Wake On Lan – Student Labs

A little scripting project on REDMOND to wake machine in the labs using Gammadyne Corporation’s WOL.EXE (v1.2). This is a fall back if other WOL tools fail.

The trick is that Packets cannot be broadcast across the Internet, only a LAN. To get around the subnet issues REDMOND needs to think that the VLAN is the subnet and hence although REDMOND’s actual netmask = 255.255.255.192 to make the VLAN the subnet we will need have the mask set as 255.255.255.0

	>wol 001143a5949c
	Wake-On-LAN Utility 1.1
	Copyright (C) 2000-2003 By Greg Wittmeyer
	All Rights Reserved

	Wake-up packet sent successfully

WOL.exe sends a “Wake On LAN” packet to the NIC with the matching Ethernet Address (EA). The script is pretty crude, as there is just a list of the EAs by subnet … I am testing the theory first – pretty can come later *chuckle*

Things went well for DM109, DM204, DM208 and DM211. Not so well for the DELL GX280’s in AH222 … a bit more testing and it appears not to be a subnet related issue. Something is rotten in the land of AH222 as even locally in the lab you cannot WOL the buggers

 

Fig1. Properties tab with ‘both’ enabled

Even if the WOL is enabled via the properties tab on the NIC (WinXP), it also needs to be enabled via BIOS.

	BIOS
	   |---Power Management
                  |---Remote Wake Up  [ON]

After these are changed for AH222 things should be ok And on a test GX280 things look OK

 

 Fig2.Magic packet on port 12287

 

The next thing is to find out what other services I may have broken with the change of netmask … tomorrows project

 

[1] WOL.EXE [Gammadyne Corporation]

Googlemaps + Geocaching.com

About Google Earth KML
KML files are specially formatted files for Google Earth that contains data to allow them to be viewed in the Google Earth desktop application. The data from Geocaching.com includes the type of listing (Traditional, Multi-cache) and other data to help you browse caches in a dynamic mapping interface.Please note that the coordinates used in Google Earth are only an approximation and can be up to 100 ft from the actual location. Do not use the coordinates in Google Earth for cache hunting. It is merely a viewing tool for getting a general idea of the cache location. [1]

… where ever I may roam.

From the Google Earth Blog:

Garmin Supports Google Earth
September 26, 2005
Garmin has released a beta of their MapSource software which supports Google Earth directly! From the menu “View -> View in Google Earth” and you can see your tracks, waypoints, and routes in GE directly. [MapSource version 6.9.0.2 Beta as of September 30, 2005].
Changes made from version 6.8.0 to 6.9.0.0 Beta: Added the ability to view the data contained in the current document in Google Earth

[1] About Google Earth KML [geocaching.com]
[2] Google Earth Tips Archive [Google Earth Blog]
[3] KML Tutorial [Keyhole/Google]
[4] KML Documentation. [Keyhole/Google]

AccessGrid continued …

I have been testing (playing with) AccessGrid from my laptop; I have set up a user Darren Robertson that seems to be working ok via the USyd bridge into the “Asia Pacific Access Grid Lobby” (the joys of Unicast *chuckle*). The certificate process was pretty quick and easy, suprisingly so.

And now we have a success via the Unimelb-AGN/Melbourne Bridge bridging into the “UMelbourne” venue.

The image from the laptop is not too good. I am using an old Logitech QuickCam Express and it has pretty poor picture quality … I think we’ll need to test a few other imaging devices (DV-Cam on firewire?)