My preferable methodology: Always KISS (Keep It Simple, Stupid!) I have comprehensive experience as Sysadmin to performing many system deployments specially on GNU/Linux environments. In the last years I have also got several skills developing specially with Python (scripting, general purpose apps and Django).
Working for more +10y with these OSs: Debian, Ubuntu, Gentoo, Solaris, Fedora.
Topics: HA, LVS, LVM2, Streaming, RTMP, Tomcat, Python/Django, Elastic, Salt, monitoring, scripting, PostgreSQL, LAMP, OpenERP, Trac, Redmine, BZR, Git, SVN, iptables, MFS, CouchDB, Amazon EC2, OpenVZ, VServer, KVM ... and many others acronyms. ;-)