David M Williams

David M Williams

David has been computing since 1984 where he instantly gravitated to the family Commodore 64. He completed a Bachelor of Computer Science degree from 1990 to 1992, commencing full-time employment as a systems analyst at the end of that year. David subsequently worked as a UNIX Systems Manager, Asia-Pacific technical specialist for an international software company, Business Analyst, IT Manager, and other roles. David has been the Chief Information Officer for national public companies since 2007, delivering IT knowledge and business acumen, seeking to transform the industries within which he works. David is also involved in the user group community, the Australian Computer Society technical advisory boards, and education.

How can you be sure your network is secure? Before you can patch vulnerabilities you need to discover them. You need to think like a cracker might. You need to hack your own system. This is known as “penetration testing” – a more palatable term to corporations – and the rich toolset of Linux makes it a superb platform for doing this.

Sunday, 12 August 2007 16:44

Hardening Linux

Linux is an enterprise-grade operating system and is capable of the utmost security. However, many installations fall short because the out-of-the-box setup routines have to cater to the lowest common denominator.

Monday, 06 August 2007 10:54

Run a Linux server farm for nix

One great thing about Linux is its rock-solid nature even when you load it up with as many daemons and services as you like. Yet, often “best practice” dictates you separate out some apps across a couple of servers or at the very least provide a safe development environment which is distinct from your production environment.




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