Sites about ikiwiki

http://dtrt.org/ul/pub/ikiwiki/
http://chistera.yi.org/~dato/blog/entries/2007/12/25/ikiwiki_wiki_kiki__.html

How to configure yocto to use backuped files instead download it again

If you want yocto to use external directory do it:

Create a file confi/site.conf and add:

SCONF_VERSION = "1"
SOURCE_MIRROR_URL ?= "file:///comum/workspace/yocto/downloads/"
INHERIT += "own-mirrors"
BB_GENERATE_MIRROR_TARBALLS = "1"
# BB_NO_NETWORK = "1"

Source: http://www.crashcourse.ca/wiki/index.php/OE-Core