Linux mount: Bind or Remount Part Of File Hierarchy At Another Directory

by on June 21, 2012 · 0 comments· LAST UPDATED July 16, 2012

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How do I mount the contents of /home/multimedia in two places under Linux operating systems?

If you are using Linux kernel v2.4.0+, you can remount part of the file hierarchy somewhere else using the following mount command syntax. This is useful for NFS servers in /exports. You must type the following commands as the root user. The syntax is

 
mount --bind /path/to/olddir /path/to/newdir
mount -B olddir newdir
 

The syntax for /etc/fstab entry is:

 
/olddir /newdir none bind
 

In this example, mount /home/multimedia/mp3 and /home/multimedia/videos as follows:
# mkdir -p /exports/{music,videos}
# mount --bind /home/multimedia/mp3 /exports/music
# mount --bind /home/multimedia/videos /exports/videos

Verify new settings:
# mount
# df -a
# mount | egrep -i --color 'music|videos'

Update /etc/fstabe file as follows:
# vi /etc/fstab
Append the following:

 
/home/multimedia/mp3 /exports/music none bind
/home/multimedia/videos /exports/videos
 

Save and close the file.

See also:
  • man page mount(8) command.
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