Thank Eric Kralicek, former system admin for Cal Poly, Now sys. admin for NATO,  a very good system engineer, for setting up our net working,  and maintaining our Window operating system. He has written a very useful book. It is available from :

He has written a book, The Accidental SysAdmin Handbook, which is available from

The Accidental SysAdmin Handbook: A handbook for entry level IT professionals (Volume 1) by Mr. Eric A. Kralicek (Apr 18, 2012)

See Martial arts Plaza

Joe Hing Kwok Chu