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When tab-autocompleting in terminal, I'm getting the error:

-bash: cannot create temp file for here-document: No space left on device

This would appear to mean that /tmp/ is full, but it's mounted on my hard disk, which itself has lots of space left.

/tmp only contains one thing: a folder called /tmp/.mount_VCeNjK/. I can't find out anything about it, because even sudo and su can't chmod it, read it, umount it, rm it, or stat it. They complain about permissions and say that it's busy.

What can I do? I'm nothing without my autocomplete.

dessert
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Nat Weiland
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1 Answers1

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It's possible (although not common) for a ext4 file system to have remaining space but nothing reserved for inode meta data, essentially meaning the disk is "full" of a very large (millions) of small individual files.

You can run df -i to see the "IUse%" metric of a file system.

Kristopher Ives
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