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The time now is Fri 20 Nov 2009, 22:07
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 Forum index » Advanced Topics » Hardware » Networking » Wireless
Problems with dhcpcd in wireless connect script (SOLVED)
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2lss

Joined: 20 Sep 2009
Posts: 13
PostPosted: Tue 03 Nov 2009, 13:21    Post subject:  Problems with dhcpcd in wireless connect script (SOLVED)  
I pieced this together from different scripts I found on this forum
Code:
#! /bin/bash

rm /var/run/wpa_supplicant/*

wpa_supplicant -Dwext -iath0 -c/etc/wpa_supplicant2.conf

sleep 5

rm -f /var/lib/dhcpcd/*.info
rm -f /var/run/*.pid

dhcpcd -t 30 -h puppypc -d ath0

I am trying to using this script to connect to the wpa2 enterprise at my university using wpa_supplicant.

If I run wpa_supplicant -Dwext -iath0 -c/etc/wpa_supplicant2.conf
in the terminal and then run dhcpcd -t 30 -h puppypc -d ath0 in a separate terminal I can connect with no problem.

If I run the script, My puppy wireless widgit shows I am connected to the network but apparently dhcpcd is not working. If I try to load a web page seamonkey just times out. To get it to work I use dhcpcd in the puppy connection wizard and everything works ok.

Does anyone know why dhcpcd works in a terminal but not in my script? All of the networking scrips I found on this forum look similar, and I am stumped.
Last edited by 2lss on Fri 06 Nov 2009, 12:35; edited 1 time in total
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tempestuous

Joined: 10 Jun 2005
Posts: 3550
Location: Australia
PostPosted: Tue 03 Nov 2009, 21:39    Post subject:  
As you will see in the "How to configure wifi from the commandline" HOWTO -
http://www.murga-linux.com/puppy/viewtopic.php?t=22469
there are two different syntax variations of the dhcpcd command.
Your script uses the conventional syntax -
Code:
dhcpcd -t 30 -h puppypc -d ath0


but you may need this instead -
Code:
dhcpcd -I '' -t 30 -h puppypc -d ath0

That's hyphen, capital i, space, apostrophe, apostrophe (not quotation marks).
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2lss

Joined: 20 Sep 2009
Posts: 13
PostPosted: Fri 06 Nov 2009, 12:35    Post subject:  
Ok, I got it working

tempestuous: Thanks for the info, but I still was getting the same results.

I just added a -B to the end of wpa_supplicant and now it seems to be working fine
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tempestuous

Joined: 10 Jun 2005
Posts: 3550
Location: Australia
PostPosted: Fri 06 Nov 2009, 22:49    Post subject:  
2lss wrote:
I just added a -B to the end of wpa_supplicant and now it seems to be working fine

Ah yes, that's because without the "B" your script will end at the wpa_supplicant command.
The "B" forces wpa_supplicant to run in the background, and the script then continues to the end.
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