Update cheatsheets

linux/setxkbmap

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# setxkbmap
+
+> Set the keyboard using the X Keyboard Extension.
+> More information: <https://manned.org/setxkbmap>.
+
+- Set the keyboard in French AZERTY:
+
+`setxkbmap {{fr}}`
+
+- Set multiple keyboard layouts, their variants and switching option:
+
+`setxkbmap -layout {{us,de}} -variant {{,qwerty}} -option {{'grp:alt_caps_toggle'}}`
+
+- Get help:
+
+`setxkbmap -help`
+
+- List all layouts:
+
+`localectl list-x11-keymap-layouts`
+
+- List variants for the layout:
+
+`localectl list-x11-keymap-variants {{de}}`
+
+- List available switching options:
+
+`localectl list-x11-keymap-options | grep grp:`