Im running a production ISPConfig Server version 2.2.6 on Ubuntu 6.06 LTS, can I upgrade the ISPCOnfig version directly to tje latest version or I need to upgrade is per version steps?? Thanks for the help.
Yes, an update from your version to the latest stable version is possible. For update instructions, have a look here: http://www.howtoforge.com/forums/ showthread.php?t=15107&highlight=2.2.16+released