Gentoo has x2goserver ebuilds in the main tree, which is the recommended place to start. If you're an experienced gentoo user & feeling adventurous, you can also check out the experimental nx overlay to see if it has newer versions http://overlays.gentoo.org/proj/nx/wiki/Overlay_HOWTO

Latest version in main tree 2011-03-15: net-misc/x2goserver-3.0.1.5-r1

Check your USE flags pertaining to x2goserver

emerge -pv net-misc/x2goserver

The most basic install can be done with USE=“sqlite -fuse -postgres”, which disables fuse-based file sharing and uses sqlite for the session database.

If you need to change USE flags, use the normal mechanisms of editing /etc/make.conf or /etc/portage/package.use http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=2&chap=2

Simple enough…

emerge net-misc/x2goserver

Note: as of 2011-03-15 there is a missing dependency on media-fonts/font-cursor-misc, so if you don't see media-fonts/font-cursor-misc installed after emerging x2goserver, then install it manually

emerge media-fonts/font-cursor-misc

Remember to check log messages after the emerge, because there are important configuration details still to be handled (you do have PORTAGE_ELOG_SYSTEM and PORTAGE_ELOG_CLASSES set, right? http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=3&chap=1#doc_chap4 )

At this time, there are 2 tasks that must be done manually

* initialize the sqlite database

/usr/share/x2go/script/x2gosqlite.sh

* configure sudo so that users who should be able to start x2go sesssions can run /usr/bin/x2gopgwrapper

For instance, the log message suggests adding following line to /etc/sudoers
%users ALL=(ALL) NOPASSWD: /usr/bin/x2gopgwrapper