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Re: [vox-tech] Wireless Networking Confusion
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Re: [vox-tech] Wireless Networking Confusion



On Sun June 11 2006 16:47, Ken Bloom wrote:

> My laptop's configuration is approximately as follows:
>
> #eth0 is *not* auto, because I don't want it
> #to slow ntpdate during boot when I'm not connected
> iface eth0 inet dhcp
>
> #Bring up this configuration as #ifup wlan0
> #this is for connecting to networks without WEP
> iface wlan0 inet dhcp
> 	wireless-essid any
> 	wireless-key open
> #those are essential to clear the settings from whatever network you may
> #have previously been connected to.
>
> #bring this up as #ifup wlan0=ling
> #take it down as #ifdown wlan0
> iface ling inet dhcp
> 	wireless-essid LingCogLab
> 	wireless-key 0123456789
>
> #bring this up as #ifup wlan0=home
> iface home inet dhcp
> 	wireless-essid kenapt
> 	wireless-key 0123456789
>
> (etc...)
>
> And I have sudo configured to allow ifup and ifdown without a password
> And I have a menu in fluxbox for connecting/disconnecting from all of my
> various wireless networks. I'm very particular to use the menu to
> connect/disconnect because I don't want to accidentally shut down eth0
> on my desktop while I'm connected by ssh. I suppose it's also possible
> to use ifrename or udev to rename eth0 on your laptop to something else
> so that it doesn't match your desktops/servers, so you can't take down
> your desktop/server's eth0 by autopilot.
>
>   [submenu] (Internet)
>     [exec] (Connect to Ethernet) {xterm -e sudo ifup eth0}
>     [exec] (Disconnect from Ethernet) {xterm -e sudo ifdown eth0}
>     [nop]
>     [submenu] (Connect to Wireless)
>       [exec] (Home) {xterm -e sudo ifup wlan0=home}
>       [exec] (IIT) {xterm -e sudo ifup wlan0=iit}
>       [exec] (LingCog) {xterm -e sudo ifup wlan0=ling}
>       [exec] (Sunnyvale) {xterm -e sudo ifup wlan0=svl}
>       [exec] (any) {xterm -e sudo ifup wlan0}
>     [end]
>     [exec] (Disconnect from Wireless) {xterm -e sudo ifdown wlan0}
>   [end]
>
> I haven't figured out how to make wpasupplicant work for me in Debian
> yet.
>
> I have the resolvconf package installed to manage /etc/resolv.conf
>
> [bloom@cat-in-the-hat ~]$ apt-cache show resolvconf
> Package: resolvconf
> Priority: optional
> [...]
> Description: nameserver information handler
>  Resolvconf is a framework for keeping track of the system's
>  information about currently available nameservers. It sets
>  itself up as the intermediary between programs that supply
>  nameserver information and programs that use nameserver
>  information. Examples of programs that supply nameserver
>  information are: ifupdown, DHCP clients, the PPP daemon and
>  local nameservers. Examples of programs that use this
>  information are: DNS caches, resolver libraries and the
>  programs that use them.
>  .
>  This package may require some manual configuration.  Please
>  read the README file for detailed instructions.
> (For me, it didn't require any manual configuration)
>
> --Ken Bloom
Thanks. I changed my interfaces file and this works. From the info
pages I thought I had to have a mapping stanza and I couldn't make that
work.
Richard
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