To boot from your external Sierra drive, plug it into the Mac in question, press the power button, and hold the “Option key until the recovery disk screen appears. From there, you can select your external drive and click the arrow to boot into it for that session. You’ll boot into your macOS Sierra installation where you can use it as normal. Rioddas External CD Drive, USB 3.0 Portable CD/DVD +/-RW Drive Slim DVD/CD ROM Rewriter Burner Compatible with Laptop Desktop PC Windows Linux OS Apple Mac(Black) 4.3 out of 5 stars 6,422 $27.99 $ 27. 99 $29.99 $29.99. Download the macOS Sierra installer and Disk Creator. Insert an 8GB (or larger) flash drive. If you have any other data on that flash drive, back it up now, because the installer will delete.
Virtual drive mac os x. These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.
Download macOS
Find the appropriate download link in the upgrade instructions for each macOS version:
macOS Catalina, macOS Mojave, ormacOS High Sierra
Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. If the installer opens after downloading, quit it without continuing installation. Important: To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
OS X El Capitan
El Capitan downloads as a disk image. https://renewinternational.weebly.com/m4a-to-mp3-app-mac.html. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer. Use the 'createinstallmedia' command in Terminal
* If your Mac is using macOS Sierra or earlier, include the
--applicationpath argument, similar to the way this argument is used in the command for El Capitan.
Use the bootable installer
After creating the bootable installer, follow these steps to use it:
Learn more
For more information about the
createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal:
Catalina:
Mojave:
High Sierra:
El Capitan:
So you have some files that you don’t want anyone accessing. Your Mac is already pretty secure, but what happens when you want to encrypt a USB drive?
This is where disk encryption comes in. Mac apps to get screencaps from video. Basically, it’ll keep your USB thumb drive safe by encrypting the data on it and requiring a password to access it.
You may not know this, but macOS actually has a few built-in USB encryption features baked into its software — letting you encrypt and decrypt USB drives and other storage media on the fly. Here’s how to use them.
Contents
Download Mac Os SierraRelated:Use Finder to encrypt USB drives on MacBook![]() ![]()
As of macOS Mojave, you can easily encrypt and decrypt generic mass storage devices on-the-go using Finder.
Hp scanjet 2400 driver mac os x. This uses XTS-AES encryption, which is the same type of encryption that the macOS FileVault 2 system uses. Keep in mind that using Finder to encrypt a thumb drive will restrict its usage to macOS. You won’t be able to access the data on it on a Windows or Linux machine.
Finder will then encrypt your thumb drive. Depending on how much data is on it, the process could take a while.
To access the contents of the thumb drive, you’ll need to input the password that you created earlier. There’s absolutely no way to reset this password, so make sure you write it down in a safe place or use a password management platform.
Note: If you don’t see the Encrypt option when you right-click the thumb drive, it means that the USB storage device isn’t in the proper format to use the baked-in macOS encryption. You’ll need to use the following method to encrypt your drive.
Leverage Disk Utility on macOS to encrypt USB drives
As we covered, if you don’t see the Encrypt option, it means that your USB device hasn’t been formatted with a GUID partition map — which is a requirement for Finder encryption.
To get the encryption option, you’ll need to erase your thumb drive and then encrypt it in Disk Utility. Of course, make sure to copy all of the data from your USB drive to a safe location. Somewhere on your Mac’s internal disk is a good option. Once your data is somewhere safe, you can go about actually erasing and encrypting your flash drive.
From here, you’ll be prompted to input a password and hint again. Like with the Finder method, you’ll want to keep this in a safe place because there’s no option to reset it. When you’re done, click on Erase.
When all is said and done, copy all of the data that was originally on your thumb drive back from the safe location. Once it’s on the drive, it’ll automatically be encrypted and password-protected.
Mac Os Sierra CompatibilityAlternate method
Alternatively, you can also set the Format to Mac OS Extended (Journaled) and the Scheme to GUID Partition Map. This won’t encrypt your USB drive within Disk Utility, but it will allow you to encrypt it using the simple Finder method.
This may be the preferred option if you don’t want to commit to an encrypted drive and password immediately, but you want to be able to encrypt your storage medium on-the-go later on using Finder.
USB drive encryption that works with Windows PC and Mac
The above two methods will make sure that your data is safe and protected no matter what happens. But, of course, they’ll only work on macOS devices. This is because the Mac OS Extended format, true to its name, is only compatible with Apple computers.
If you need to access your data from a Windows PC or a Linux machine, then you’ll want to opt for a third-party encryption solution. A couple of high-quality options are DiskCryptor and VeraCrypt.
They’re both completely free to use and open source, but they don’t skimp on the encryption quality. In fact, both apps offer a variety of different encryption options — such as AES, Twofish and Serpent.
You can’t go wrong with either. They’re both also fairly simple to use, so we’ll refrain from offering any in-depth instructions on how to encrypt using them. Just make sure to encrypt your drive using a Windows- or Linux-compatible format like FAT32.
For more information, you can visit their respective websites.
If you use USB drives to carry information, it is always a good idea to encrypt the drive so that your privacy and security is protected in the case you lose the drive. This is particularly true if you use thumb drives to store personal photos or contract documents etc. We hope that you find these tips helpful. Please let us know in the comments below if you have any questions for us.
Mike is a freelance journalist from San Diego, California.
While he primarily covers Apple and consumer technology, he has past experience writing about public safety, local government, and education for a variety of publications.
He’s worn quite a few hats in the journalism field, including writer, editor, and news designer.
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