Each of these items will have a corresponding UUID associated with it. The output of this command will look like a hierarchical tree that shows the physical drives involved, the logical volume family created from these drives, and then the logical volumes themselves that are on these drives. To do this, first open the Terminal and get a listing of the encrypted disk devices by running the following command: Click the image for a larger view.Īs with most disk management operations, changing the encrypted disk's password can also be done using Terminal commands, for if you only have access to a system via SSH or Single User mode. Using the Terminal, be sure the UUID is the one for the Logical Volume (underlined in blue). Then go to the File menu and choose "Change Password," and you should be presented with a standard new password prompt that requests that you enter the old password and then the new password twice, and provide an optional password hint. Open the Disk Utility program in the Applications > Utilities folder, and then select your encrypted volume in the sidebar. You can change a password by first decrypting the volume and then encrypting it again, but this will take a while for drives with large numbers of files on them.Ĭhanging a password for an encrypted volume can be done without having to wait for it to decrypt and then encrypt again. These features are convenient, but if you wish to change the password for an encrypted drive, you will find that this feature is not available along with the options for encrypting. Selecting "Change Password" from the File menu will show the standard new password prompt. Furthermore, you can encrypt or decrypt any secondary volume by right-clicking it and choosing the option to do so, or by using the Terminal. While you can store files in an encrypted disk image, you can also use FileVault to encrypt your boot drive.
#CHANGE WIFI PASSWORD MAC OS X MAC OS X#
Do so correctly and suddenly that blank text field has the Tod’s network password:Īnd that’s how you recover a lost wifi password on Mac OS X 10.7 Lion.With data security being an all-too-common concern, the options for encrypting data in OS X are welcome additions that are quite easy to implement. For security reasons you’ll need to enter your Mac administrative password. Bit of a UI gaffe, but you’ll see, it’ll show up!) Don’t worry, Keychain has the data stored, it’s just not showing it yet. Now all you need to do is check the box adjacent to “Show password” (though it’s a bit confusing that the field adjacent to that is blank.
#CHANGE WIFI PASSWORD MAC OS X FULL#
The results:Ĭlicking on the “i” info button on the bottom of the page brings up a full Keychain record for Tod’s: I’ll recover the password for a local café called Tod’s by searching for “Tod”. Use the built-in search function to enter the ssid or name of the wireless network whose password you want to recover. The new place to recover the wifi password is in an Apple utility called Keychain Access, and you can find it - ingeniously - in the “Utilities” folder within your “Applications” folder. I know, sounds obvious, but you’d be surprised at the email and questions I get, the requests to point people to hacking tools, etc.
If you don’t know it, you won’t be able to recover it. I expect that it’ll also be true in 10.8, so it’s time to learn the new, fancier way to recover a wifi password.Īs with the original approach, this only works if you already have the password to the desired network stored on your computer. You’re right that the old trick of double-clicking on a network entry in your Networks system preference no longer works in the latest generation of Mac OS X, 10.7 Lion.
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