lk/fundamentals/wifi.md

1.3 KiB

Netstat Stuff

iftop -p -n Stats on local net usage within domain.

whois domain.com

dig domain.com info on domain, whether it's taken, et c.

ifconfig Like ipconfig.

nmcli Versatile wifi tool.

Examples

You want to connect to the internet.

sudo iwconfig

Get knowledge of wireless state. The output might be:

wlp3s0 IEEE 802.11 ESSID:"Gandalf WajFaj"

Mode:Managed Frequency:2.412 GHz Access Point: 10:05:01:90:AC:1A

Bit Rate=144.4 Mb/s Tx-Power=15 dBm

Retry short limit:7 RTS thr:off Fragment thr:off

Encryption key:off

      `Power Management:on`

      `Link Quality=64/70  Signal level=-46 dBm`

      `Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag`

      `Tx excessive retries:0  Invalid misc:363   Missed beacon`

This tells you that your ESSID is 'Gandalf WajFaj', and the access point name is 10:05:......

nmcli radio

You get an overview of your radio devices.  You're told that eth0 deals with your ethernet and wlan0 deals with wifi.  wlan0 is a file which represents your wifi device.

nmcli wlan0 wifi rescan

nmcli device wifi list

Now to connect.

nmcli device wifi connect [SSID] [your password] [wifi password]

Alternatively, you can use

nmcli -ask device wifi connect [SSID] And it'll ask for your password, so you're not typing it in in full view.