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All articles tagged with Ubuntu

#Ubuntu

Stop Guessing: A Battle-Hardened Guide to APM and Observability in Norway

Latency in Oslo shouldn't feel like you're routing through the moon. We dismantle the 'black box' of server performance, set up a self-hosted Prometheus/Grafana stack on Ubuntu 24.04, and explain why underlying hardware dictates your monitoring truth.

The Silence Before the Crash: High-Fidelity Infrastructure Monitoring

Green status lights lie. Learn how to architect a Prometheus stack that detects 'silent failures' and why predictable I/O on CoolVDS is the only way to avoid false positives in 2025.

Automating Compliance: Surviving NIS2 and Datatilsynet Without Losing Your Mind

Manual security audits are a liability in 2025. Learn how to automate CIS benchmarks and GDPR compliance checks on Ubuntu 24.04 using Ansible, OpenSCAP, and immutable infrastructure principles.

Deploying Production-Ready Gemini AI Integrations: Architecture, Security, and Caching Strategy

Move beyond basic API calls. Learn how to architect robust Google Gemini integrations using Python, Redis caching, and secure infrastructure on Linux, tailored for Norwegian data compliance standards.

Stop Leaking Data to OpenAI: High-Performance Local LLM Deployment with Ollama & CoolVDS

The 'cloud' isn't magic; it's just someone else's computer reading your sensitive data. Learn how to deploy Llama 2 and the new Mistral 7B locally using Ollama on a high-frequency NVMe VPS.

Automating Security Compliance: Surviving Datatilsynet with Ansible and OpenSCAP

Manual audits are a liability. Learn how to automate CIS Level 1 benchmarks on Ubuntu 20.04, secure your SSH configurations, and leverage Norwegian data sovereignty to mitigate US Cloud Act risks.

Automating Compliance: Why Manual Security Audits Are a Liability in 2020

Manual server hardening is dead. In this deep dive, we explore 'Compliance as Code' using Ansible and OpenSCAP on Ubuntu 20.04 to satisfy Datatilsynet requirements and secure your Nordic infrastructure.

Stop Guessing: A Battle-Hardened Guide to APM and Infrastructure Visibility in 2019

Is your application slow, or is it the network? In this deep dive, we move beyond 'top' and implement a full Prometheus + Grafana stack on Ubuntu 18.04. We analyze disk I/O latency, debug MySQL bottlenecks, and explain why hosting location in Norway matters for your metrics.

Automating GDPR Compliance: A DevOps Guide to Hardening Linux Infrastructure (August 2018 Edition)

The GDPR grace period is over. Manual security hardening is a liability. Learn to automate compliance using Ansible and OpenSCAP, ensuring your infrastructure meets Datatilsynet standards without destroying your velocity.

Stop Flying Blind: A Battle-Tested Guide to APM and Infrastructure Visibility

Your application is a black box until you instrument it. We break down how to implement Prometheus and Grafana on Ubuntu 16.04, handle the looming GDPR deadline, and why underlying hardware IOPS dictate your monitoring accuracy.

Machine Learning Infrastructure on VDS: Why I/O Latency is the Silent Killer of Model Training

In 2017, the rush to Machine Learning is overwhelming, but your infrastructure choices might be sabotaging your results. We dissect why NVMe storage and KVM isolation are non-negotiable for data science workloads in Norway.

When Root Melts: A Pragmatic Disaster Recovery Strategy for Norwegian Systems (2016 Edition)

Post-Mirai botnet analysis: Why your 'backup script' isn't a Disaster Recovery Plan. We break down Master-Slave replication on Ubuntu 16.04, the legal reality of data residency in Norway, and why NVMe restores save jobs.

Squeezing Milliseconds: Tuning Nginx & OpenResty for High-Throughput API Gateways

Default configurations are killing your API performance. We dive deep into kernel tuning, HTTP/2 optimizations, and connection pooling on Ubuntu 16.04 to handle thousands of concurrent requests without melting your CPU.

Silence the False Alarms: Building a Bulletproof Monitoring Stack with Zabbix 3.0 & ELK

Ping is not monitoring. In this deep dive, we architect a fault-tolerant monitoring solution using Zabbix 3.0, Grafana, and the ELK stack to visualize infrastructure health on Ubuntu 16.04. Learn to detect CPU steal and latency spikes before your Norwegian users even notice.

