Update cheatsheets

tldr/linux/bootc

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bootc
+
+> Boot and upgrade via container images.
+> Manages transactional, in-place operating system updates using OCI/Docker container images.
+> More information: <https://containers.github.io/bootc/>.
+
+- Show deployments in the order they will appear in the bootloader:
+
+`bootc status`
+
+- Check if any updates are available:
+
+`bootc upgrade --check`
+
+- Prepare a new update and reboot into it:
+
+`bootc upgrade --apply`
+
+- Change OS base to new container image:
+
+`bootc switch {{image}}`
+
+- Reboot into the previous ostree deployment:
+
+`bootc rollback`

tldr/linux/flatpak-mask

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# flatpak mask
+
+> Mask out updates and automatic installation.
+> More information: <https://docs.flatpak.org/en/latest/flatpak-command-reference.html#flatpak-mask>.
+
+- Ignore updates for a specific flatpak:
+
+`flatpak mask {{com.example.app}}`
+
+- Undo ignore updates:
+
+`flatpak mask --remove {{com.example.app}}`
+
+- List all currently masked patterns:
+
+`flatpak mask {{--system|--user}}`

tldr/linux/flatpak-remote-info

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# flatpak remote-info
+
+> Show information about an application or runtime in a remote.
+> More information: <https://docs.flatpak.org/en/latest/flatpak-command-reference.html#flatpak-remote-info>.
+
+- Show information about a flatpak:
+
+`flatpak remote-info {{remote_name}} {{com.example.app}}`
+
+- Show a log of previous versions in a remote:
+
+`flatpak remote-info --log {{remote_name}} {{com.example.app}}`
+
+- Show information about the specific commit, rather than the latest version:
+
+`flatpak remote-info --commit={{COMMIT}} {{remote_name}} {{com.example.app}}`

tldr/linux/flatpak-update

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# flatpak update
+
+> Update flatpak applications and runtimes.
+> More information: <https://docs.flatpak.org/en/latest/flatpak-command-reference.html#flatpak-update>.
+
+- Update all installed applications and runtimes (use `-y` to confirm all prompts automatically):
+
+`flatpak update`
+
+- Update only a specific app:
+
+`flatpak update {{com.example.app}}`
+
+- Update/Downgrade to a specific commit (also see flatpak remote-info and flatpak mask):
+
+`flatpak update --commit={{COMMIT}} {{com.example.app}}`