Update cheatsheets

linux/runuser

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# runuser
+
+> Run commands as a user and group without asking for password (needs root privileges).
+> More information: <https://manned.org/runuser>.
+
+- Run command as a different user:
+
+`runuser {{user}} -c '{{command}}'`
+
+- Run command as a different user and group:
+
+`runuser {{user}} -g {{group}} -c '{{command}}'`
+
+- Start a login shell as a specific user:
+
+`runuser {{user}} -l`
+
+- Specify a shell for running instead of the default shell (also works for login):
+
+`runuser {{user}} -s {{/bin/sh}}`
+
+- Preserve the entire environment of root (only if `--login` is not specified):
+
+`runuser {{user}} --preserve-environment -c '{{command}}'`