"There are Linux certifications, such as the RHCE (Red Hat
Certified Engineer). There are security certifications, like the
CCSP (Cisco Certified Security Professional). Now we have the first
certification that combines Linux and security: the Linux
Professional Institute's LPIC-3 with its new 'Security' exam
"The LPI certification, unlike the Red Hat and Novell
certifications, is vendor-neutral. The long-delayed, top-level
LPIC-3 arrived in 2007..."