Sysadmin

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.dalun.com/wix/06.15.2005.htm msiexec /i product.msi /L*v log.txt

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://support.microsoft.com/?id=883380 well, if getting some weird errors from OWA after you (or some app you have installed ) messed IIS config – you can re-install OWA, re-create all owa directories w/out touching exchange installation itself

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://blog.subaquatic.net/archives/virtualbox-p2v-success/ If you need to P2V your windoze install into virtual box vm – you can follow a true-hacker way [http://forums.virtualbox.org/viewtopic.php?t=1404

http://www.artofsolving.com/opensource/pyodconverter PyODConverter

http://www.simionovich.com/ useful blog about voip tech and asterisk