These ebuilds come from http://overlays.gentoo.org.
If you have some problems, go to the official site first.
chpwdfile : console based password management application ( http://cpbotha.net/pam_pwdfile )
grsecurity-scripts : grsecurity scripts ( http://dev.gentoo.org/~wschlich/ )
grub-scripts : grub scripts ( http://dev.gentoo.org/~wschlich/ )
mon : highly configurable service monitoring daemon ( http://www.kernel.org/software/mon/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a wschlich-testing
For Paludis use this rsync : rsync://gentoo.zugaina.org/wschlich-testing-portage
If you have a problem : ycarus(-at-)zugaina.org