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How to burn (write) an ISO image to USB drive in all new Mac OS X systems

There are many programs in the market that can handle it for you. But you can do it with default Mac OS X tools. Those steps must be made in terminal. You need to know what you are doing and have root password to your system. Here is your step by step guide to do it: 1. Convert your image. You need to change the image type from .iso to .img that dd util supports. To do this type a command like this: hdiutil convert -format UDRW -o /path/to/destination/file.img /path/to/source/file.iso You must see output similar to this: Reading Image File Name Here (Apple_UDF : 0)…... [ truncated ] ............................. Elapsed Time: 4m 57.725s Speed: 20.9Mbytes/sec Savings: 0.0% created: /path/to/image/file.img.dmg 2. Remove the .dmg extension. mv /path/to/image/file.img.dmg /path/to/image/file.img 3. Get your flash drive device name. You can do it in various ways. one that is using standard utils here: diskutil list This will list all your disks mounted...

Raspberry Pi boot applications Autorun

I had a problem with running required programs upon system startup. I had to set up hdparm utility each time system boots up. I have 2 external HDD's connected and require setting their sleep time for 10 minutes each boot. So setting this up. The answer is found at Debian administration guides.  I'll provide it in the end of the article. Here is my decision based on that: So to set up a program to run on system boot. (In fact one of the system run-levels). You can add it's name. But a good practice will be to add an  sh script with execution of this utility an all the parameters. Sample script is: #! /bin/sh # /etc/init.d/blah # # Some things that run always touch /var/lock/blah # Carry out specific functions when asked to by the system case " $1 " in start ) echo "Starting script blah " echo "Could do more here" ;; stop ) echo "Stopping script blah" echo "Could do more here...