Here are some binary Cisco IOS router images that’s confirmed to be working with the GNS3 emulator. Download links NOT provided, so you will have to Google to find them.
Relaying e-mail via Microsoft Exchange server for Elastix 1.6 or CentOS 5.x. You will need to have a valid Active Directory domain user with an Exchange mailbox to send mail as.
Instructions for mounting Linux LVM volumes with a live CD. I’ve used a Gentoo minimal install/Live CD.
Decrypting Cisco type-7 passwords on a IOS router. I saw this once on the net and thought it could come in handy… This does not work for type-5 passwords!
Setting up a Linksys WRT-54GL 1.1 wireless router to split traffic between two ISPs and do traffic accounting. This was done to least cost route data, in South Africa, due to much cheaper local bandwidth and over priced international bandwidth.
Setting up a Ubuntu Time Machine server for Mac OS X Snow Leopard backups. Netatalk 2.0.5-3 and Ubuntu 9.10 minimal was used for this configuration.