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A built-in wifi scanning command you can add to Knoppix
.
If you would like to know what the wifi environment looks like where you are,
here's a little command-line way to display who's on which channel and how strong
they are relative to your own wifi.
You can easily try this out _temporarily_ by typing in the following line into
a Knoppix lxterminal:
Code:
alias wifi.scan='nmcli -p dev wifi list'
And, <enter>, of course. Then when you <enter> 'wifi.scan',
what you get may look like the following if you have a lot of yuppies with Ipads
and Kindles and Window computers and wireless printers in your neighborhood:
Code:
====================================================================================
Wi-Fi scan list (wlan0)
====================================================================================
* SSID MODE CHAN RATE SIGNAL BARS SECURITY
------------------------------------------------------------------------------------
WARnet Infra 11 54 Mbit/s 25 ▂___ WPA1 WPA2
-- Infra 6 54 Mbit/s 24 ▂___ WPA2
xfinitywifi Infra 6 54 Mbit/s 25 ▂___ --
LivingBrook Infra 6 54 Mbit/s 25 ▂___ WPA2
HOME-B0C2 Infra 6 54 Mbit/s 27 ▂___ WPA1 WPA2
LivingBrook-Guest Infra 6 54 Mbit/s 27 ▂___ --
-- Infra 6 54 Mbit/s 22 ▂___ WPA1 WPA2
xfinitywifi Infra 6 54 Mbit/s 20 ▂___ --
walters Infra 6 54 Mbit/s 19 ▂___ WPA1 WPA2
H89L2 Infra 6 54 Mbit/s 19 ▂___ WPA2
WARnet Infra 1 54 Mbit/s 25 ▂___ WPA1 WPA2
* MyWiFi Infra 6 54 Mbit/s 62 ▂▄▆_ WPA2
FiOS-9IX5R Infra 11 54 Mbit/s 20 ▂___ WPA2
FiOS-JHVGZ Infra 1 54 Mbit/s 25 ▂___ WPA2
FiOS-E9IHZ Infra 11 54 Mbit/s 17 ▂___ WPA2
HP-Print-57-Officejet Pro 8600 Infra 11 54 Mbit/s 20 ▂___ --
STRIPES Infra 11 54 Mbit/s 25 ▂___ WPA1 WPA2
snarfle Infra 11 54 Mbit/s 19 ▂___ WPA2
Basement Infra 11 54 Mbit/s 20 ▂___ WPA1 WPA2
87CX5 Infra 3 54 Mbit/s 22 ▂___ WEP
I add the one line, wifi.scan='nmcli -p dev wifi list', to my executable .bashrc
file to make wifi.scan a _permanent_ built-in capability.
If you don't already have a .bashrc file, then make one and do chmod +x
to make it executable. Try it, you may like it.
This all presumes your wifi supports scanning. My wifi is a $20 replacement unit,
so this capability my very well be present in other inexpensive computers like mine.
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