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Kali Linux

Cannot resize filesystem

S System Medium

🔴 Error Message

resize2fs: Bad magic number in super-block

📖 What This Means

Wrong filesystem type for resize command.

🔧 Step-by-Step Fix

  1. Check filesystem: sudo blkid /dev/sdX
  2. For ext4: sudo resize2fs /dev/sdX1
  3. For LVM: sudo lvextend -l +100%FREE /dev/mapper/vg-lv && sudo resize2fs