Update cheatsheets

osx/route

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+---
+syntax: markdown
+tags: [tldr, osx]
+source: https://github.com/tldr-pages/tldr.git
+---
+# route
+
+> Manually manipulate the routing tables.
+> Necessitates to be root.
+> More information: <https://keith.github.io/xcode-man-pages/route.8.html>.
+
+- Add a route to a destination through a gateway:
+
+`sudo route add "{{destination_ip_address}}" "{{gateway_address}}"`
+
+- Add a route to a /24 subnet through a gateway:
+
+`sudo route add "{{subnet_ip_address}}/24" "{{gateway_address}}"`
+
+- Run in test mode (does not do anything, just print):
+
+`sudo route -t add "{{destination_ip_address}}/24" "{{gateway_address}}"`
+
+- Remove all routes:
+
+`sudo route flush`
+
+- Delete a specific route:
+
+`sudo route delete "{{destination_ip_address}}/24"`
+
+- Lookup and display the route for a destination (hostname or IP address):
+
+`sudo route get "{{destination}}"`