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Old 12-19-2007, 12:15 PM   #1
LQ Newbie
Registered: Aug 2007
Posts: 4

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iwconfig - ifconfig

Hello, Everyone

I'm using Fedora 8 and trying to get my wireless interface to come up. When I try to use ipconfig or iwconfig this is the output I get. But in the second block of code you see that I have wireless-tools and net-tools installed. Dose anyone have an idea why I can't pull them up in the terminal?

[root@localhost brivy]# ifconfig wlan0
bash: ifconfig: command not found
[root@localhost brivy]# iwconfig wlan0
bash: iwconfig: command not found
[root@localhost brivy]#

[root@localhost brivy]# rpm -q --all --filesbypkg | grep iwconfig
wireless-tools /sbin/iwconfig
wireless-tools /usr/share/man/man8/iwconfig.8.gz
[root@localhost brivy]# rpm -q --all --filesbypkg | grep ipconfig
net-tools /sbin/plipconfig
net-tools /usr/share/man/de/man8/plipconfig.8.gz
net-tools /usr/share/man/fr/man8/plipconfig.8.gz
net-tools /usr/share/man/man8/plipconfig.8.gz
kernel-devel /usr/src/kernels/

What am I doing wrong?
Old 12-19-2007, 12:24 PM   #2
LQ Guru
Registered: Aug 2003
Distribution: CentOS, OS X
Posts: 5,131

Rep: Reputation: Disabled
You have probably used 'su' to become root. That's fine, but as such it won't modify your environment variables like $PATH (it contains the directories where executables are searched when you type a command in the command line); in other words, the $PATH is the user's and not root's, and regular user's $PATH does not include the sbin directories in which the administrative tools are. For example ifconfig and iwconfig are in /sbin which is in root's $PATH but not regular users'.

Fix one: run with full path
Fix two (easier if you run more than one command): su with dash
su -
type in password as usually, and after this you get a root command prompt, and your environment is changed to that of root's (reverts back when you 'exit'). After this just
and it should be found.

If you are using Fedora 8, the graphical tools might make it easier to configure your wireless network.
Old 12-19-2007, 01:01 PM   #3
LQ Newbie
Registered: Aug 2007
Posts: 4

Original Poster
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Yep, that was it. I was already logged as root but when I used su - it found it no problem. I'm not completely new to Linux there are still some gaps in what I know. Thank you for your help!


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