# eix > Utilities for searching local Gentoo packages. > Update local package cache using `eix-update`. - Search for a package: `eix {{package_name}}` - Search for installed packages: `eix --installed {{package_name}}` - Seach in package descriptions: `eix --description "{{description}}"` - Seach by package license: `eix --license {{license}}` - Exclude results from search: `eix --not --license {{license}}`