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Checking HDD SMART Status on OS X

On OS X the overall SMART Status of a hard drive can be checked in the Disk Utility. If the drive is failing, it will be displayed in red. The following screenshot shows such a failing drive:       …

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Installing Lubuntu on the Banana Pi

Installing Lubuntu on the¬†Banana Pi using MacOS Download the Lubuntu image from¬†http://www.lemaker.org/resources/9-38/image_files.html and extract it. On a Macbook Pro with an integrated card reader the image can be copied to an SD card as follows: Insert the SD card into …

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Compiling & Running Java Code on Mac OS

This is just a little reminder on how Java code looks like and how it is compiled and executed. I’m running OS X 10.10 and I have the Java for OS X 2014-001 package installed — not sure if this …

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Creating an OS X Installation Partition

If you want to format your Mac’s hard drive to completely re-install OS X you usually need a DVD-ROM or a USB stick to install from. Another option is to create an extra partition on your hard drive to store …

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Changing The Background Of All Desktops On Mac OS

On Mac OS it is not possible to change the desktop background for all desktops at once. Instead, one has to manually configure the background on every single desktop which is quite annoying. I have written a little AppleScript which …

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Network Monitoring With A Bash Script

To perform some basic network monitoring tasks without installing any software like Nagios, you can just run a bash script on your workstation. I have written a little script that checks my hosts by periodically sending pings and port checks. …

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Installing Raspbian & Raspberry Notes

Installing Raspbian on the Raspberry PI using MacOS Download the Raspbian image from http://www.raspberrypi.org/downloads and extract it. On a Macbook Pro with an integrated card reader the image can be copied to an SD card as follows: Insert the SD …

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Data Recovery With Foremost & Scalpel

Foremost is a small, easy to use tool that can recover deleted or lost files from storage devices and disk images. It has built-in support for the following filetypes: avi bmp dll doc docx exe gif htm jar jpg mbd …

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Testing A Network Connection with Iperf

Iperf is a nice little tool to measure networking performance/bandwidth. You need two computers for this. One is acting as the server listening for incoming connections. The other one is the client that connects to the server. If the connection …

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Stop iTunes From Launching When Using Media Keys

If you don’t use iTunes to play your music but an alternate media player (I recommend Cog) it might get very annoying that iTunes launches everytime you press your play/pause media key. There is a little but useful hack to …

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