Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/loop0       2765720 2393576    231652  92% /
udev              496568      12    496556   1% /dev
tmpfs             202148     796    201352   1% /run
none                5120       0      5120   0% /run/lock
none              505368      80    505288   1% /run/shm
/dev/sda7       13632464 8209984   5422480  61% /host
/dev/loop1       4031680 2452148   1374732  65% /usr

ThIs is the output of df command. How do I increase the avalable in dev/loop0 or may be resize it.


You can use sudo losetup /dev/loop0 to see what file the loopback device is attached to, then you can increase its size with, for example, sudo dd if=/dev/zero bs=1MiB of=/path/to/file conv=notrunc oflag=append count=xxx where xxx is the number of MiB you want to add. After that, sudo losetup -c /dev/loop0 and sudo resize2fs /dev/loop0 should make the new space available for use.

  • This made my ubuntu 14.04 system very unstable. – PaulD Feb 13 '17 at 16:55
  • if the file system is xfs try xfs_growfs instead of resize2fs. To identify if the file system of the loop device use blkid – Augustus Francis Sep 4 '18 at 20:58

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