If you used DSA keys to log in to your SSH server and have upgraded your client machine to macOS Sierra (or OSX Sierra if you like), you probably ran into this problem: [sourcecode language="text" gutter="false"] client$ ssh -p 8123 george@10.0.0.10 -i ~/.ssh/id_dsa Permission denied (publickey). …

A quick tip for OSX users out there who frequently need to open a Terminal window for the current location in the finder, or the other way around: Install the free application from the App Store: Go2Shell. It will give you an icon on the toolbar of your Finder, and pressing it will open a Terminal window and …

If you've just installed iOS7 and like it as much as I do, you are probably interested in all the new features of it, and where to find them. On behalf of Apple, I'll be happy to point out where all those neat new features are, and share my happiness about this wonderful new magical market-leading mobile OS. …

Dear Keith, I read your letter about Skitch and would like to respond to all that has happened from my end-user perspective. I am a long-time Evernote user and fan. Evernote changed note taking by being truly searchable. I can confidently drop all the websites, receipts, todos and ideas in there, and clear my mind of …

Have you ever started a shell script which takes a while and you keep monitoring that window because you really need those results? If you are working on a Mac, you can use the Mac's power of speech to tell you a command is finished. Here's how: [sourcecode language="bash" gutter="false"] …

http://www.youtube.com/watch?v=DZh4aSszD5k Today Steve Job's yacht was launched from a dock a few miles from my house. I went there with some friends and we shot some awesome footage of this incredible ship. Through the glass, we could see the 7 iMacs which are used to control the ship. There are also large doors on …

My sisters in law bought a beautiful 2006 Toyota Corolla Verso. They could not get the iPhone to pair with the car's Bluetooth system. The dealer told them that this was an iPhone problem, but after some fiddling, it turns out there is a simple workaround. If you want to pair an iPhone to your car, and the car says …

An informative article for webshop owners this time, all about how to make people blog about your company. Everything you need to know about online customers, the power of the internet, and how good old moral values still work and can be leveraged to your advantage. Or not. 1. Create a website (or two) The first step …

This weekend I tinkered around with Apple Keynote. I thought I'd make something useful. In this video I'm trying to show you how much money the bank makes on your mortgage. Banks like you to pay a low monthly fee on your mortgage because it keeps the loan higher for a longer period of time. This way the bank can cash …

True to their tradition on the Mac, the Calendar and Addressbook applications on the iPhone are, let's say "lacking finesse". As good as Apple can design products and user interfaces, their focus is clearly not on calendars and address books. I've read somewhere that "iCal is proof that Steve does not …