Update cheatsheets

tldr/linux/systemctl-try-reload-or-restart

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemctl try-reload-or-restart
+
+> Reload one or more units if they support it; otherwise restart them.
+> More information: <https://www.freedesktop.org/software/systemd/man/latest/systemctl.html#try-reload-or-restart%20PATTERN%E2%80%A6>.
+
+- Reload or restart a specific unit:
+
+`systemctl try-reload-or-restart {{unit}}`
+
+- Reload or restart multiple units:
+
+`systemctl try-reload-or-restart {{unit1 unit2 ...}}`
+
+- Reload or restart all units matching a pattern:
+
+`systemctl try-reload-or-restart '{{pattern}}'`