Add NetworkManager page

pages/02.linux/networkmanager/default.en.md

@@ -0,0 +1,80 @@
+---
+title: "NetworkManager"
+visible: true
+---
+
+[toc]
+
+## nmcli
+
+First, find the connection you want to edit  
+The full list can be shown using this command  
+[shuser]
+
+```sh
+nmcli connection
+(out)NAME           UUID                                  TYPE       DEVICE
+(out)enp5s0         889b187d-2a9f-4e4d-938c-c88b85fb5756  ethernet   enp5s0
+(out)lo             f61a36ee-b958-4940-8145-b61e92dc59d2  loopback   lo
+```
+
+[/shuser]
+
+Enter the connection editor for an interface
+
+[shuser]
+
+```sh
+nmcli connection edit 'enp5s0'
+```
+
+[/shuser]
+
+Print IPv4 settings
+
+```
+nmcli> print ipv4
+```
+
+Set IPv4 method to "disabled", "auto", "manual", or "link-local"
+
+```
+nmcli> ipv4.method <method>
+```
+
+```
+auto: DHCP
+manual: manual configuration
+```
+
+Set IPv4 address(es)
+
+```
+nmcli> set ipv4.addresses <address/cidr>, ...
+```
+
+Set IPv4 gateway
+
+```
+nmcli> print ipv4.gateway <address>
+```
+
+Set IPv4 DNS
+
+```
+nmcli> print ipv4.dns <address>
+```
+
+Save the setting persistently
+
+```
+nmcli> save
+```
+
+Exit configuration interface
+
+```
+nmcli> quit
+```
+
+> [NetworkManager - Edit a connection](https://wiki.archlinux.org/title/NetworkManager#Edit_a_connection)