MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability.

BackupPC is a high-performance, enterprise-grade system for backing up to a server's disk.

Contributed stuff for munin (plugins, tools, etc...)

zfs backup with remote capabilities and mbuffer integration.

non-interactive system to install, customize and manage Linux systems

An Ansible playbook for automated deployment of full-stack Plone servers.

A shell linting utility.