All articles tagged with centos 5
It is 2009, and the internet is the Wild West. If you leave your SSH port default on a public IP, you’ll be brute-forced within minutes. Here is the no-nonsense guide to locking down your CentOS 5 or Debian Lenny server.
OpenVZ and shared hosting are failing your high-load applications. Discover why Xen PV is the 2009 standard for true hardware isolation, guaranteed RAM, and stable performance in the Nordic market.
With the Oracle-Sun acquisition looming, the database landscape in 2009 is shifting. We benchmark MySQL 5.1 against the newly released PostgreSQL 8.4 to help you decide.
Raw logs don't lie, but they are impossible to read during a traffic spike. Learn how to deploy AWStats for real-time visualization without killing your server's I/O, and why storage speed is the bottleneck you aren't watching.
Don't let script kiddies compromise your RHEL or Debian box. From SSH keys to iptables, here is the battle-tested guide to securing your VPS in the Norwegian hosting landscape.
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.
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.
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 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.
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.
Public Wi-Fi is a minefield for packet sniffers. Learn how to deploy a secure OpenVPN server in Norway using 2048-bit RSA keys and Xen virtualization to protect your traffic.
When your single Apache server hits MaxClients, your business stops. Learn how to deploy HAProxy 1.3 to distribute load, maintain session persistence, and keep your Norwegian VPS online.
Stop letting shared hosting IPs blacklist your business. We break down a battle-tested Postfix/Dovecot setup on CentOS 5 that ensures deliverability and compliance with Norwegian data laws.
Is Apache eating your RAM? Stop scaling vertically. Learn how to deploy Nginx 0.7 as a reverse proxy to handle thousands of concurrent connections while cutting server load in half.
Public Wi-Fi is a security nightmare. Learn how to deploy a hardened OpenVPN server on CentOS 5 to secure your remote connections using 2048-bit RSA encryption.
Is your VPS randomly killing MySQL processes? In 2009, the hosting market is flooded with oversold OpenVZ containers. We dive deep into /proc/user_beancounters, kernel limits, and why hardware virtualization (Xen/KVM) is the only safe bet for Norwegian businesses.
Is OpenVZ right for your production stack? We analyze the technical trade-offs of container-based virtualization, from 'user_beancounters' to kernel sharing, and why disk I/O matters more than CPU.
Stop guessing why your server crashed at 3 AM. We break down the ultimate 2009 monitoring stack: Nagios for critical alerts and Munin for performance trending. Essential for every serious sysadmin.
Public Wi-Fi is a minefield. Secure your traffic by building a robust OpenVPN gateway. We cover the specific config flags, routing, and why kernel-level control on CoolVDS matters for encryption.
Is your single Apache server ready for a traffic spike? Learn how to deploy HAProxy 1.3 for enterprise-grade load balancing on CoolVDS without the $20,000 hardware price tag.
Default installations are honey pots for script kiddies. Learn the battle-tested iptables rules and SSH configs that keep your Norway VPS secure while others get rooted.
Public Wi-Fi is a minefield. Secure your connection with a custom OpenVPN implementation. We cover TUN/TAP bridging, 2048-bit RSA keys, and iptables routing on a dedicated Norwegian VPS.
Public Wi-Fi is a security minefield. Learn how to deploy a robust OpenVPN server on Linux to encrypt your traffic, bypass restrictions, and secure your data under Norwegian privacy laws.
Sending passwords in cleartext is professional negligence. Learn how to implement secure, chrooted SFTP on your servers using OpenSSH 5, ensuring compliance with Norwegian data laws without sacrificing speed.
RAID is not a backup. Stop relying on manual FTP transfers and learn to build bulletproof automated backup rotation using Bash, rsync, and MySQL dumps on Linux.