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}}

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