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A Brief Primer on Digital Certificates and File Types
A short primer on the different types of files that you may encounter when dealing with digital certificates.
Open Directory PKI
A multi-part article on how to create an PKI using the certificate authority that is created when you set up an Open Directory master on OS X 10.8 Mountain Lion.
Certificates, Profiles, and Trust
These are the slides from my presentation at the MacIT Conference on February 2, 2013, AKA JetBlue stranded me in Boston.
Raiders of the Lost Certificate - MacSysAdmin 2012 Edition
Slides from my presentation at MacSysAdmin 2012 conference in Götebord, Sweden. Updated and enhanced from the versions at MacIT.
WiFi and Network Infrastructure
Slides from the MacTech In Depth: Mobile Device Management Chicago session, July 19, 2012.
Managing Who's on Your Network
Slides from the MacTech In Depth: Network & WiFi Design and Troubleshooting session, July 18, 2012.
Deployment Tools and Concepts
Slides from the MacTech In Depth: OS X Server Administration New York City session, April 19, 2012.
Mobility, Virtualization, and Windows
Slides from the MacTech Boot Camp New York City session, April 18, 2012.
MacIT 2012 Session IT833 Certificate Basics Slides
These are the slides from my presentation at the MacIT conference on January 26, 2012 in San Francisco.
Mythbusting the DigiNotar Certificate Authority Security Breach
A look at common myths about the DigiNotar breach and how Mac users should react to it.
Protecting Your Mac From the DigiNotar.nl Certificate Compromise
Steps to revoke the trust from the Mac OS X keychain.
MacTech Boot Camp 2011 Slides
These are the slides from my session on Mobility at the MacTech boot camp in Dallas, TX in April 2011.
Macworld Expo 2011 slides
These are the slides from my Macworld Expo 2011 session, Raiders of the Lost Certificate.
Macworld Expo 2010
Slides from my sessions at Macworld.
WWDC 2007 Slides for Paul Suh
This is a PDF version of the slides from my presentation at WWDC 2007.
How to Split a Server (Part 1 of 4)
First in a four-part series of articles on how to split services from one Mac OS X Server to two separate servers.
How to Split a Server (Part 2 of 4)
Second in a four-part series of articles on how to split services from one Mac OS X Server to two separate servers. This covers the addition of a new server into the DMZ and how to configure it for basic mail and web services.
How to Split a Server (Part 3 of 4)
Third in a four-part series of articles on how to split services from one Mac OS X Server to two separate servers. This covers setting up the mail and web support for the example.org domain.
Disk Imaging for Mac OS X Server
Learn how to image a virgin install of OS X Server. If you are looking to roll out a number of server installs from a disk image, or you just want to be able to roll-back your test server quickly, read on.
Protecting Your Mac From the DigiNotar.nl Certificate Compromise PDF
PDF version
Revoking Trust on the DigiCert Sdn. Bhd. (Malaysia) Certificate Authority
Another certificate authority gets compromised.
Certificate File Types PDF
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