James is a former IT executive in the banking industry and author of five technology books, including Hardening Linux, Pulling Strings with Puppet and Pro Linux System Administration James has been involved in IT Operations for nearly twenty years and is an advocate of open source technology.
He has previously worked as manager of the CERT at National Australia Bank, Executive Manager of IT Security at the Commonwealth Bank of Australia, the CIO of a medical research foundation doing Web-based clinical trials, managing the architecture group of an outsourcing company and in a number of IT roles in gaming, telecommunications and government.
He currently works at Puppet Labs as head of Operations. James manages operations, documentation, testing, support and release management for Puppet Labs.
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Contributions from James Turnbull
- Identity management without Microsoft restrictions
- Using AppArmor on Red Hat
- Bugs in different OS versions of OSS apps
- Bastille Linux vs. SELinux
- Turning on pam_tally.so
- Nagios Looking Glass: Getting started
- Looking ahead to Nagios 3.0
- Forgotten login for openSUSE10.2
- Managing events with Nagios Event Broker
- Security for SUSE 10.2
- gresecurity on Linux
- Advanced Intrusion Detection Environment vs. Tripwire
- Qpsmtpd: Configuration and plug-ins
- Qpsmtpd: MTA integration and testing
- Mitigating brute-force password risks
- Don't use remote FTP for storing important files
- PFsense for firewalling
- Fighting spam with qpsmtpd
- Security and usability in SELinux
- Protecting PGP keys