∅ 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 Mail.app it warned me that the certificate for one...


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About

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)

Words

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...

Music

The autopsy of an iconic album cover picked up on Kottke.org. 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...

Pictures

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


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