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I have a directory, /var/lib/docker, which contains several subdirectories:
/var/lib/docker$ sudo ls
aufs containers image network plugins swarm tmp trust volumes
I'd like to find out how big each directory is. However, using the du command as follows,
/var/lib/docker$ sudo du -csh .
15G .
15G total
I don't see the 'breakdown' for each directory. In the examples I've seen in http://www.tecmint.com/check-linux-disk-usage-of-files-and-directories/, however, it seems that I should see it. How might I obtain this overview to see which directory is taking up the most space?
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Linux command to check disk space using:df command – Shows the amount of disk space used and available on Linux file systems. du command – Display the amount of disk space used by the specified files and for each subdirectory.
To get the total size of a directory in Linux, you can use the du (disk-usage) command. In this article, we'll take a look at some of the most common usages of the du commands, including but not limited to du -sh , du -ch , and du --max-depth .
The du command with the options -s (–summarize) and -h (–human-readable) can be used to find out how much disk space a directory is consuming.
If you name one or more directories on the command line, ls will list each one. The -R (uppercase R) option lists all subdirectories, recursively. That shows you the whole directory tree starting at the current directory (or the directories you name on the command line).
Use asterisk to get info for each directory, like this:
sudo du -hs *
It will output something like the below:
0 backup
0 bin
70M boot
0 cfg
8.0K data
0 dev
140K docs
ncdu is also a nice way to analyze disk usage. It allows to quickly navigate through subdirectories and identify largest directories and files.
It should be available in most distributions official repositories.
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