How To Encrypt Drives Using LUKS In Fedora Linux
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How To Encrypt Drives Using LUKS In Fedora Linux
Encryption is a process of transforming data into an unreadable form that can only be accessed with a secret key or password. Encryption can protect your personal and sensitive data from unauthorized access, theft, or loss. One of the most popular and secure encryption methods is LUKS (Linux Unified Key Setup), which is a standard for disk encryption in Linux.
In this article, you will learn how to encrypt drives using LUKS in Fedora Linux, a popular and user-friendly Linux distribution. You will also learn how to mount and unmount encrypted drives, and how to backup and restore your encryption keys.
What You Need
Before you start encrypting your drives using LUKS in Fedora Linux, you will need the following:
A drive that you want to encrypt. It can be an internal or external hard drive, a USB flash drive, or an SD card. Make sure you have backed up any important data on the drive before encrypting it, as the encryption process will erase everything on it.
A Fedora Linux system with root access. You can use any version of Fedora Linux, but this tutorial is based on Fedora 34 Workstation.
A terminal emulator. You can use the default GNOME Terminal or any other terminal emulator of your choice.
How To Encrypt Drives Using LUKS In Fedora Linux
Follow these steps to encrypt your drives using LUKS in Fedora Linux:
Open a terminal emulator and run the following command to list all the available drives on your system:lsblkYou will see an output similar to this:Note the name of the drive that you want to encrypt. In this example, we will use /dev/sdb, which is a 16 GB USB flash drive.
Run the following command to create a LUKS partition on the drive:sudo cryptsetup luksFormat /dev/sdbYou will be asked to enter a passphrase for the encryption. Choose a strong and memorable passphrase, as you will need it every time you want to access the encrypted drive. You will also be asked to confirm the operation by typing YES in uppercase.The encryption process may take some time depending on the size and speed of your drive.
Run the following command to open the encrypted drive:sudo cryptsetup luksOpen /dev/sdb luks-driveYou will be asked to enter the passphrase that you set in the previous step. If you enter it correctly, the encrypted drive will be opened and mapped to /dev/mapper/luks-drive.
Run the following command to create a file system on the encrypted drive:sudo mkfs.ext4 /dev/mapper/luks-driveThis will format the encrypted drive with the ext4 file system, which is compatible with most Linux systems. You can also use other file systems such as FAT32 or NTFS if you want.
Run the following command to mount the encrypted drive:sudo mount /dev/mapper/luks-drive /mntThis will mount the encrypted drive to /mnt, which is a temporary mount point. You can also use another mount point of your choice, such as /media/luks-drive.
Congratulations! You have successfully encrypted your drive using LUKS in Fedora Linux. You can now use it as a normal drive and store your files on it. To unmount it, run the following command:sudo umount /mnt
To close the encrypted drive, run the following command: aa16f39245
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