http://www.google.com/url?sa=t&source=web&ct=res&cd=2&url=http%3A%2F%2Fwww.academypublisher.com%2Fjnw%2Fvol02%2Fno03%2Fjnw02030617.pdf&ei=-4zzSZ38FpywtAP0sLDPCg&rct=j&q=Linux+sofware+router%3A+data+plane+optimizations&usg=AFQjCNE5OzutnNt9SWgOaMcZydC5jLXTwg in-depth linux routing performance evaluation, including code profiling, execution path analysis, etc
http://www.google.com/url?sa=t&source=web&ct=res&cd=17&url=http%3A%2F%2Ffreedomhec.pbwiki.com%2Ff%2Flinux_ip_routers.pdf&ei=yXDzSdjSD4yYtAPG_cXPCg&rct=j&q=linux+routing+performance&usg=AFQjCNGNHX6jWJ7Ybrg8Jod24MMenJYt0g Paper from vayatta with some benchmarks that shows raw ip forwarding performance with various packet sizes and % of packet losses. Basically 2.8 Intel celeron + 1G broadcom (tg3) cards can deliver ~150Mbps on 64b packets limited by CPU
http://www.gentoo-wiki.info/HOWTO_Setup_IP_failover_with_UCARP examples for config scripts for ucarp daemon. ucap is a alternative for VRRP, alows 2 devices to have shared IP address. used for setup redundant routers, load balancers
http://www.tomshardware.com/reviews/pwn2own-mac-hack,2254.html Charlie Miller is the one who broke in to up2date fully patched mac in about 1 minute and won (macbook air ) in the latest Pwn2Own content. Good read if you have 20 minutes.
http://www.wains.be/index.php/2007/12/13/centos-5-chroot-dns-with-bind/ some tricks on how to config bind (named) in default chroot mode.
http://wiki.codemongers.com/Main main source of Nginx info in English. Documentation, config examples, code cross-reference info.
http://www.athensfbc.com/imap_tools/ tools to copy and/or migrate imap mailboxes
https://help.ubuntu.com/community/VirtualBox
http://www.artofsolving.com/opensource/pyodconverter PyODConverter
http://www.simionovich.com/ useful blog about voip tech and asterisk