nmcli: add more server examples (#3816)

pages/linux/nmcli-connection.md

@@ -0,0 +1,27 @@
+# nmcli connection
+
+> Connection management with NetworkManager.
+
+- List all NetworkManager connections (shows name, uuid, type and device):
+
+`nmcli connection`
+
+- Activate a connection by specifying an uuid:
+
+`nmcli connection up uuid {{uuid}}`
+
+- Deactivate a connection:
+
+`nmcli connection down uuid {{uuid}}`
+
+- Create an auto-configured dual stack connection:
+
+`nmcli connection add ifname {{interface_name}} type {{ethernet}} ipv4.method {{auto}} ipv6.method {{auto}}`
+
+- Create a static IPv6-only connection:
+
+`nmcli connection add ifname {{interface_name}} type {{ethernet}} ip6 {{2001:db8::2/64}} gw6 {{2001:db8::1}} ipv6.dns {{2001:db8::1}} ipv4.method {{ignore}}`
+
+- Create a static IPv4-only connection:
+
+`nmcli connection add ifname {{interface_name}} type {{ethernet}} ip4 {{10.0.0.7/8}} gw4 {{10.0.0.1}} ipv4.dns {{10.0.0.1}} ipv6.method {{ignore}}`

pages/linux/nmcli-device.md

@@ -0,0 +1,15 @@
+# nmcli device
+
+> Hardware device management with NetworkManager.
+
+- Print the statuses of all network interfaces:
+
+`nmcli device status`
+
+- Print the available Wi-Fi access points:
+
+`nmcli device wifi`
+
+- Connect to the Wi-Fi network with a specified name and password:
+
+`nmcli device wifi connect {{ssid}} password {{password}}`

pages/linux/nmcli.md

@@ -2,26 +2,18 @@
 
 > A command line tool for controlling NetworkManager.
 
-- List all NetworkManager connections (shows name, uuid, type and device):
+- Check the nmcli version:
 
-`nmcli connection`
+`nmcli --version`
 
-- Print the available Wi-Fi access points:
+- Call general help:
 
-`nmcli device wifi`
+`nmcli --help`
 
-- Connect to the Wi-Fi network with a specified name and password:
+- Call help on a command:
 
-`nmcli device wifi connect {{name}} password {{password}}`
+`nmcli {{command}} --help`
 
-- Activate a connection by specifying an uuid:
+- Execute an `nmcli` command:
 
-`nmcli connection up uuid {{uuid}}`
-
-- Deactivate a connection:
-
-`nmcli connection down uuid {{uuid}}`
-
-- Print statuses of network interfaces:
-
-`nmcli device status`
+`nmcli {{command}}`