the empty set

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Entries from David Roessli's Empty Set tagged with 'security'

Add a message to your login/lock screen

You never know when this tip will come in handy, but a friend's recent misfortune nudged me to share it here. If you ever forget, misplace or loose your MacBook, having your contact information on the lock screen my...

Trusting a Certificate with Keychain Access

This is by no means mission critical, but I have been plagued with a keychain certificate glitch ever since I migrated to my Mac Pro in August. Each time I opened it warned me that the certificate for one...

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Hello, my name is David Roessli. I am a freelance web designer and developer based in Geneva, Switzerland.

This weblog is an nth attempt to solve my multiple online personalities and weblog/rss feeds burnout issues. (more)


I have been contemplating the idea of upgrading my desktop Mac since this spring. The latest 27" iMac (Quad-Core) seemed the perfect candidate, but the release of Apple's 27" Monitor last September made me stick with the Mac Pro...


The autopsy of an iconic album cover picked up on A stacked graph of successive radio signals from pulsar CP 1919, in a 1977 astronomy encyclopedia that originated in a 1970 Ph.D. thesis. Fascinating <3...


Check out my latest Flickr ramblings. Mostly day to day cameraphone pictures stolen here and there.

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