EventMachineAlignedPeriodic helps to kick off a block of code on a periodic schedule aligned with a time period. Rather than have something starting at 2 seconds, 17 seconds, 32 seconds and so on you can have it consistently launch at 0, 15, 30.

LayeredYAMLConfig provides a simple config file that supports multiple layers. Values in the right or uppermost layers override values in lower layers. This makes it easy to share configuration without duplication while still allowing what needs to be different to vary. For example: program.default.conf program.server_foo.conf program.site_bar.conf program.conf Optionally, leaf nodes can be evaluated using as ERB templates, feeding the configuration into itself.

Autoinstallation and PXE management for Redhat/CentOS based system deployment.

ThreadedLogger runs a dedicated logging thread around Ruby's Logger library to ensure that multiple threads don't step on each other's toes.