All articles tagged with "SysAdmin"]
A deep dive into modern Kubernetes networking for Norwegian infrastructure engineers. We analyze eBPF performance, the shift to Gateway API, and how to optimize sysctl parameters to prevent conntrack exhaustion on production clusters.
Stop relying on "hope" for database migrations. Learn the architectural patterns for zero-downtime transfers using replication, NVMe-backed storage, and strict compliance with Norwegian data laws.
A deep dive into Kubernetes networking performance for Nordic infrastructure. We analyze CNI choices, switch from iptables to IPVS, and explain why underlying VPS hardware dictates your cluster's throughput.
Sharding is complex, dangerous, and sometimes inevitable. We break down when to split your database, how to implement consistent hashing without losing your mind, and why infrastructure latency in Oslo matters more than your schema design.
It is late 2014 and Docker is eating the world. But running containers in production without hardening is negligence. We dissect LXC isolation, kernel exploits, and why KVM is your safety net.
Manual FTP uploads are a liability. Learn how to architect a rugged, automated deployment pipeline using Git, Jenkins, and Ansible on high-performance KVM architecture.
The old model of 'trusted LAN, untrusted WAN' is obsolete. Following the chaos of Heartbleed and Shellshock, we explore how to build a manual Zero-Trust architecture using iptables, strict SSH tunneling, and KVM isolation on Norwegian infrastructure.
In the wake of Heartbleed, manual server hardening is professional negligence. Learn how to automate security compliance under Norwegian law using Puppet manifests and why KVM isolation is non-negotiable for sensitive data.
Containerization is exploding, but the shared kernel model exposes risks. We dissect namespaces, cgroups, and why wrapping your containers in a KVM VPS is the only sane choice for production.
Cloud bills in 2014 are spiraling out of control. Learn how to optimize Linux kernels, tune Nginx, and leverage Norwegian infrastructure to cut hosting costs by 40% without sacrificing performance.
Latency kills conversion. Discover how to debug high load, optimize MySQL 5.6, and why 'Steal Time' is the silent killer of your VPS performance in Norway.
The 'castle and moat' security strategy is failing. In the wake of Heartbleed, we explore how to implement Forrester's Zero Trust model using IPTables, SSL mutual authentication, and strict access controls on Ubuntu 14.04 LTS.
The traditional "hard shell, soft center" security model is dead. Following the Heartbleed wake-up call, we explore how to implement rigorous internal segmentation and de-perimeterization on your VPS environments using standard Linux tools available in 2014.
Manual file uploads are killing your uptime. Learn how to implement a Git-based deployment workflow using hooks, Puppet, and KVM-based VPS hosting to automate your delivery pipeline.
Stop paying for idle cycles. A pragmatic look at rightsizing infrastructure, leveraging SSD performance, and navigating Norwegian compliance laws in 2014.
The perimeter is dead. With the recent OpenSSL Heartbleed vulnerability exposing the fragility of 'trust', we explore implementing the Zero Trust model on Linux systems. Learn how to lock down your CoolVDS instances using KVM isolation, rigorous iptables policies, and multi-factor authentication.
Ping checks aren't enough. If you're running high-traffic workloads in Norway, you need granular metrics. We dive into `iostat`, Nginx stub_status, and Zabbix optimizations to keep your infrastructure sane.
Container virtualization (LXC/OpenVZ) offers speed, but shared kernels invite disaster. Learn how to harden your isolation, drop kernel capabilities, and why KVM might be the safer bet for critical Norwegian workloads.
Stop relying on manual checklists for server security. Learn how to automate compliance with Puppet and shell scripting to satisfy Datatilsynet requirements while keeping your sanity intact.
A pragmatic guide for CTOs on navigating EU Directive 95/46/EC and the Norwegian Personal Data Act using Puppet, IPTables, and KVM isolation in 2013.
It is late 2012. The days of MyISAM table locking should be behind us. We benchmark the new PostgreSQL 9.2 against the ubiquitous MySQL 5.5 to see which database engine deserves to power your Norwegian mission-critical infrastructure.
Is your Apache server choking on RAM? We benchmark the industry standard against the lightweight contender, Lighttpd, to see which web server architecture handles the Nordic traffic spikes of 2012 without swapping to disk.
Client-side analytics miss up to 20% of your traffic. Learn how to configure AWStats on CentOS 6 and Debian to capture the raw truth of your server's performance, while keeping data compliant with Norwegian regulations.
Stop letting slow clients starve your backend. We dissect a production-ready Nginx reverse proxy configuration specifically tuned for handling C10k loads on Norwegian infrastructure.
Apache is choking on concurrent connections? Learn how to deploy Nginx as a high-performance reverse proxy to offload static assets and reduce backend latency on your VPS.
A battle-tested guide to securing your CentOS 6 and Debian 6 servers. From iptables to SSH keys, learn how to protect your infrastructure against rising botnets while leveraging Norwegian privacy standards.
Stop letting noisy neighbors destroy your load times. We dissect the architectural differences between Shared Hosting and VPS, focusing on kernel isolation, I/O latency, and why 2012 is the year you must switch to SSD storage.
A raw look at the pros and cons of OpenVZ virtualization in the 2012 hosting landscape. We analyze why 'burstable RAM' might be killing your MySQL performance and when you should demand KVM.
Stop relying on slow, insecure US-hosted repositories. Learn how to deploy a high-performance, self-hosted Git server using Gitolite on a Norwegian VPS for maximum speed and data sovereignty.
It is 2012, and the 'noisy neighbor' problem is killing your uptime. We dissect why Kernel-based Virtual Machine (KVM) beats OpenVZ for serious infrastructure, how to tune VirtIO drivers, and why keeping your data in Norway matters for the Data Inspectorate.