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System administration related issues for unix/linux platforms. (Ubuntu, RH, CentOs, Fedora, Darwin, Solaris and more) Shell scripting, programming and administration. Security and firewall - iptable and UFW IT automation expert - techniques and technologies.
I was a systems administrator for nearly a decade on the following unix systems: NeXTStep, Linux (all flavors), Sun Solaris and more. I have been a programmer in unix environments for the last 12 years.
I am co-founder of XonaSoftware
BS in Electronic Engineering CS classes at Depaul University Certificates in: Java, NeXTStep Administration, Web Logic, XP, Spring and many more.