All articles tagged with sysadmin
MySQL LIKE queries are destroying your load times. Here is how to deploy Elasticsearch 0.90 properly on a Norwegian KVM VPS without blowing up the JVM heap or hitting I/O bottlenecks.
Bash loops are dangerous and Puppet is bloatware. Discover why Ansible's agentless architecture is the superior choice for managing KVM infrastructure in Norway.
Is 'Integration Hell' eating your deployment window? Learn how to tune Jenkins on KVM infrastructure for reliable builds. We cover I/O bottlenecks, JVM heap tuning, and why local storage matters for Norwegian dev teams.
Stop throwing code over the wall. In 2013, the divide between Dev and Ops is costing you money and sleep. Here is how to fix it with Puppet, culture, and KVM.
Is your Magento store ready for the holiday rush? We break down the Nginx, Varnish, and SSD tuning strategies needed to keep load averages low when traffic hits.
Relational databases are hitting a wall. Learn why MongoDB 2.0's document model is the future for agile development and why typical shared hosting kills NoSQL performance.
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.
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.
Is your single Apache instance choking on traffic? We break down proven load balancing techniques from Round Robin to HAProxy, tailored for Norwegian latency requirements.
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.
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.
Is your Apache server choking on max_clients? We analyze the shift to Nginx, the necessity of SSDs over SAS 15k, and why keeping data in Oslo matters for latency and Datatilsynet compliance.
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.
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 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.
Stop script kiddies and botnets cold. We dive deep into stateful packet inspection, fail2ban configurations, and kernel-level security for serious Norwegian deployments.
Packet sniffers are getting smarter. Here is how to implement 2048-bit RSA encryption on Apache and Nginx without killing your server's CPU load averages.
DNS is the single most overlooked bottleneck in Norwegian hosting. Learn how to configure BIND 9 for speed, navigate Norid regulations, and why your nameserver location defines your performance.
In 2009, using plain FTP is professional negligence. We analyze the packet-level risks, configuration nuances on CentOS 5, and why SFTP is the only compliant choice for Norwegian data standards.
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 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.
Still storing sessions in /tmp? You're bottlenecking your application. We explore why the new 'Redis' project is the persistent, high-speed alternative to Memcached that European systems architects have been waiting for.
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 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.
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.