Update cheatsheets

tldr/linux/apachectl

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# apachectl
+
+> Control an Apache HTTP server.
+> More information: <https://manned.org/apachectl>.
+
+- Start the server:
+
+`sudo apachectl start`
+
+- Restart the server:
+
+`sudo apachectl restart`
+
+- Stop the server:
+
+`sudo apachectl stop`
+
+- Test configuration file validity:
+
+`apachectl configtest`
+
+- Check server status (requires the lynx browser):
+
+`apachectl status`
+
+- Reload configuration without dropping connections:
+
+`sudo apachectl graceful`
+
+- Print full Apache configuration:
+
+`apachectl -S`