With the advances in technology, faster data access (SSD), and slimming hardware footprints, legacy technologies are typically the first cuts made to get these devices thinner and lighter while making them more powerful and efficient. Installing OS X has never really been a particularly difficult task, but try doing that on a MacBook Air or a system with a broken optical drive.
Not so easy anymore is it? Even downloading the OS from the Mac App Store wouldn't do when the hard drive needs replacing or the Recovery Partition is corrupt. Luckily, Macs have a couple of options, specifically USB booting, and since most have an SD card slot, we can use those as well. Creating a USB Installer for Apple OS X 10.7-10.8 Before proceeding, we'll need the following items to complete the process:. 8GB USB Flash Drive (or SD Card).
Install OS X Mountain Lion.app (installer downloaded from Mac App Store). Apple computer with Mac App Store (OS X 10.6.8+).
User Account with Administrative privileges Follow these steps: 1. Using a Mac with at least OS X 10.6.8 installed, access the Mac App Store and download the Lion (10.7) or Mountain Lion (10.8) app installer. Insert the USB drive into the Mac and launch Disk Utility. Click on the USB drive from the left-hand menu and select the Partition tab.
Click the drop-down menu, selecting 1 partition. Select Mac OS Extended (Journaled) for the format-type from the drop-down menu. ( Figure A) 6. Click on the Options button and select the radio button for GUID Partition Table and click OK. ( Figure B) 7. Upon completion of the USB formatting, locate Install Mac OS X Mountain Lion.app (downloaded in step #1 to the Applications folder, by default).
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Right-click the file and select Show Package Contents. Navigate the file structure Contents Shared Support and drag the InstallESD.dmg file to the desktop. ( Figure D) 9.
Go back to Disk Utility and click on the newly formatted USB Drive in the menu, then click on the Restore tab. In the Source textbox, click the Image button and select the InstallESD.dmg file on your Desktop. For Destination, drag & drop the partition created on the USB drive onto the textbox. ( Figure E) 11. Upon verifying that the fields are correct, click the Restore button and select Erase from the application, if prompted to do so.
( Figure F) 12. The process may indicate in excess of one hour, but in my experience the process takes significantly less time to complete. ( Figure G) Creating a USB Installer for Apple OS X 10.5-10.6 The process is nearly identical, with a few alternate items to complete the process:. 8GB USB Flash Drive (or SD Card). Apple OS X Install DVD. Apple computer with (OS X 10.5+).
Built-in or USB Optical Drive. User account with Administrative access.Note: Install DVD must be the original DVD from Apple and not a Restore DVD that came with earlier model Apple computers & laptops. The process has not been tested with Restore DVDs and may not yield a reliable, OS X Installer USB. Insert Apple OS X Install DVD into Optical Drive. Launch Disk Utility and click on the OS X Install DVD from the left-hand menu.
Click on the Restore tab and verify that the Mac OS X Install DVD appears in the Source text box. Drag & drop the formatted USB drive partition to the Destination textbox. ( If you did not format the USB drive, please follow steps #2-6 from the 10.7/10.8 tutorial above) then continue on to step #5 below. ( Figure H). Upon verifying that the fields are correct, click the Restore button. Select Erase from the confirmation box, if prompted to do so.
If asked to authenticate, enter credentials that have administrator access and click OK to proceed. Since this scenario requires reading data from the optical drive, it may perform slower than reading files that are located on the hard drive. Once completed, the USB drive will be bootable and have the full installation of OS X on there to install from scratch and update systems, as needed. Remember, this being a writable drive offers some additional perks over read-only media with a few caveats as well. Pros:. Include additional resources on the drive that are required by your organization, such as Combo Updaters, applications or settings.
Backup directories prior to initializing the HDD and/or reinstalling OS X. Include multiple versions of OS X on the same drive. Cons:. Writable means live data can be subject to accidental deletion or corruption.
Read/Write speeds vary wildly depending on the make/model of the USB drive. Choose the highest read and write speeds for your particular application to minimize this bottleneck. Loss/theft of USB drives and any additional data, such as configurations, passwords, etc. That may be contained therein.Note: Feel free to include any additional files or folders to the existing drives, so long as the original file hierarchy is not modified in any way. This is important as the OS X installer is looking for specific files at specific locations during installation. A missing, modified or corrupt file could result in an unreliable installation. Multiple OS X versions on the same USB/SD card (Bonus) While writing this article, I found myself in a predicament - I only had a 8GB USB drive!
But luckily, I found a 16GB drive I'd lent my wife awhile back and decided to try to get the two versions of OS X encountered most frequently (10.7 & 10.8) onto the same 16GB USB drive. And it worked! To achieve this, you'll want to have a USB/SD card capable of holding all the OSs on drive. This means about 8GB of storage space per version of OS X. The steps are identical to the Creating a USB Installer for Apple OS X 10.7-10.8 tutorial listed above, except for two key differences. Instead of selecting '1' partition in step #4, you'll be selecting a number equal to the number of versions of OS X you'll be copying over.
