Have you ever thought of carrying your Mac OS on an external device and gain access to it at any time? If the reaction is yes, then you have arrived at the right post. We will be providing you with the information through which you can install macOS High Sierra on an external drive.
Part 1. How to Install macOS High Sierra on the External Drive
Before beginning the process, there are a few requisites that you must meet. You will need an external drive with a minimum capacity of 16 GB, and second, you will need the copy of the macOS High Sierra installer. You can obtain the installer from the App Store by searching for 'macOS' and download it to your Mac hard drive.
Step 1: Formatting the External Drive
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To allow the external drive to function as the startup disk, you need to format it to Mac OS Extended and employ GUID partition map. /gnuplot-for-os-x-109.html. Start the utility disk. You can find it under the Applications category or search it using Spotlight.
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As utility disk runs in the background, you can check for the format of the external drive. In the following example, the drive is in Master Boot Record format. First, unmount the drive. After unmounting, you can select the same drive from the left of the window as shown in the figure below. Now, from the tabs that appear in right window, choose 'Erase' option.
In the next window, you can now format the external drive as 'Mac OS Extended' and opt for GUID Partition Map. If you choose to, you can also give it a name. Press 'Erase' to proceed. After completion, you will see the following screen. Press 'Done' to proceed.
Step 2: Installing macOS High Sierra on the External Drive
After you complete the download of the macOS installer, double click the same from the Applications folder to begin the installation procedure. Press 'Continue' in the following screen.
Click 'Agree' to the accept license agreement. In the next window, press the 'Show all disks' option. The window will display the local drive and the connected external drive. Choose the external drive in this case. You will have to key in your system user name and password.
macOS High Sierra will begin installing on the selected external hard disk. It requires some time to complete the task. You can wait until the process is complete. Before it completes the installation, the Mac will restart. Therefore, it is preferable to save any other work that is in progress.
After restarting, the Mac will take a minimum of 15 minutes to complete the installation process. It will then reboot from the new device. You then have to proceed with the general process of activating Siri, time zone, and adding the user account. Once you complete these actions, you will possess the new version of macOS High Sierra on your external drive. Do not remove the external drive, as Mac OS will access the files on the drive periodically. You can now use the same every time you wish to use High Sierra.
Part 2. How to Use macOS High Sierra with the Bootable Hard Drive
As you now have macOS High Sierra in the form of bootable hard drive, you can use it with another compatible Mac or when the situation demands. However, remember that using the external device as a bootable drive will slow down the functioning of the system. More importantly, it is useful only when you are facing trouble with your existing internal drive of the Mac.
The following information will be helpful in case if you choose to use macOS High Sierra with the bootable hard drive:
Step 1: If there is a trouble with the current hard disk, and you wish to solve it or use the new version of the OS, then plug the bootable external drive to the Mac.
Step 2: Power on the machine and hold the option button until you notice the recovery screen appear. From the screen, you can choose the bootable external device that you have created.
Step 3: You will boot into the macOS High Sierra version for that particular session.
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Related Articles & Tips
Eclipse GDB MacOSX Mavericks (0)
I have had terrible problems making an Application Debug using Eclipse C/C++ project with XCode 5.0 and I have finally made it. I have finally been able to successfully debug my application and that's why I decided to make this little tutorial hoping to save time to others.
When trying to debug and application written in C/C++ on Eclipse on Mavericks OS it comes up with 'Error gdb -- version'.
This is because Eclipse cannot find GDB debug on new Mac OSX because Apple discontinues GDB support in place of LLDB. To check if this is your case simply try to run from Terminal gdb and it will show up as file not found.
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The problem is that LLDB is not configured for Eclipse yet (or the other way around). So how to make your Eclipse debug the application again as in previous 10.8 OS?
First get and compile the GDB. You have two possible options:
- Macports (Unfortunately, the Mavericks release got stuck in Building getext library)
- Homebrew
My suggestion is to get it from Homebrew. Check on their web site the download link and install using
Let it install. After it successfully installed GDB you need to sign a certificate to make Eclipse able to use GDB otherwise it will show up the error:
Unable to find Mach task port for process-id 28885: (os/kern) failure (0x5). (please check gdb is codesigned - see taskgated(8))
This means Eclipse can find the GDB now but cannot run it because of the Apple certificates issue.
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To sign the GDB application and make it possible that Eclipse runs it follow the guide here:
which can be summarized in:
- Start Keychain Access application (/Applications/Utilities/Keychain Access.app)
Open menu /Keychain Access/Certificate Assistant/Create a Certificate (TOP MENU BAR)
Choose a name (gdb-cert in the example)3.1 Set 'Identity Type' to 'Self Signed Root' 3.2 Set 'Certificate Type' to 'Code Signing' 3.3 Check the flag 'Let me override defaults' 3.4 Click several times on 'Continue' until you get to the 'Specify a Location For The Certificate screen' then set Keychain to 'System'3.5 If you can't store the certificate in the 'System' keychain, create it in the 'login' keychain, then export it. You can then import it into the 'System' keychain.3.6 Make sure you have the 'gdb-cert' in your 'System' (left top window)
Select 'Get Info' by pressing twice on the fresh made certificate (gdb-cert),
- Open the 'Trus't item, and set 'Code Signing to Always Trust'
- Close Keychain Access application
- Restart 'taskgated' application from activity monitor
Now you need to sign the Certificated by doing from terminal
Example: /stremio-for-mac-os-x.html.
You are all set now.. ready to debug you C/C++ application on Eclipse on MacOSX Mavericks
Make sure you have all set properly once again double check on Eclipse Menu Run->Debug Configuration->Debugger the line : GDB Debugger -> /usr/local/bin/gdb (or your local path, check it with '$ which gdb' to get the correct path)GDB Command file-> .gdbinit
Apple let GDB installed on the Mavericks but they like people squash their heads on the wall before doing a simple Hallo World program. No comment.
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Have Fun and I hope to have saved you time!