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Install firmware using LEGO MindStorms
First, make sure you have EV3 software from LEGO. Once you have it launched up, go to Tools and select Firmware Update. Next to Online Updates, click Check. Then, click Browse. Select the firmware and then click Open. Connect (via USB) your LEGO creation. Under Firmware, click Download. Watch the progress. Once it’s done, you’ll…
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Packaging Logger Pro for Munki
Vernier, the company that produces Logger Pro, is quite generous in terms of its licensing. Schools can pay an affordable site license fee, and that includes the license for not only school computers but even for students to put it on their home computers (Logger Pro 3 site license allows your students to install Logger…
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Using MathType with a Mac guest account
The Problem I recently found our installations of MathType were working on regular and admin accounts on Macs but not on Guest accounts. When I’d log into a guest account, I’d get this error message: MathType Warning Errors (1) have been written to MathType’s log file: Macintosh HD:Users:Guest:Library:Logs:MathType 6.log. And then looking in the log…
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Fix for Mac OS X 10.10.5 breaking Apache
Problem If you have SSL enabled on an Apache server running on Mac OS X, you may have found that upgrading to 10.10.5 breaks your site, and your users cannot connect either via http or https. It turns out the update moves the certs and keys to a new folder, so references to those certs…
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Renaming a Mac hard drive from the command line
You know, if your hard drives are set to show as icons on the desktop, you can rename them by selecting them, hitting Enter, and then typing in a new name? If you want to script naming, you can also name from the command line. For example, if you want to rename the drive you’re…
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Default printer options for Mac OS X
If you ever want to script default printing options for OS X, these commands should help you out. User: Switching to a default printer instead of the last used printer By default, Mac OS X will make the default printer whatever printer was last used. If you’d like to change that setting for the user,…
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Packaging PowerTeacher Gradebook for Munki
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Modifying the Energy Saver “Put hard disks to sleep when possible” setting using the terminal
If you’re looking in Yosemite for where the Put hard disks to sleep when possible setting in Energy Saver lives, it’s in /Library/Preferences/SystemConfiguration/com.apple.PowerManagement.plist, so you can view with the command defaults read /Library/Preferences/SystemConfiguration/com.apple.PowerManagement.plist and you’ll see the value in “Disk Sleep Timer”, with 10 meaning the box is checked and 0 meaning it’s not checked.…
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Modifying the Energy Saver “Turn display off after” preferences in Yosemite using the terminal
What’s the problem? I’m shocked at how little straightforward documentation there is regarding where the Energy Saver settings (from System Preferences) are stored or how to modify them using the terminal. Where are the settings stored? Using opensnoop, I was able to track down that Energy Saver modifies this file: /Library/Preferences/SystemConfiguration/com.apple.PowerManagement.plist The main slider in…
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Setting a signature line for your SI e-mail – Apple Mail edition
If you’d like to set a signature for your SI e-mail and you use Apple’s Mail to view and read your e-mail, open Mail and choose Preferences from the Mail menu. Click Signatures at the top of the window. Click the + sign at the bottom of the middle column and give your new signature a name.…