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.
A deep dive into the MySQL 5.5 vs PostgreSQL 9.1 debate for Norwegian systems architects. We analyze ACID compliance, replication lag, and why SSD storage is critical for database performance.
Is your VPS swapping due to heavy Apache processes? Discover how to cut memory usage by 40% and handle higher concurrency by switching to PHP-FPM and Nginx, with specific tuning for the Norwegian market.
Is Apache mod_php eating your RAM for breakfast? It is time to modernize your stack. We dive deep into Nginx, PHP-FPM process management, and APC caching to handle thousands of concurrent connections without crashing your server.
Stop flying blind. Learn how to configure Munin for trend analysis and Nagios for instant alerting to secure your Norwegian VPS infrastructure against downtime.
Stop landing in the spam folder. A battle-hardened guide to configuring Postfix with SPF, DKIM, and proper PTR records on a dedicated IP. Learn why generic shared hosting kills your deliverability.
Public Wi-Fi is a minefield and US-hosted VPNs are a privacy nightmare. Learn how to deploy a hardened OpenVPN server on a Norwegian VPS to secure your traffic under strict Datatilsynet standards.
Secure your data against sniffing on public networks. A complete guide to deploying OpenVPN with 2048-bit encryption on a Norwegian VPS, using iptables and standard PKI management.
It is 2012. Hardware is cheap, but your time is not. Discover why shared kernels are destroying your database performance and why KVM virtualization on local Norwegian infrastructure is the only professional path forward.
Traffic spikes shouldn't result in 503 errors. We dissect HAProxy 1.4 configuration, connection limits, and why raw I/O speed matters when building high-availability clusters in Norway.
Client-side tracking misses 20% of your traffic. Learn how to configure AWStats for granular, server-side analytics on CentOS and Debian, ensuring compliance with Norwegian privacy laws while optimizing I/O performance.
Is your Apache server thrashing swap? We dive deep into the MPM Prefork vs. Lighttpd's event-driven architecture to save your RAM and lower TCO.
Default installations are dangerous. From securing SSH to configuring iptables and Fail2Ban, here is the battle-tested guide to hardening your Linux VPS against brute-force attacks and exploits.
RAID is not a backup. Learn how to script robust, automated off-site backups using rsync, mysqldump, and GPG to comply with Norwegian data laws and survive catastrophic failure.
Hit the limit of vertical scaling? Learn how to deploy a battle-hardened HAProxy 1.4 load balancer to distribute traffic across multiple CoolVDS nodes, ensuring zero downtime for your Norwegian mission-critical applications.
With the release of Firesheep, open Wi-Fi is no longer safe. Learn how to deploy a hardened OpenVPN tunnel on a CoolVDS CentOS 5 VPS, configure IPTables masquerading, and secure your traffic against packet sniffers.
Is your single Apache server choking on traffic? Learn how to architect a bulletproof load balancing layer using HAProxy 1.4 and Keepalived. We dive deep into configuration, kernel tuning, and why low-latency infrastructure in Norway matters.
Stop relying on burstable RAM. This deep dive into Xen paravirtualization covers kernel tuning, dom0 isolation, and why hardware-backed isolation is the only way to guarantee stability for high-load clusters in Norway.
Public Wi-Fi is a minefield. Secure your connection and mask your origin by deploying a hardened OpenVPN server on a Norwegian VPS. We cover the full easy-rsa implementation and iptables routing.
The default Linux installation is not secure. From locking down SSH to configuring iptables, here is the battle-tested guide to securing your VPS against the rising tide of automated botnets targeting European infrastructure.
With the Oracle acquisition of Sun looming, is it time to switch? We benchmark MySQL 5.1 against PostgreSQL 8.4, dissect MyISAM vs InnoDB performance, and explain why hardware virtualization matters for database integrity.
Secure your team's communications against sniffing and interception. A battle-hardened guide to deploying OpenVPN 2.1 on Linux, managing PKI with easy-rsa, and configuring iptables for secure routing in the Norwegian hosting landscape.