Gentoo Prefix Manager
Open terminalThese are pre-filled for this system — you can leave them as-is. Add or remove flags per group if you know what you want; force-disable common flags below; drop anything exotic into Custom. The composed USE= line previews live.
Core library features. The pre-selected set is a safe headless baseline (encryption, compression, networking).
Graphical desktop support. Left empty on a headless server — only pick these if this machine has a screen.
Audio/video and image codecs. Usually empty on a server.
Which Python versions packages build for. Defaulted to the version detected on this machine.
CPU instruction sets for faster builds. Auto-detected from this machine's /proc/cpuinfo — leave as-is.
GPU drivers to build. Empty unless this machine has a graphics card you'll use.
make.conf
for a registered install. It is generated from the USE flags you saved
on the Install tab — USE_EXPAND groups become their own variables.
Non-destructive readiness check — run it before a bootstrap.
Drive the build yourself on this domain's terminal — the same script the Start button runs, so output also streams to the log below.