logstash is a tool for managing events and logs. You can use it to collect logs, parse them, and store them for later use (like, for searching). Speaking of searching, logstash comes with a web interface for searching and drilling into all of your logs.

Syslog-ng-3.1.2 log signing mechanism for syslog-ng version 3.1.2 stamping the log entries of syslog-ng log files in a hash chain logic by utilizing Message Authentication Codes. This method provides a way of performing integrity checks on log files suitable for forensic investigations.

Used in conjunction, NginX and Node.JS are the perfect partnership for high-throughput web applications. They’re both built using event-driven design principles and are able to scale to levels far beyond the classic C10K limitations afflicting standard web servers such as Apache. Out-of-the-box configuration will get you pretty far, but when you need to start serving upwards of thousands of requests per second on commodity hardware, there’s some extra tweaking you must perform to squeeze every ounce of performance out of your servers.

OpenStack Folsom Install Guide is an easy and tested way to create your own OpenStack plateform.

Version 3.0

Status: stable

Memcached is a great tool for speeding up your database access. A “stats” command returns usage statistics but few documentation is available on what’s returned.