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I tried removing a file. The most relevant answer can be found here, but I found no luck. Here is the original problem:

maxgitt@mgpc:~$ sudo rm -rf /var/lib/docker/
rm: cannot remove '/var/lib/docker/aufs': Device or resource busy

To locate the process I tried the following:

maxgitt@mgpc:~$ sudo lsof +D /var/lib/docker/
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
      Output information may be incomplete.

So I tried found in a comment in the above answer but found nothing,

maxgitt@mgpc:~$ /sbin/fuser -m /var/lib/docker/
bash: /sbin/fuser: No such file or directory

Even ps couldn't find the process

maxgitt@mgpc:~$ ps aux | grep docker
maxgitt   5349  0.0  0.0  14224  1024 pts/18   S+   15:21   0:00 grep --color=auto docker
maxgitt@mgpc:~$

Any help on how to kill this mysterious process would be great.

Max
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1 Answers1

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Its still mounted. I bet you see it if you run mount. If so run the following

# umount /var/lib/docker/aufs
# rm -rf /var/lib/docker
Mike
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  • so a mounted file system is completely separate from what is considered a running process? – Max Oct 05 '17 at 21:14
  • you can't delete a directory which has a mount hence the resource busy error.. be nice if it told you why it was busy – Mike Oct 05 '17 at 21:16