This page documents installing Wifi-Radar on Debian (Etch) and Ubuntu (Hoary).Wifi-Radar is a simple utility for managing wireless networks. It's very useful if you connect to more than one wireless network, each of which has different settings.

Although the .deb package used in this document is designed for Ubuntu, it has been shown to work on Debian Etch too.

  1. Ensure you have the following packages installed: python, python-gtk2, wireless-tools. You probably have all of those packages installed already. They are installed as standard on Ubuntu and are likely to be installed on a Debian system configured for general desktop use and for use with a wireless card. You can try to install the packages anyway: If you already have them installed, trying to install them again won't have any bad side-effects.

  2. You can test if you already have the python package installed by entering python at the command line. You should see something like this:

tony@davros:~$ python
Python 2.3.5 (#2, Jun 19 2005, 13:28:00) 
[[GCC|3.3.6 (Debian 1:3.3.6-6)]] on linux2
Type "help", "copyright", "credits" or "license" for more information.

# iwconfig --help
Usage: iwconfig interface [[essid|{NN|on|off}]]
                          [mode {managed|ad-hoc|...}
                          [freq N.NNNN[k|M|G]]
                          [[power|{period N|timeout N}]]
                          [[txpower|N {mW|dBm}]]
       Check man pages for more details.
  1. On new Debian systems, the dhcp3-client package is the default DHCP client version. However, on systems that have been upgraded from Woody or older versions, you may have the dhcp-client package installed instead. Use apt-get install dhcp3-client dhcp3-common to get the newer version. The older version will be removed.

  2. Download the .deb file from The file you want is (at time of writing) wifi-radar_1.9.4-0ubuntu4_all.deb

  3. Install the package as root using the command dpkg -i wifi-radar_1.9.4-0ubuntu4_all.deb. You should see the following output:

# sudo dpkg -i wifi-radar_1.9.4-0ubuntu4_all.deb 
Selecting previously deselected package wifi-radar.
(Reading database ... 99791 files and directories currently installed.)
Unpacking wifi-radar (from wifi-radar_1.9.4-0ubuntu4_all.deb) ...
Setting up wifi-radar (1.9.4-0ubuntu4) ...
  1. If you get any errors at this point, please ensure that you have actually got all the dependencies listed in step 1 installed. Missing dependencies are the most likely cause of errors at this stage.

  2. Run the wifi-radar executable as root. It needs to be root to set the wireless settings on the card. The best way to do this is to use sudo or gksudo to run the application. gksudo is a graphical application that brings up a dialog box to allow you to enter your password. You would start Wifi-Radar by assigning the command gksudo wifi-radar to a menu item or launcher.

  3. It might be convenient for you to set up sudo not to expect a password when called. This is less secure than the default configuration of sudo which requires a password to be re-entered after a period of time. To configure sudo to not require a password for wifi-radar when called as a user, edit the line of /etc/sudoers that reads

tony     ALL=(ALL) ALL

tony     ALL=(ALL) NOPASSWD: /usr/sbin/wifi-radar

LinuxHints/InstallingWifiRadar (last edited 2006-07-22 06:14:46 by 81)