All articles tagged with CentOS
Synchronous code is the enemy of scale. Learn how to implement RabbitMQ to offload heavy tasks, why 'ulimit' matters, and why your message broker needs the low latency of a Norwegian VDS.
Bash loops are dangerous and Puppet is bloatware. Discover why Ansible's agentless architecture is the superior choice for managing KVM infrastructure in Norway.
Still dragging files via FileZilla? It's time to professionalize your workflow. Learn how to set up Git post-receive hooks for instant, atomic deployments on a Norwegian VPS.
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.
It's 2011 and LulzSec is on the loose. Default configurations are a death sentence. Here is the battle-tested guide to locking down CentOS 6 and Debian Squeeze.
IANA officially ran out of IPv4 blocks in February. If you aren't dual-stacking now, your infrastructure is already obsolete. Here is the raw, terminal-level guide to deploying IPv6 without breaking your uptime.
Downtime is not an option. Learn how to architect a high-availability stack using DRBD, Heartbeat, and Nginx to keep your Norwegian services online when traffic spikes.
Your server load is spiking, but you don't know why. Learn how to wield `tail`, `awk`, and Apache logs to debug issues instantly, and why high I/O storage matters for logging.
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.
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.
File-based sessions are a concurrency bottleneck. We analyze why the emerging Redis project is superior to Memcached for session handling on high-load LEMP stacks.
Stop losing code to Subversion merge conflicts. Learn how to deploy a secure, high-performance Git server using Gitosis on CoolVDS to sync your Oslo and Kyiv teams.
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 server actually online? Stop guessing. We detail the battle-tested configuration of Nagios for alerting and Munin for trending on high-performance Linux VPS environments.
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 Apache server choking on traffic? Learn how to implement software-based load balancing using HAProxy 1.3 to distribute load, increase uptime, and handle traffic spikes without buying expensive F5 hardware.
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.
Stop wrestling with Sendmail. This battle-tested guide covers a production-ready Postfix setup on CentOS 5, including SASL auth, TLS encryption, and RBL defense strategies.
Client-side trackers lie. Real sysadmins use raw logs. A deep dive into configuring AWStats on Apache, handling log rotation, and why Disk I/O matters.
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.
Is Apache eating all your RAM? Discover how to compile PHP 5.2.10 with the PHP-FPM patch and pair it with Nginx to survive the Slashdot effect. A guide for serious SysAdmins.
Is your Apache server ready for a massive traffic spike? Learn how to implement HAProxy 1.3 for robust load balancing, reduce downtime, and why hardware isolation matters for Norwegian businesses.
Still using plain FTP? You are broadcasting passwords in cleartext. Here is how to lock down your server using SFTP and OpenSSH chroots on CentOS 5 and Debian Lenny.
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.
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.
Stop relying on 'security through obscurity'. Learn to deploy a hardened OpenVPN endpoint on CentOS 5, manage TUN/TAP interfaces correctly, and secure your Oslo-Kyiv data pipeline against snooping.
Sending passwords in cleartext is professional suicide. With the recent Gumblar exploits targeting FTP, we detail how to lock down your Norwegian VPS using OpenSSH's chroot features.
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.