All articles tagged with Linux
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.
Is your hosting provider burning cash on cooling? We explore how Norway's hydropower and low PUE reduce costs and improve stability for mission-critical VPS.
Local environments lie. Learn how to build a production-grade development sandbox using KVM, Nginx, and Git hooks that mimics your live server perfectly, ensuring zero surprises at deployment.
RAID is not a backup. Don't let a typo destroy your database. Learn how to set up automated, incremental offsite backups using rsync and cron, ensuring your data stays safe under Norwegian privacy standards.
Is your server load spiking despite low CPU usage? The culprit is likely I/O wait. We break down why 15k RPM SAS drives can't handle modern web apps and how SSD arrays change the math.
Disk latency is the silent killer of web applications. We benchmark Redis vs Memcached, explore the new persistence features in version 2.2, and explain why high-performance VPS hosting in Oslo is critical for Norwegian data handling.
It's 2011. MySQL finally made InnoDB default, and Postgres 9.0 has streaming replication. Which one belongs on your server? We break down the technical trade-offs.
Red Hat Enterprise Linux 6 has shifted the battlefield from Xen to KVM. We analyze the kernel-level differences, I/O scheduling, and why 'containers' like OpenVZ might be killing your database performance.
Is your application choking on 'unlimited' shared hosting? We break down the technical migration to VDS, covering rsync strategies, Xen virtualization, and optimizing I/O for high-load reliability.
Script kiddies and LOIC attacks don't care about your uptime. Learn to harden your Linux stack with iptables, Nginx tuning, and kernel tweaks before the next SYN flood hits.
WordPress 3.0 "Thelonious" has just dropped. It merges MU and brings custom post types, but it demands more than standard shared hosting can give. Here is the 2010 systems architect's guide to sub-second loads using Nginx, APC, and Varnish.
Is your pager buzzing at 3 AM? Stop reacting to downtime and start predicting it. We dive into Nagios 3 configuration, interpreting Linux iowait, and why hardware stability in Oslo matters for your uptime.
Stop script kiddies and botnets cold. We dive deep into stateful packet inspection, fail2ban configurations, and kernel-level security for serious Norwegian deployments.
RAID is not a backup. If you accidentally drop a database table at 3 AM, mirroring just replicates the error instantly. Here is how to architect a fail-safe backup strategy using rsync, automysqlbackup, and Norwegian remote storage.
Is Apache eating your RAM? We benchmark the industry standard against the rising star, Nginx, to see which server handles high concurrency in the Nordic infrastructure.
Is your server swapping during traffic spikes? Apache mod_php might be the culprit. Learn how to implement PHP-FPM and Nginx to handle high concurrency without melting your VPS.
Stop getting blacklisted. Learn how to configure a bulletproof Postfix server on CentOS 5, handle rDNS correctly, and avoid the 'noisy neighbor' spam trap.
Is your VPS actually dedicated? We analyze the technical trade-offs of OpenVZ containers, the infamous 'user_beancounters', and why serious SysAdmins in Norway are moving to hardware virtualization.
Is your database locking up under load? Forget throwing more RAM at the problem. Here is the battle-tested my.cnf configuration to handle high concurrency on Norwegian infrastructure.
Stop gambling with oversold containers. Learn how Xen Paravirtualization (PV) delivers guaranteed RAM, stable I/O, and why it remains the superior choice for mission-critical hosting in 2009.
Is your Apache server choking on RAM during traffic spikes? Learn how to deploy Nginx 0.7 as a front-end reverse proxy to handle thousands of concurrent connections on your CoolVDS instance.
It is not a matter of if, but when a botnet scans your IP. From configuring iptables to securing SSH, here is how we lock down CentOS and Debian servers to comply with Datatilsynet standards.
Default CentOS installs are a security nightmare. Learn the essential iptables rules, SSH hardening techniques, and kernel tweaks required to survive the hostile internet of 2009. Don't let a brute-force botnet turn your server into a zombie.
Is mod_php eating your RAM? Learn how to implement the PHP-FPM patch with Nginx to handle high concurrency without melting your server. A 2009 guide to high-performance VPS tuning.
Stop gambling with oversold resources. We analyze the Xen hypervisor architecture (Dom0 vs DomU), Paravirtualization performance, and why serious Systems Administrators in Norway are ditching containers for true hardware isolation.
As we approach 2010, the "Cloud" buzzword is shifting IT budgets. We analyze why moving from physical SANs to VDS-based storage improves TCO and I/O performance in Norway.
A default Linux install is a sitting duck. From iptables configuration to securing SSH, here is how we harden CentOS and Debian servers against brute-force attacks and script kiddies.
Tired of 'noisy neighbors' killing your database performance? We break down why KVM virtualization on Linux 2.6 is superior to container-based legacy systems, and how to tune I/O schedulers for maximum throughput.
Is Apache choking your server's memory? We benchmark Apache Prefork against Lighttpd's event-driven architecture to see which web server rules the 2009 hosting landscape.
Stop your emails from hitting the spam folder. A battle-hardened guide to configuring Postfix in 2009, ensuring clean headers, proper rDNS, and compliance with Norwegian data laws.