These ebuilds come from http://overlays.gentoo.org/dev/hollow/wiki.
If you have some problems, go to the official site first.
mod_redirect_canonical : mod_redirect_canonical redirects all server aliases to the canonical server name ( http://benedikt.boehm.name )
mod_ua : mod_ua parses and generates a normalized user agent ( http://benedikt.boehm.name )
mod_visitor : mod_visitor generates and parses tracking cookies for visitor analysis ( http://benedikt.boehm.name )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org