If housing 10.5/10.6/10.7/10.8; 8GB x 4 versions of OS X = 32GB total; 4 partitions will then need to be created). The copying process (steps #9-12) will now need to be repeated once for each version of OS X being stored. Tip: By default, Disk Utility names the partition identical to the source 'Mac OS X Install DVD' in my case. While thoughtful, if working with multiple partitions, each will have the same name making them indistinguishable from the others. To resolve this, once the entire copy process has completed for all versions of OS X, the Finder will mount them all on the Desktop.
Go through each to identify which version of OS X is contained, then simply rename it to a common name, such as 10.7 for the Lion installer; 10.8 for Mountain Lion, etc. When booting to the USB/SD card by holding the Option key during start-up, the drives will mount with their new names making them easier to identify. Related Topics.
If you have Xcode 4.3 or newer the command line tools, such as make, are not installed by default. In Xcode preferences go to the 'Downloads' tab and under 'Components' push the 'Install' button next to 'Command Line Tools'. After you have successfully downloaded and installed the command line tools you should also type the following command in the Terminal to make sure all your Xcode command line tools are switched to use the 4.3 versions: sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer Once everything is successfully installed you should see make and other command line developer tools in /usr/bin.
OpenCV is the world’s most popular computer vision library and it’s used extensively by researchers and developers around the world. OpenCV has been around for a while now and they add something new and interesting with every new release.
One of the main additions of OpenCV 3 is “opencvcontrib” which contains a lot of cutting edge algorithms for feature descriptors, text detection, object tracking, shape matching, and so on. They have greatly improved Python support in this release as well.
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Since OpenCV is available on almost all the popular platforms, this version looks very promising. Let’s see how to install OpenCV 3 with Python support on Mac OS X. Prerequisites CMake: Make sure you have cmake. If you don’t, you can download it from. It’s a dmg file, so you can just download it and run the installer. Install Python using Homebrew: This is an important step!
Homebrew is a package manager for OS X that makes our lives easier in many different ways. Instead of using system Python, we need to use brewed Python (this is basically Python installed using Homebrew). If you don’t have Homebrew, you can install it using the following command: $ ruby - e '$(curl -fsSL Now that Homebrew is installed, let’s update it and install Python: $ brew update $ brew install python Open up your /.profile file and add the following line: export PATH=/usr/local/bin:$PATH We need to reload the file to update the environment variables.
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Run the following command to do it: $ source /.profile Let’s confirm that you are using brewed Python. Run the following command from your terminal: $ which python /usr/local/bin/python If you see “/usr/local/bin/python” printed on your terminal, you can proceed. Download OpenCV 3.0.0: You can download it from. Download “opencvcontrib”: As discussed earlier, we can use the latest computer vision algorithms from “opencvcontrib”. It is basically a repository that contains state of the art algorithms.
It was mainly written and produced by M.I.A. Planned sessions in the United States failed to occur, after M.I.A. Named the album after her mother, in contrast to her first album Arular, which was named after her father, and stated that her mother's struggles in life are a major theme of the recording. M.i.a kala rapidshare. She began recording the album in early 2006 and worked on the tracks in various locations around the world, including India, Jamaica, Australia, Liberia and Trinidad. And Switch, and features contributions from Timbaland, Diplo, Afrikan Boy and The Wilcannia Mob.
Bear in mind that some of them are not free for commercial use, but it is great tool to learn new algorithms. Download opencvcontrib from. Installation We are now ready to build. Hi Prateek, I did everything as instructed, but at the end it doesn’t work with C or Python.
When I try $ cd /path/to/opencv-3.0.0/samples/cpp $ g -ggdb `pkg-config –cflags –libs opencv3` opencvversion.cpp -o /tmp/opencvversion && /tmp/opencvversion I get this: -bash: pkg-config: command not found opencvversion.cpp:1:10: fatal error: ‘opencv2/core/utility.hpp’ file not found #include ^ 1 error generated. And when I try: python -c “import cv2; print cv2.version” I get: Traceback (most recent call last): File “”, line 1, in ImportError: No module named cv2 I have set DYLDLIBRARYPATH to “/path/to/opencv-3.0.0/build/lib” in my “/.profile” file and when I type “which python” I get /usr/local/bin/python as I should. If you could help me, I’d greatly appreciate it!
Once you install Yosemite, the file will automatically erase itself, so it's important to make a bootable drive first. If you want to install first and then make a bootable drive, make a copy of the installer app in another location so you can access it later.
