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Fix This Broken Stacked Encrypted Linux Filesystem
In this activity you will resolve an issue that prevents the creation of an encrypted filesystem using eCryptfs. You are working as a Systems Administrator and have been tasked with creating an encrypted filesystem using eCryptFS. However, when you attempt to mount the filesystem you receive the following error: ``` ...unknown filesystem type 'ecryptfs'. ``` Resolve this error and mount the filesystem.
Path Info
Table of Contents
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Challenge
Identify the Issue and Resolve It
Is the kernel module installed? Check with this:
lsmod | grep ecryptfsIf not, load it:
modprobe ecryptfs -
Challenge
Create the Cipher Directory and Mount Point
Create the cipher directory to hold encrypted data:
mkdir secret-encCreate the mount point to access unencrypted data:
mkdir secret -
Challenge
Add Your Passphrase to the Kernel Keyring
ecryptfs-add-passphrase export KSIG= -
Challenge
Mount the Encrypted Filesystem
Substitute the key signature from the
ecryptfs-add-passphrasecommand:echo $KSIG sudo mount -i -t ecryptfs secret-enc/ secret/ -o ecryptfs_sig=$KSIG,ecryptfs_fnek_sig=$KSIG,ecryptfs_cipher=aes,ecryptfs_key_bytes=32,ecryptfs_unlink_sigs
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