Much of the info I use came from here:
https://wiki.debian.org/WiFi
and the firmware referred to in this post comes from the Debian non-free repositories.
Example 1. Using Fujitsu Amilo PentiumM 1.6GHz 1 GByte RAM laptop.
Booted DebianDog_jwm.
Using porteus boot method and since I have debian_dog live stored in debiandog_jwm subdirector of my hard drive's third partition used menu.lst entry:
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title debiandog_jwm (sda3/debiandog_jwm)
root (hd0,2)
kernel /debiandog_jwm/live/vmlinuz1 noauto from=/debiandog_jwm/ changes=EXIT:/debiandog_jwm/live/
initrd /debiandog_jwm/live/initrd1.xz
Note also that the following rather assumes you have a wired internet connection on the machine you are configuring such that you can apt-get install the required firmware. Otherwise, as I actually did, you could download the required debian wireless firmware package on another machine using 'apt-get install -d' (the -d means download only without installing) and onto a usb stick for transferring over and installing via right-click install deb package in XFE file manager. A copy of downloaded (or installed) debian packages can generally be found archived in /var/cache/apt/archives once system saved and rebooted.
Commands entered and results used to help get wireless connection working:
1.
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iwconfig
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lo no wireless extensions
eth0 no wireless extensions
2. To find info about wireless card on system enter:
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lspci
(or for more details use lspci -vv or lspci -knn)
For my Amilo laptop this lspci command showed the following as part of its long listing:
Network controller: Intel Corporation PRO/Wireless 2200BG [Calexico] Network Connection (rev 05)
3. Can now google for the shown network controller using search criteria "Debian Intel Corporation PRO/Wireless 2200BG". That google search led me to the relevant firmware page link:
https://wiki.debian.org/ipw2200
4. Per the instructions on that wiki page, I installed the relevant firmware module for this wireless card using the commands:
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apt-get update && apt-get install firmware-ipw2x00
5. I then loaded the module for the first time using commandline:
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modprobe -r ipw2200 ; modprobe ipw2200
6. Re-running command iwconfig now revealed:
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lo no wireless extensions
eth0 no wireless extensions
eth2 IEEE 802.11bg ESSIS "..." etc...
Basically, I just then refreshed the Wireless Network tabbed page in Frisbee, highlighted my home wireless LAN that showed up there and pressed "Connect", which asked for my home wireless LAN password to be entered.
If you have any problems at that stage, you may need to then press Frisbee's "Diagnostics" button and "Edit Configuration" button to check psk password you assigned is correctly shown. But really, as long as iwconfig is showing an active eth interface assigned to wireless all should be fine from then on... (sometimes might need to restart DHCP in Frisbee, but generally I found none of that extra stuff is required unless you have stuffed up in between times). Note that you don't need to save wireless profile in Frisbee (as far as I could see) - wireless just connected automatically once I rebooted my system anyway (assuming Frisbee's Enable Wireless and Connect Wireless Automatically were checked).
Example 2. Using HP Elitebook 2730p, with DebianDog_jwm.
1. iwconfig again revealed no eth interface active for wireless connection (i.e. no wireless firmware module found installed).
2. In this case the command lspci revealed the machine to have an Intel PRO/Wireless 5100 AGN wireless card.
3. google for "debian Intel PRO/Wireless 5100 AGN" led me to the relevant firmware page link:
https://wiki.debian.org/iwlwifi
4. Per the instructions on that wiki page, I installed the relevant firmware module for this wireless card using the commands:
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apt-get update && apt-get install firmware-iwlwifi
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modprobe -r iwlwifi ; modprobe iwlwifi
William