Update cheatsheets

linux/flatpak

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# flatpak
+
+> Build, install and run flatpak applications and runtimes.
+> More information: <https://docs.flatpak.org/en/latest/flatpak-command-reference.html#flatpak>.
+
+- Run an installed application:
+
+`flatpak run {{name}}`
+
+- Install an application from a remote source:
+
+`flatpak install {{remote}} {{name}}`
+
+- List installed applications, ignoring runtimes:
+
+`flatpak list --app`
+
+- Update all installed applications and runtimes:
+
+`flatpak update`
+
+- Add a remote source:
+
+`flatpak remote-add --if-not-exists {{remote_name}} {{remote_url}}`
+
+- Remove an installed application:
+
+`flatpak remove {{name}}`
+
+- Remove all unused applications:
+
+`flatpak remove --unused`
+
+- Show information about an installed application:
+
+`flatpak info {{name}}`