Update cheatsheets

tldr/linux/tuned-adm

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# tuned-adm
+
+> Manage and optimize system performance tuning profiles on Linux.
+> More information: <https://tuned-project.org>.
+
+- List available profiles:
+
+`tuned-adm list`
+
+- Show the currently active profile:
+
+`tuned-adm active`
+
+- Set a specific tuning profile:
+
+`tuned-adm profile {{profile_name}}`
+
+- Recommend a suitable profile based on the current system:
+
+`tuned-adm recommend`
+
+- Disable tuning:
+
+`tuned-adm off`