All articles tagged with "Sysadmin"
Stop blaming the firewall. We dissect the Kubernetes network stack, from eBPF optimizations to avoiding VXLAN overhead, specifically tailored for high-compliance Nordic infrastructure.
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 blaming your backend. This guide covers kernel-level optimizations, NGINX/Kong tuning, and hardware selection to slash API latency, written for high-throughput environments in 2025.
PCIe Gen5 storage isn't just faster—it exposes weak CPU architectures. We analyze 14GB/s throughputs, kernel interrupt tuning, and why standard VPS providers in Norway can't handle the heat.
Hyperscale cloud bills are bleeding Norwegian tech companies dry. A pragmatic guide to moving stable workloads back to high-performance VPS, optimizing kernel parameters for efficiency, and leveraging local data sovereignty to reduce costs.
Default configurations are the enemy of performance. In this deep technical guide, we dissect kernel parameters, NGINX upstream optimizations, and the hardware realities required to keep your API Gateway latency under 10ms in 2024.
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.
A battle-hardened guide to debugging and optimizing K8s networking in 2024. We cover CNI selection, kernel tuning, and why NVMe storage prevents etcd latency spikes in Oslo-based clusters.
Backups are useless if your Restore Time Objective (RTO) is three days. Learn how to architect a compliant, low-latency Disaster Recovery plan using KVM, WireGuard, and Norwegian infrastructure.
A battle-hardened guide to debugging Kubernetes networking issues, optimizing CNI performance with eBPF, and configuring bare-metal-like routing on CoolVDS infrastructure in Norway.
Root in a container is root on the host. We break down actionable strategies to lock down your container supply chain, runtime configs, and infrastructure for Norwegian production environments.
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.
Stop blaming your backend code for latency. In 2018, the bottleneck is your kernel configuration and your hypervisor. A battle-hardened guide to tuning NGINX and Kong for high-throughput environments in Norway.
It’s 3 AM. Nagios says everything is OK. Your customers say the site is down. Here is how to fix your broken monitoring strategy using Graphite, Logstash, and proper infrastructure.
Is your server actually working, or just responding to ping? In the wake of Black Friday 2014, we analyze why traditional monitoring fails and how to build a deep introspection stack using Logstash, Graphite, and pure KVM performance.
Is your REST API choking under load? We dive deep into Nginx tuning, kernel optimizations, and why infrastructure choice defines your latency floor in 2014.
2014 has been brutal for sysadmins. From Heartbleed to Shellshock, manual patching is no longer an option. Learn how to automate compliance with Datatilsynet regulations and harden your Norwegian VPS infrastructure using Ansible.
A battle-hardened guide to optimizing Nginx as an API Gateway on CentOS 7. We dive deep into kernel tuning, SSL termination, and why hardware selection matters for Nordic traffic in 2014.
In late 2014, mobile latency is the silent killer of user retention. This guide dissects kernel-level tuning, Nginx reverse proxy configurations, and why SSD-backed KVM infrastructure is mandatory for high-performance APIs targeting the Nordic market.
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.
Is your API infrastructure ready for the holiday traffic spikes? We dive deep into kernel-level tuning, Nginx optimization, and the critical importance of I/O throughput in a post-Snowden data sovereignty landscape.
Don't let connection overhead kill your API performance. A deep dive into Nginx worker tuning, Linux TCP stack optimization, and why IOPS matter for Norwegian developers.
Stop relying on basic ping checks. In this deep dive, we explore how to build a scalable monitoring stack using Zabbix 2.4 and Graphite on high-performance KVM architecture, specifically tailored for the Norwegian market's latency and compliance demands.
Docker is changing deployment, but shared kernels pose risks. Learn how to lock down containers using Cgroups, Capabilities, and KVM isolation on trusted Norwegian infrastructure.
Stop blaming your code for slow API responses. A battle-hardened guide to kernel tuning, Nginx optimization, and why hardware isolation matters for high-load systems in Norway.
Stop running containers manually. A battle-hardened guide to orchestrating Docker 1.3 with Fig and Ansible on KVM infrastructure in Norway.
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.
Latency is the silent killer of user experience. We explore how to deploy distributed caching nodes using Varnish 4.0 and Nginx in Oslo to subvert physical distance, specifically tailored for the stringent requirements of the Norwegian infrastructure.
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.