How to add this repo using layman ================================= sudo layman -f -o https://git.backbone.ws/kolan/Overlay/raw/branch/master/layman.xml -a backbone (via app-eselect/eselect-repository app-portage/gentoolkit) sudo eselect repository add backbone git https://github.com/backbone/Overlay.git sudo emaint sync -r backbone (app-portage/gentoolkit) backbone.conf useful if your using a docker-gentoo builder or lxc/other containers etc. layman or app-eselect/eselect-repository not required sudo emaint sync -r backbone (app-portage/gentoolkit) and done. Using Backbone's Profiles ========================= Default Desktop/Laptop Profile ------------------------------ /etc/portage/make.profile/parent: /var/portage/portage/profiles/default/linux/amd64/13.0 /var/portage/layman/backbone/profiles/desktop Extreme Desktop/Laptop Profile -------------------------------------------------------- Warning! Using this profile is unsafe as it could lead to undefined behaviour of several packages! Not all packages are ready for the profile. Look at profiles/extreme/profile.bashrc for the exclusions I've added. /etc/portage/make.profile/parent: /var/portage/portage/profiles/default/linux/amd64/13.0 /var/portage/layman/backbone/profiles/extreme Hardened Server Profile ------------------------------ /etc/portage/make.profile/parent: /var/portage/portage/profiles/hardened/linux/amd64/no-multilib /var/portage/layman/backbone/profiles/server Repositories Priorities ======================= My /etc/portage/repos.conf/gentoo.conf: [DEFAULT] main-repo = gentoo [gentoo] sync-type = git priority = -1000 [local_overlay] priority = -999 [backbone] priority = -999 Remarks ======= For Desktops/Laptops I'm using backbone-sources: https://git.backbone.ws/kolan/backbone-sources. For Gentoo/Kernel Upgrading I'm using app-admin/gentoo-upgrade package scripts. For the whole system rebuild I recommend app-portage/ewo package. For finding cruft files I'm using app-portage/findcruftfiles (do filter output carefully).