Not content to simply root your NOOKcolor eBook Reader and run vanilla Android on it? How about Ubuntu Linux?
Xda-developers forum member devastatorx has posted step by step instructions for convincing your NOOKcolor to boot an Ubuntu image stored on an SD card.
The process doesn’t actually replace Android with Ubuntu, but rather allows you to boot [...]

Ubuntu will get its first entry into the same tablet arena filled by Android and iOS with a newly uncovered model. Tenq’s P07 is running Ubuntu Netbook 10.10 is more optimized for touch as a result. A 32GB SSD provides the main storage; Ubuntu’s light requirements give it an “almost instant” boot time, Giz-China understood.
The [...]

The Ubuntu foundation announced yesterday the first official release of the Ubuntu Server distribution. Available for AMD64, i386, and PowerPC architectures, Ubuntu Server 5.10 provides a complete Ubuntu-based server installation ready for production environments. Developed and maintained by the Ubuntu Server Team, the new server distribution will bring the power and flexibility of the Ubuntu [...]