Create Custom URL Shortener For WordPress Based Blog In a Five Minutes

Posted on in Categories Apache, lighttpd, php last updated May 3, 2012

You can create URL redirection service for your blog within five minutes using nothing but web server’s mod_redirect module. For example, when you type or share a url io9.in/t/5159 you will be automatically redirected to http://www.cyberciti.biz/tips/my-10-unix-command-line-mistakes.html. In this quick post I will explain how to create url shortener and integrate your wordpress based blog without installing any new scripts.

HowTo: Debug Crashed Linux Application Core Files Like A Pro

Posted on in Categories Linux, Troubleshooting last updated June 3, 2010

Core dumps are often used to diagnose or debug errors in Linux or UNIX programs. Core dumps can serve as useful debugging aids for sys admins to find out why Application like Lighttpd, Apache, PHP-CGI or any other program crashed. Many vendors and open source project author requests a core file to troubleshoot a program. A core file is generated when an application program abnormally terminates due to bug, operating system security protection schema, or program simply try to write beyond the area of memory it has allocated, and so on. This article explains how to turn on core file support and track down bugs in programs.

Slowloris DoS Tool: It Can Bring Down Apache 1.x/2.x

Posted on in Categories Apache, Networking, News, PF Firewall, RedHat/Fedora Linux, Security Alert, UNIX, Windows server last updated June 19, 2009

Apache Security Update – a flaw In Apache can be used to carry out DoS. Slowloris is a new Apache DoS tool which can use slow Internet links to bring down Apache servers, rather than flooding networks. Most D/DoS tool requires faster net connections but this tool works with minimal bandwidth. This tool can lead to a DoS attack on Apache 1.x, 2.x, dhttpd, GoAhead WebServer, and Squid, while MS IIS6.0, IIS7.0, and lighttpd are confirmed not vulnerable to this attack.

Lighttpd mod_rrdtool: Monitor The Load, Requests Per Seconds and Traffic

Posted on in Categories CentOS, Debian Linux, fedora linux, Hardware, Howto, lighttpd, Linux, Monitoring, RedHat/Fedora Linux, Ubuntu Linux last updated May 23, 2009

The round-robin database tool aims to handle time-series data like network bandwidth, temperatures, CPU load etc. The data gets stored in round-robin database so that system storage footprint remains constant over time. Lighttpd comes with mod_rrdtool to monitor the server load and other details. This is useful for debugging and tuning lighttpd / fastcgi server performance.