Date: Tue, 4 Dec 2018 22:13:10 +0200 From: Esa Karkkainen <freebsd.lists@zxas.fi> To: Paul Schmehl <pschmehl_lists@tx.rr.com> Cc: freebsd-questions@freebsd.org Subject: Re: Files in / Message-ID: <20181204201310.GE52067@pp.htv.fi> In-Reply-To: <23558.33730.773326.914041@jerusalem.litteratus.org> References: <66B63BE11669F00AA754FE87@Pauls-MacBook-Pro.local> <FADEF472-E4FC-4C41-9572-940A6DC3DA4C@glasgow.ac.uk> <23558.33730.773326.914041@jerusalem.litteratus.org>
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On Tue, Dec 04, 2018 at 08:40:18AM -0500, Robert Huff wrote:
> And - if you're trying to track down what's gobbling disk space -
> try this, aimed at the suspect directory:
>
> du -k | sort -n -r | head -n 25
I'm using a variation of that
du -axk / | sort -rn
Which I usually redirect to a file, so I don't need to run the same
command again and again.
But I digress, the command will list every directory and file within
the / filesystem, Each directory will contain sum of the files within,
for example
# du -axk / | sort -rn | head -2
1860504 /
1761543 /boot
# df -k /
Filesystem 1024-blocks Used Avail Capacity Mounted on
tank/root 180339052 1860536 178478516 1% /
#
So df show usage of 1 860 536 KiB and df shows 1 860 504 KiB, difference
of 32 KiB, the numbers will not match exactly. In this case there is a
0.000018% difference between disk usage shown by df and du.
Second largest directory is /boot, sum of the file sizes within /boot
directory is 1 761 543 KiB.
The "du -axk" keeps du within one filesystem, so it will not wander to
other filesystems like /proc, possibly /var, if it is a separate
filesystem etc.
The "sort -rn" sorts the lines, using the first column, sort order is
largest to smallest number.
Regards,
Esa
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