#tldr :  Command line utility of [NetworkManager](https://networkmanager.dev)
Resources:
- https://wiki.archlinux.org/title/Software_access_point#NetworkManager_is_interfering
- https://wiki.archlinux.org/title/NetworkManager#Ignore_specific_devices
Benefit: Automates setting up WiFi, DHCP server and NAT config, according to [here](https://variwiki.com/index.php?title=Wifi_NetworkManager#Configuring_WiFi_Access_Point_with_NetworkManager).


# Commands
```bash
nmcli dev #list network devices
```
```bash
nmcli con down <name> # disable AP config
```
```bash
nmcli con delete <name> # permanently delete AP configuration
```
```bash
sudo systemctl restart NetworkManager # for config changes to take effect
```
```bash
sudo nmcli device set <interface-name> managed no # make sure itnerface is not managed by NetworkManager. Can use d instead of device.
```
More examples [here](https://networkmanager.dev/docs/api/latest/nmcli-examples.html)

# Config
## Ignoring specific devices
This is mostly taken from different parts of [archwiki/NetworkManager](https://wiki.archlinux.org/title/NetworkManager). This is desirable so it wont interfere with our [[hostapd]] or [[dnsmasq]] config.
In ``/etc/NetworkManager/conf.d/unmanaged.conf`` :
MAC addr based:
```config
[keyfile]
unmanaged-devices=mac:<hwaddr>
```
Interface name based:
```config
[keyfile]
unmanaged-devices=interface-name:<ifname>
```
After modifying run
```bash
sudo nmcli general reload
```

Must avoid having conflicting [[dnsmasq]] instances between #systemd managed and #NetworkManager built in. 


# Troubleshooting
## Wifi adapter not found anymor
See [[Tools]].