PUBLIC MARKS from woody3k with tag web

Failover clusters are used to ensure high availability of system services and applications even through crashes, hardware failures, and environmental mishaps. In this article, I'll show you how to implement a rock-solid two-node high availability Apache cluster with the heartbeat application from The High-Availability Linux Project. I tested the cluster on Fedora Core 5, CentOS 4.3, and Ubuntu 6.06.1 LTS server distributions.

Ruby code for generating Atom and RSS2 feeds

I use the following bit of CSS to help visualize the structure of an XHTML (or HTML) document by putting a colored outline around the border of every element. At each level in the hierarchy the color changes so you can see when “depth” changes.

Flowcharts, UI Wireframes, Floor plans, Network diagrams

Online productivity tools - Word Processor, Spreadsheet, Presentation, Planner, Web App Creator, Virtual Office, Chat.

Web server setup - good points on general apache setup, as well as a great rails environment

You can benchmark Apache, IIS and other web server with apache benchmarking tool called ab.

Examine how to determine the root cause of Web performance problems. Without proper measurement, how do you know whether your Web application is performing well? By using open source tools such as the RRDtool, you can graph the key performance measurements of any Web application, use these graphs to determine the impact of changes in the environment, or point to changes that need addressing.

Httperf is a tool for measuring web server performance. It provides a flexible facility for generating various HTTP workloads and for measuring server performance. The three distinguishing characteristics of httperf are its robustness, which includes the ability to generate and sustain server overload, support for the HTTP/1.1 and SSL protocols, and its extensibility to new workload generators and performance measurements.

The ZoomIn Mapping System brings dynamic mapping to your website. Our map technology enables you to pan, zoom and click into map data without reloading the web page. The system also allows you to easily place custom graphical markers and text on the maps.

With Banshee you can easily import, manage, and play selections from your music collection. Banshee allows you to import CDs, sync your music collection to an iPod, play music directly from an iPod, create playlists with songs from your library, and create audio and MP3 CDs from subsets of your library.

BASE is the Basic Analysis and Security Engine. It is based on the code from the Analysis Console for Intrusion Databases (ACID) project. This application provides a web front-end to query and analyze the alerts coming from a SNORT IDS system.

Run many different external tests on web pages

Simple tutorial to build an AJAX Digg Spy-like feature for your website. Covers everything from Prototype, Scriptaculous, and basic javsacript to fetch XML and leverage Fade Effects. Includes pretty good instructions and source code.