Systems (2012 Edition)

RAID is not a backup. Discover battle-tested methods for automating off-site backups using rsync, MySQL dumps, and cron on CentOS 6 and Ubuntu 12.04. Protect your data against corruption and hardware failure.

MySQL 5.5 Performance Tuning: surviving High Load on Linux VPS

Stop running default configurations. A battle-hardened guide to optimizing InnoDB, debugging I/O bottlenecks, and leveraging SSD storage for Norwegian web applications in 2012.

Xen Virtualization: The Architect's Guide to True Isolation & Performance

Stop letting noisy neighbors kill your I/O. A deep dive into Xen PV vs HVM, memory management, and why true hardware isolation is critical for high-traffic Norwegian deployments.