Ubuntu certified professional study guide (Exam LPI 199) /

by Jang, Michael H.
Published 2008

Linux patch management : keeping Linux systems up to date /

by Jang, Michael H.
Published 2006

Sair Linux/GNU installation and configuration /

by Jang, Michael H.
Published 2001

Ubuntu server administration /

by Jang, Michael H.
Published 2009

RHCE Red Hat certified engineer Linux study guide (exam RH302) /

by Jang, Michael H.
Published 2004