Re: [PLUG] Running out of disk space?

[Lynn Bradshaw via plug <plug@lists.phillylinux.org>]

I had no idea about the "-s" switch for "du" before, or the exact pipe
to "sort", so that's hugely useful new info, and I appreciate it. Does
it work with "-c" as well?

Nevertheless, there is a caveat: the wildcard "*" will omit "hidden"
files, at least in zsh or fish but probably also bash or whatever else
one likes to use. I missed things from using that asterisk character.
The period "." wildcard made more certain to cover everything.

Best,
Lynn Bradshaw

On Mon, Dec 20, 2021 at 12:52 PM Rich Freeman <r-plug@thefreemanclan.net> wrote:
>
> On Mon, Dec 20, 2021 at 12:30 PM Lynn Bradshaw via plug
> <plug@lists.phillylinux.org> wrote:
> >
> > * Use "du" with appropriate flags and current directories and show us the output
>
> Along those lines, two approaches I've found useful.
>
> First, if you're just trying to get a sense of where all your space is
> going and are running X then try kdirstat or baobab, and I'm sure
> there are alternatives.  This gives you more of a visual sense of how
> all the space is used.  It takes a long time to do the scan, but then
> you can navigate through it quickly as well.  (If you're on windows
> windirstat is very useful for doing the same.)
>
> When I'm on the command line or have a sense of where I'm looking for
> space use I use du.  A very useful way to go about this is to go into
> a directory you want to explore and run:
> du -sh * | sort -h
>
> That gives you a breakdown of how much space each subdirectory in the
> current directory contains.  It of course still takes a while to scan
> if those directories are large.  Instead of using * you can just list
> directories of interest.  This is useful if you're in the root and
> want to avoid looking in /usr or /lib or other places where you
> wouldn't want to directly manage space use, and those directories have
> lots of small files that slow things down.  The one exception I'd make
> to that is that you should keep an eye on /lib/modules depending on
> how your kernels are managed - you can accumulate a lot of old modules
> if you don't clean out old kernels.  Distros vary on how that is
> managed, or if it is managed at all.
>
> Places to keep an eye on are /var and /etc, and of course /home.  If
> you have temp directories not managed by a tmp cleaning solution those
> are obviously also worth looking at, though tmpfs usually ends up
> taking care of that if you use it.
>
> --
> Rich
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