Automating Server Hardening on Ubuntu 16.04: A Guide for Nordic Systems

Ubuntu 16.04 LTS 'Xenial Xerus' has just landed. Here is how to automate your security compliance workflow using Ansible and OpenSCAP to prepare for the newly adopted GDPR framework.

Container Security in 2014: Why Shared Kernels Keep Me Up at Night (And How to Fix It)

With the release of Docker 1.0, everyone wants to containerize. But as a sysadmin managing Norwegian infrastructure, I see gaping security holes. Here is how to lock down LXC and Docker using AppArmor, capabilities, and the right virtualization layer.

Stop Pinging, Start Measuring: A Sysadmin’s Guide to Monitoring Infrastructure at Scale

Uptime checks lie to you. In 2014, if you aren't graphing I/O wait and CPU steal time, you're flying blind. Here is how to build a battle-hardened monitoring stack on Ubuntu 14.04 that respects Norwegian data sovereignty.

Building a Resilient Service Connectivity Layer: The HAProxy & Consul Guide

Microservices are replacing monoliths, but managing connections is a nightmare. Learn how to architect a 2014-era 'Service Mesh' using HAProxy 1.5, Consul, and robust KVM infrastructure.

Escaping Localhost: Advanced Multi-Host Container Networking with Open vSwitch

Docker 0.9 changed the game, but cross-host networking remains a nightmare of NAT overhead and port conflicts. We dive deep into using Open vSwitch and pipework to build a scalable container network on KVM infrastructure.

Securing the Cage: Hardening LXC and OpenVZ for High-Performance Hosting

Container virtualization offers raw speed, but shared kernels pose significant security risks. Learn how to lock down LXC and OpenVZ environments using cgroups, capabilities, and network isolation.

Stop Wasting RAM: Why Linux Containers (LXC) Are The Future of High-Performance Hosting

Hypervisors are heavy. In a world demanding millisecond latency, Linux Containers (LXC) offer bare-metal performance with VM-like manageability. Here is why you should care.

Linux Server Hardening in 2013: Survival Guide for Norwegian Systems

A battle-hardened guide to securing your Linux VPS against modern threats. We cover SSH keys, IPTables strategies, and why kernel isolation matters for compliance in Norway.

Stop Letting Apache Prefork Kill Your RAM: The Definitive Guide to Tuning PHP-FPM in 2012

Is mod_php choking your server? We ditch the legacy Apache setup for a high-performance Nginx + PHP-FPM stack. Learn to tune process managers, calculate RAM limits, and configure APC for sub-100ms response times in Norway.

Bulletproof Your Box: The Definitive Linux Server Hardening Guide for 2013

Stop relying on default configs. A battle-hardened sysadmin's guide to locking down CentOS 6 and Ubuntu 12.04 using iptables, key-based auth, and kernel tuning. Essential reading for Norwegian deployments.

FTP is Dead: Securing Your Data Transfer with SFTP on Linux

Stop sending passwords in cleartext. Learn how to configure a chrooted SFTP environment on CentOS 6 and Ubuntu 12.04 to comply with Norwegian privacy standards.

Secure Your Data: Building a Bulletproof OpenVPN Gateway on Ubuntu 12.04

Stop trusting public Wi-Fi. In this guide, we deploy a hardened OpenVPN server on Ubuntu 12.04 LTS, configuring 2048-bit encryption, iptables masquerading, and split tunneling for maximum security and performance.

Stop Using FTP: Build a Private, High-Speed Git Server with Gitolite on Ubuntu 12.04

Ditch the slow SVN and insecure FTP transfers. Learn how to deploy a secure, self-hosted Git server using Gitolite in Norway for millisecond-latency pushes and full data sovereignty.

Private Git Server on Ubuntu 12.04: Low-Latency Collaboration for Norwegian Teams

Stop relying on US-hosted repos. Learn to deploy a secure, high-performance Gitolite server on Ubuntu 12.04 using strict SSH controls and SSD storage. Perfect for Norwegian teams needing compliance and raw speed.

Lock It Down: The 2012 Guide to Linux Server Hardening in Norway

A default Linux install is a vulnerability waiting to happen. Learn the battle-tested configuration strategies to secure your CentOS 6 and Ubuntu 12.04 servers against brute force attacks, while ensuring compliance with Norwegian data laws.

Bulletproof Nginx Reverse Proxy: Survival Guide for High-Load Norwegian Web Services

Stop letting Apache kill your RAM. Learn how to deploy Nginx as a high-performance reverse proxy on CentOS and Ubuntu 12.04. Optimizations for latency, SSL offloading, and handling the C10k problem.