Worst case scenario is downloading the large file again from the Mac App Store, but then why make a bootable drive? The Easiest Way: Use DiskMaker X By far the easiest way to create a bootable drive is to use the DiskMaker X application, which automates the entire process in the next method. To start out, download the newest version of DiskMaker X from. Currently, that's the. (Update: the public Yosemite version is out now, and you can download it from, or.) Once download, open it up and select 'Yosemite Beta' or 'Yosemite 10.10' (depending on the version you're using) to start the process. Then just follow the rest of the prompts to start the disk-making process. It could take anywhere from 15 minutes to to 45 minutes to finish, depending on your USB flash drive.
If it's more toward the latter, you might get a ' error, but it should still work, (it worked for me). The Less Easy Way: Format & Use Terminal If you're more comfortable with Terminal commands, this is the method for you.
Just make sure your USB drive is already formatted correctly before proceeding. To see how to correctly format your USB drive, please see Step #1 below in the 'The Hardest Way' section. With your USB drive ready to go, open up Terminal and type (or copy/paste) the following command.
sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/Yosemite -applicationpath /Applications/Install OS X Yosemite.app -nointeraction Note that you should replace the 'Yosemite' in 'Volumes/Yosemite' with whatever you named your USB drive. This should all be one line. After you get it in there, just hit the Enter key. Type in your admin password to continue and the Enter again. (You won't visibly see your password typing, but it's happening—believe me.) Now just wait.
This could be fairly quickly or very long, depending on your system and USB drive. The Hardest Way: Do Everything Manually If you don't want to use DiskMaker X or Terminal commands, this is another option for you. It's a lot more complicated, but gets the job done. Step 1: Reformat Your USB Drive First, make sure you have a USB flash drive that's at least 8 GBs in size, then mount it. Open up Disk Utility and do the following. Select the USB drive (not the partition). Go to the Partition tab.
Change the 'Partition Layout' to 1 Partition. Rename it Yosemite (or whatever you want). Select Mac OS Extended (Journaled) as the 'Format'. Click the Options. After your Finder reloads, the hidden files you once saw before should now be gone. Go ahead and close all of your windows, exit Terminal and Disk Utility, and eject your mounted disks to clean up your mess.
Installing Yosemite on Your Computer Now, it's time to test out your new drive. Restart your computer while holding the Option (Alt) key on your keyboard. Wait until the Startup Manager pops up, then select your new OS X Base System volume (or whatever your bootable drive is called). Alternatively, you can just hold down the C button while starting up to boot directly into the USB drive.
Troubleshooting Tips If the installation of Yosemite freezes, it's probably because your USB drive is corrupted in some way. This happened to me on the first couple tries, where it would freeze at 5 minutes left. The third USB stick I used was successful, and it took less than 15 minutes for Yosemite to boot up. If you're getting an Undefined error: 0 warning when trying to install, this more than likely means that you forgot to perform Step 6 above, so make sure to copy over those two BaseSystem files. If you got the 'AppleEvent timed out' error using DiskMaker X, more than likely it'll still work. Just eject the new drive and use it. If it doesn't work, try one of the other methods out to start over.
If you're not sure if you're going to like Yosemite over Mavericks, I would suggest and installing Yosemite there, that way if anything goes wrong, your Mavericks installation will still be untouched. Cover image via Take the Gadget Hacks Upgrade Quiz Related. Talk about the long way of achieving this! Very thorough tutorial but unnecessary. Assuming you have downloaded the BETA version of Yosemite, open up the installer from the Application folder, but do not proceed with the installer, just leave it open.
Then follow step 1 as per this tutorial. Once your USB drive has been formatted add copy and paste the following into Terminal: sudo /Applications/Install OS X Yosemite Beta.app/Contents/Resources/createinstallmedia -volume /Volumes/UNTITLED -applicationpath /Applications/Install OS X Yosemite Beta.app -nointeraction Where UNTITLED is the name of your formatted volums/USB drive e.g. Wait (a while, no really, you'll be waiting quite some time if you're not using USB 3.0 or Thunderbolt) and then you'll be ready to boot and clean install Yosemite BETA from your USB drive. Carry on from Step 8. No need for lengthy process of hiding.unhiding files.folders nor is there a need to drag and drop files/folders. Don't forget to backup!
Great tutorial and thanks for your hard work and for your generosity! I did the usb installation, i installed on the hard drive and when i tried to boot from hdd the boot process stops and the computer reboots. I used the flags: -s -x -f -v kext-dev-mode=1 KernelCache=No. I have a emachines E725, dual core T4400, 3 GB Ram, 320GB HDD, integrated graphic card Intel GM45, i don't know the type of the motherboard of this machines with windows 7, xubuntu 14.04 and mavericks 10.9.5 on it.
Please help me!
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