Update cheatsheets

linux/nmcli

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# nmcli
+
+> Manage the network configuration using NetworkManager.
+> More information: <https://networkmanager.dev/docs/api/latest/nmcli.html>.
+
+- View documentation for running `nmcli` as a NetworkManager secret/polkit agent:
+
+`tldr nmcli agent`
+
+- View documentation for managing network connections:
+
+`tldr nmcli connection`
+
+- View documentation for managing network interfaces and establishing new Wi-Fi connections:
+
+`tldr nmcli device`
+
+- View documentation for managing general settings of NetworkManager:
+
+`tldr nmcli general`
+
+- View documentation for NetworkManager's activity monitor:
+
+`tldr nmcli monitor`
+
+- View documentation for enabling/disabling and checking the status of networking:
+
+`tldr nmcli networking`
+
+- View documentation for managing radio switches:
+
+`tldr nmcli radio`