Portage Advanced Usage
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This article lists some neat things you can do with Portage/emerge.
/etc/portage directory
This directory contains important configuration files for Portage.
- package.keywords lets you add keywords for individual packages.
- package.use lets you add local USE flags for certain packages. To add/remove certain languages, you can use expanded USE flags:
USE="linguas_en -linguas_fr"
- Note that on these two files, each line must contain only the package name and the options. Don't add any comment (comments must use a whole line) after the package name and options.
Portage world file
It is located in /var/lib/portage/world.
emerge options
- --newuse will recompile packages that had their USE flags changed.
- --depclean will attempt to remove packages that are no longer needed as dependencies.
Gentoolkit
- equery files ebuild_name will list all the files installed by the specified ebuild.