Posts Tagged: Wireless


7
Sep 10

News from the Belfast Hackerspace

Proposed Hack Aid poster

Proposed Hack Aid poster designed by David Kane

So we’re only a few weeks into developing this idea, and first I’m going to give some credit where credit’s due; the people that I’m working with this have been brilliant, I want to give special thanks (in no particular order) to Ryan Grieve (@thegrieve), David Kane, Ben Harrison, Martin Gilchrist (@Gilchrist_LLP), Jonny Milliken, Dan Reid, and Chris Murray (@kris18890).

Anywhere, where are we now?

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8
Jul 10

Intel 4965: Poor wireless performance under Ubuntu

I had an incident recently where the Windows 7 side of my laptop connected easily to an open AP, but the Ubuntu 10.04 (or 9.04, tried both) wouldn’t, with the Intel Iwlagn drivers reporting in syslog a deauth (reason=6), basically the card spoke too soon. I eventually found the solution.

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12
Jul 09

Best Laid Plans of Mice and Men

Recently the only additions I’ve been making to this blog are presumptious ‘
I’ll be doing this’ messages, and this is no excection.

I’ve been living and working in Athlone, Ireland for the past year and have really learnt alot and very much enjoyed myself, but however much I will miss the place, academia drags on; it sounds like a campaign slogan but I’m back in Queens for ‘TWO MORE YEARS…TWO MORE YEARS’

Anyway, as such i will be moving in to a house in Ebor St in Belfast with my long term partner and my little brother (in this economy who can blame him for grabbing coattails?) .

Now, while that will make for many personal and social changes, those are outside the scope of this blog; what it REALLY means is that for the first time, I’ll have a hackable (within partners aesthetic reasoning) house. Were planning on holding on the the place for 2 years so i can justify the investment.

This is the plan of things i want to set up, and I will be updating this page with some extra links and notes as i make them.

In no particular order

  1. Shared media storage area for the whole house (probably using my MyBook) that will work with games consoles aswell as laptops/desktops internally and externally.
  2. Shared calendars and timetables availiable.
  3. Festival based alarm clock with dynamic alarm times based on respective timetables. (2)
  4. VPN access for all housemates.
  5. Some form of SFF pc in the living room to act as a Skype box attached to big-screen (My partner has ‘attentive’ parents that will be 3000  miles away, and mine will be about 500 miles away, i expect them to be in contact somehow, so it may as well make it as inexpensive as possible…)
  6. Secure wireless (obv)
  7. Centralised logging (syslog/snmp trap) across all ‘applicable’ machines, with some form of visualisation (mrtg)
  8. X10 automation of (at least) lights, could be augmented by basic motion detectors and environmental montiors
  9. Remote webcam (may turn this into a robotics/machine learning/machine vision project with the old eeepc and have a kinda roomba on steroids)

Its a big list and i dont expect to finish half of them, but what gets done will be documented here!


15
Feb 09

Hacking Weekend

So, I’ve been experimenting over the weekend with Backtrack 4. My… Lord….

Times have changed, it used to be that if you wanted to mess with WEP you have to go thru a dozen intermediate stages. wesside-ng makes life so much simpler.30 minutes, fully automated.

What i had done previously was manual airodump-ng, aireplay-ng with arp attacks, and then shifting the caps onto my big box to crack inside of 10 seconds, pity is the packet capture on a quiet network can take a day.

Also, if you cant be assed with the whole Backtrack thing. the whole thing can be swiped from the subversion repo

svn co http://trac.aircrack-ng.org/svn/trunk/ aircrack-ng

Its been a long day.


24
May 08

EEEpc note

Ok, got the 900, sorry this blog is very very late

Pros:
AMAZINGLY small, you wont believe how small it is until you use one
The keyboard is just managable
the Webcam is amazing quality when it works
More responsive than i imagined
The Extra 16GB SSD really helps
Wonderfully fast bootups (If you never plug it in to any accessories (other than charger) set the Boot Booster enabled under the BIOS, trims a second or two)

Cons:
Battery life less than expected
Wireless strength depends on the driver you use
Webcam and Webcam-mic not fully functional (currently) under Ubuntu 8.04

What I’ve done:
Managed to get a dual boot system between the Xandros OS and Ubuntu 8.04 by resizing my home partition on the 16GB SSD and installing in there (dont bother with a swap drive)
Grub works wonderfully and straight out of the install i still have both the standard and recovery boot options thru xandros.

As for install, use this
And for tweaking use this BUT to fix the sound you have to go back in and re fix alsa (the 700 tweak doesnt work for the 900)

  • Edit /etc/modprobe.d/alsa-base and change the line “options snd-hda-intel model=3stack-dig”to “options snd-hda-intel model=auto”
  • ALSO, run the following command:
sudo alsactl store
  • Run:

sudo alsactl restore

I think that was all i had to do for basic operations.

Also got Kismet and the Aircrack-ng suites working with a bit of giggery pokery with an aim of stealing my dads old GPS and getting gpsmap to work properly, My personal recommendation is to install both from source, in the case of aircrack, you need to go into the folder that was built and make sure that all of the generated binary files are copied to /usr/bin or /usr/sbin depending on how paranoid you are (I’m not) because the install script doesnt install airmon, aireply, ivstools, packetforge, and a few other things i cant remember off the top of my head

As for the kismet source, i use source=madwifi_ag,atho,atheros and instead of relying on kismet to open the card as monitor, i use airmon and wlanconfig to kill the other interfaces first, eg

sudo wlanconfig ath0 destroy
sudo airmon-ng start wifi0
kismet (i did the suidinstall of kismet so there is no need for sudo. for a single user system the suidinstall is probably easiest)

I cant really talk about the performance of aircrack because truth be told i wouldnt have the patience for a 900MHz to get thru that kinda work, i collect as many packets as i can and get my dual core 3GHz 64bit system to do the dirty work (also usually do this over ssh if i can get an alternate connection, am working on a system where the ivs file can be emailed and an email reply will be sent back, with either the key, or “MEGAFAIL”)

Anyway
Battery life. thats a joke. Its less that the 701 my dad has. yeah, yeah, i know, its more powerful, bigger screen, that wud be fine if it wasnt just the UK getting the kneecapped batteries:

List of countries getting 5200mAh battery:TW,HK,USA,CAN,IT
4400mAh:UK

If anyone is reading this please go to http://forum.eeeuser.com/viewtopic.php?id=27140 and make your voice heard, cus i want the battery that was handed out to reviewers! (the forum explains it better than me)


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