lk/networking/wireless.md
Malin Freeborn ba8026e0c3
change formatting
input examples are now given as

```bash
input $ARG1
```

While outputs use md's '> ' sign as a quote.
2023-06-17 21:28:20 +02:00

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Markdown

---
title: "wireless"
tags: [ "Documentation", "Networking" ]
---
# Check wifi's working
```bash
lspci -k
```
Or for usb wifi:
```bash
dmesg | grep usbcore
```
... and hopefully it'll say the new interface is registered.
# Check if a wifi interface has been created
```bash
ip link
```
or
```bash
iw dev
```
Assuming it's wlan0, bring it up with
```bash
ip link set wlan0 up
```
Error messages probably means your wireless chipset requires a firmware to function. In this case, check the kernel messages for firmware being loaded
```bash
dmesg | grep firmware
```
# Utilities
iw doesn't do wpa/wpa2. wpa_supplicant does everything. iwd does everything except WEXT encryption.
# Connecting
Get the link status:
```bash
iw dev wlan0 link
```
Scan for available points:
```bash
iw dev wlan0 scan
```
The connecting commands do not cover wpa2.