Update cheatsheets

linux/guix-package

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# guix package
+
+> Install, upgrade and remove Guix packages, or rollback to previous configurations.
+> More information: <https://guix.gnu.org/manual/html_node/Invoking-guix-package.html>.
+
+- Install a new package:
+
+`guix package -i {{package}}`
+
+- Remove a package:
+
+`guix package -r {{package}}`
+
+- Search the package database for a regular expression:
+
+`guix package -s "{{search_pattern}}"`
+
+- List installed packages:
+
+`guix package -I`
+
+- List generations:
+
+`guix package -l`
+
+- Roll back to the previous generation:
+
+`guix package --roll-back`