*app-admin/eclean-kernel
*app-admin/eselect
*app-admin/logrotate
*app-admin/sst-gentoo-tools
*app-admin/sst-syslog-ng-configuration
*app-admin/sudo
*app-admin/syslog-ng
*app-arch/lz4
*app-arch/unzip
*app-arch/zip
*app-backup/onlinebackup
*app-editors/vim
*app-eselect/eselect-repository
*app-misc/screen
*app-misc/tmux
*app-portage/eix
*app-portage/gentoolkit
*app-portage/portage-utils
*app-shells/bash-completion
*dev-util/strace
*net-analyzer/iftop
*net-analyzer/zabbix
*net-dns/bind-tools
*sys-apps/iproute2
*sys-boot/grub
*sys-fs/lvm2
*sys-fs/xfsprogs
*sys-power/acpid
*sys-process/dcron
*sys-process/iotop
*sys-process/lsof