Ask Klaus!

Ask Klaus!

Article from Issue 100/2009

Klaus Knopper is the creator of Knoppix and co-founder of the LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine.com

WiFi

Question:

Thank you for the reply to my email asking for help with my laptop WiFi. I am using Ubuntu 8.04.1. /etc/wpa_supplicant contains no wpa_supplicant.conf, but /etc/network/interfaces contains lines that look correct. And sudo wpa_cli status also looks correct. I have no idea how to do the real serious bit, which is check if the DHCP request is coming too early or coming at all. I use System | Administration | Network to enter the correct type and password, but something appears to be resetting them to a default.

With modern computers, things sometimes get changed without me knowingly doing anything. The WPA type and password is the only one that causes me serious trouble, except that I reinstalled Ubuntu 8.04.1 this week and I can only connect to the internet by cable, not WiFi. I live in hope that I am learning things nearly as fast as they change!

[...]

Use Express-Checkout link below to read the full article (PDF).

Buy this article as PDF

Express-Checkout as PDF
Price $2.95
(incl. VAT)

Buy Linux Magazine

SINGLE ISSUES
 
SUBSCRIPTIONS
 
TABLET & SMARTPHONE APPS
Get it on Google Play

US / Canada

Get it on Google Play

UK / Australia

Related content

  • Ask Klaus!

    Klaus Knopper is the creator of Knoppix and co-founder of the LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine.com

  • Ask Klaus!

    Klaus takes a look at how Linux handles access to hardware.

  • Ask Klaus!

    Klaus Knopper is the creator of Knoppix and co-founder of LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine.com

  • WiFi-Radar

    The fast and easy WiFi-Radar is a handy Python-based tool for finding and automatically launching wireless connections.

  • Ask Klaus!

    Klaus Knopper is the creator of Knoppix and co-founder of the LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine.com

comments powered by Disqus
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters

Support Our Work

Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.

Learn More

News