update: extundelete works well on ext3 but not on ext4. update: WHILE STILL POWERED ON IMMEDIATELY backup the ext4 journal to file on usb stick: debugfs -R “dump <8> /mount/usb-stick/sda.journal” /dev/sda (assuming sda is the drive where the deletion happened) … Continue reading GNU Linux – recover deleted files NTFS – undelete ext3 vs ext4 – rescue accidentally deleted data files – overwritten partition table – foremost – gpart