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If you use Homebrew (and you should), eventually you may need to install XQuartz, "open-source effort to develop a version of the X.Org X Window System that runs on OS X. Together with supporting libraries and applications, it forms the X11.app that Apple has shipped with OS X since version 10.5."...

June 11th 2014 at 11:00am 0 Comments
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A few weeks ago I shared this on Twitter: "Here's an eye-opener: a @keyboardmaestro macro which takes a screenshot every 30 seconds. Review at the end of the day to see where it went." Since then, several people have asked me to share my setup (and a few said it terrified them). It took me a while t...

August 2nd 2013 at 9:00am 0 Comments
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Warning: command line geekiness ahead. When writing shell scripts, I often send interactive output to the user via echo to give feedback or information. But if the shell script is called on a schedule via OS X's behind-the-scenes process launcher launchd, rather than from a Terminal session, ch...

February 25th 2013 at 6:00pm 0 Comments
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Dropbox is a great tool, but if you use it on more than one computer, you are bound to find conflicted copies eventually. A conflicted copy is created when the same file is edited on two different computers at the same time, or close enough that Dropbox cannot tell which one is the newest. The...

February 20th 2013 at 8:00am 0 Comments
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Two years ago I wrote about a shell script that I used with cron to keep 'critical' applications running. Some of the commenters suggested that I "should" be using launchd. There are times when I still prefer cron over launchd but there are two reasons why I have started using launchd more often....

October 30th 2012 at 8:30pm 0 Comments
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Imagine if you rebooted your computer, and it automatically logged you in, launched all of your login apps, updated your Dropbox folder, MobileMe, email, RSS, Twitter and everything else without you even having to enter your password. That auto-login capability is built into your Mac, and in fact,...

March 7th 2011 at 11:00am 0 Comments
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In response to a Macworld article, TidBits' Chris Pepper elaborated on ways to run Software Update, Apple's means of delivering updates and patches, on your own schedule. Beginning with the fact that Software Update schedules its next update based on the time it's currently being run, setting the ti...

January 10th 2010 at 7:00pm 0 Comments
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Over at Macworld Rob Griffiths has a great column on automatically restarting a program after a crash. Although it is much more stable these days, for a while last year Quicksilver was constantly crashing on me and often I wouldn't notice until ??? + space was strangely unavailing. If there's any pr...

April 24th 2007 at 8:00am 0 Comments
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The fine folks at macresearch.org have put out an interesting tutorial that walks through setting up launchd and rsync to do automatic backups whenever a specific external drive is mounted. Loyal readers may note that this is similar to the core feature of Martian Lifeboat (which should not be confu...

December 25th 2006 at 11:00am 0 Comments