# tune2fs
# Adjust parameters of an ext2, ext3 or ext4 filesystem.
# May be used on mounted filesystems.
# More information: <https://manned.org/tune2fs>.
# Set the max number of counts before a filesystem is checked to 2:
tune2fs -c 2 /dev/sdXN
# Set the filesystem label to MY_LABEL:
tune2fs -L 'MY_LABEL' /dev/sdXN
# Enable discard and user-specified extended attributes for a filesystem:
tune2fs -o discard,user_xattr /dev/sdXN
# Enable journaling for a filesystem:
tune2fs -o^nobarrier /dev/sdXN
$
cheat.sh
tldr