Logcheck uses run-parts, which seems to be a part of sys-apps/debianutils, which was, until recently, pulled in on pretty much any system (due to the dependency from app-misc/ca-certificates). The package should thus either depend on debianutils or get rid of run-parts like ca-certificates in https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6e6ccafd58bc7401fa371d2f255d72ddae0131e6 Error message from app-admin/logcheck/logcheck-1.4.3-r2: > /usr/sbin/logcheck: line 240: run-parts: command not found