- Lab
- A Cloud Guru
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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