this post was submitted on 29 Oct 2023
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Dust is a rewrite of du (in rust obviously) that visualizes your directory tree and what percentage each file takes up. But it only prints as many files fit in your terminal height, so you see only the largest files. It's been a better experience that du, which isn't always easy to navigate to find big files (or atleast I'm not good at it.)

Anyway, found a log file at .local/state/nvim/log that was 70gb. I deleted it. Hope it doesn't bite me. Been pushing around 95% of disk space for a while so this was a huge win πŸ‘

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[–] netchami@sh.itjust.works 98 points 1 year ago (3 children)

I think something might be wrong with your Neovim if it aggregated 70 gigs of log files.

[–] Aatube@kbin.social 50 points 1 year ago (1 children)

don't worry, they've just been using neovim for 700 years, it'll be alright

[–] netchami@sh.itjust.works 6 points 1 year ago (1 children)

Sure, that's also a possibility. I'd be interested in their time machine though.

[–] nik282000@lemmy.ca 26 points 1 year ago (1 children)

So I found out that qbittorrent generates errors in a log whenever it tries to write to a disk that is full...

Everytime my disk was full I would clear out some old torrents, then all the pending log entries would write and the disk would be full again. The log was well over 50gb by the time I figured out that i'm an idiot. Hooray for having dedicated machines.

[–] netchami@sh.itjust.works 12 points 1 year ago

I once did something even dumber. When I was new to Linux and the CLI, I added a recursive line to my shell config that would add it self to the shell config. So I pretty much had exponential growth of my shell config and my shell would take ~20 seconds to start up before I found the broken code snippet.

[–] rutrum@lm.paradisus.day 1 points 1 year ago (1 children)

If you have ideas please let me know. I'm preparing to hop distros so I'm very tempted to ignore the problem, blame the old distro, and hope it doesn't happen again :)

[–] netchami@sh.itjust.works 3 points 1 year ago

I would have to look at the log file. Some plugin probably has an issue and writes massive amounts of data to the log every time you use Neovim. Monitor the growth of the log file and contact me via DM if it goes crazy again, I'm gonna try to figure out what's going on.

[–] anagram3k@lemmy.ml 77 points 1 year ago (12 children)

ncdu is the best utility for this type of thing. I use it all the time.

[–] oldfart@lemm.ee 17 points 1 year ago

I install ncdu on any machine I set up, because installing it when it's needed may be tricky

[–] dan@upvote.au 15 points 1 year ago* (last edited 1 year ago)

Try dua. It's like ncdu but uses multiple threads so it's a lot faster., especially on SSDs.

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[–] yote_zip@pawb.social 52 points 1 year ago

Try ncdu as well. No instructions needed, just run ncdu /path/to/your/directory.

[–] bizdelnick@lemmy.ml 36 points 1 year ago (5 children)

I usually use something like du -sh * | sort -hr | less, so you don't need to install anything on your machine.

[–] mvirts@lemmy.world 8 points 1 year ago

Same, but when it's real bad sort fails πŸ˜… for some reason my root is always hitting 100%

I usually go for du -hx | sort -h and rely on my terminal scroll back.

[–] meteokr@community.adiquaints.moe 5 points 1 year ago (1 children)

dust does more than what this script does, its a whole new tool. I find dust more human readable by default.

[–] bizdelnick@lemmy.ml 2 points 1 year ago (1 children)

Maybe, but I need it one time per year or so. It is not a task for which I want to install a separate tool.

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[–] digdilem@lemmy.ml 4 points 1 year ago* (last edited 1 year ago) (2 children)

Almost the same here. Well, du -shc *|sort -hr

I admin around three hundred linux servers and this is one of my most common tasks - although I use -shc as I like the total too, and don't bother with less as it's only the biggest files and dirs that I'm interested in and they show up last, so no need to scrollback.

When managing a lot of servers, the storage requirements when installing extra software is never trivial. (Although our storage does do very clever compression and it might recognise the duplication of the file even across many vm filesystems, I'm never quite sure that works as advertised on small files)

[–] dan@upvote.au 3 points 1 year ago (1 children)

I admin around three hundred linux servers

What do you use for management? Ansible? Puppet? Chef? Something else entirely?

[–] digdilem@lemmy.ml 3 points 1 year ago (1 children)

Main tool is Uyuni, but we use Ansible and AWX for building new vms, and adhoc ansible for some changes.

[–] dan@upvote.au 3 points 1 year ago* (last edited 1 year ago) (1 children)

Interesting; I hadn't heard of Uyuni before. Thanks for the info!

[–] cobra89@beehaw.org 1 points 1 year ago (1 children)

Seems it just runs Salt/Saltstack?

[–] digdilem@lemmy.ml 2 points 1 year ago (1 children)

Suse forked Redhat's Spacewalk just before it turned into Foreman + Katello.

Then worked an absolute crapload on it to turn it into a modern orchestrator. Part of that was to adopt salt as the agent interface, gradually getting rid of the creaking EL traditional client.

To say "it just runs salt" is to rather miss all the other stuff Uyuni does. Full repo and patch management, remote control, config management, builds, ansible playbook support, salt support, and just about everything else you need to manage hundreds of machines. Oh, and it does that for Rocky, RHEL, Alma, Suse, Ubuntu, Debian and probably a bunch more too, by now. Has a very rich webui, a full API and you can do a bunch more from the cli as well. And if your estate gets too big to manage with one machine, there are proxy agents, as many as you want. I only run a couple of hundred vms through it, but there are estates running thousands.

And it's free and foss.

Honestly, it's pretty awesome and I'm amazed it's not more widely known.

[–] cobra89@beehaw.org 2 points 1 year ago

Oh that's pretty nifty, thanks for the comment. Sorry wasn't trying to minimize the tool, I was simply referring to the orchestration/config management aspect of it when I looked it up real quick.

I used to be responsible for configurations of 40,000 (yes forty thousand) VMs for a large company using puppet and then later using Ansible and that was an interesting challenge. I've been out of the configuration management game for a few years now though so I'm pretty out of the loop. Was familiar with spacewalk back in the day too.

I'll have to check Uyuni out, thanks for sharing!

[–] pete_the_cat@lemmy.world 2 points 1 year ago (1 children)

We'd use du -xh --max-depth=1|sort -hr

[–] digdilem@lemmy.ml 1 points 1 year ago (1 children)

du -xh --max-depth=1|sort -hr

Interesting. Do you often deal with dirs on different filesystems?

[–] pete_the_cat@lemmy.world 1 points 1 year ago (1 children)

Yeah, I was a Linux System Admin/Engineering for MLB/Disney+ for 5 years. When I was an admin, one of our tasks was clearing out filled filesystems on hosts that alerted.

[–] digdilem@lemmy.ml 1 points 1 year ago (1 children)

Sounds pretty similar to what I do now - but never needed the -x. Guess that might be quicker when you're nested somewhere there is a bunch of nfs/smb stuff mounted in.

[–] pete_the_cat@lemmy.world 2 points 11 months ago

We'd do it from root (/) and drill down from there, it was usually /var/lib or /var/logs that was filling up, but occasionally someone would upload a 4.5 GB file to their home folder which has a quota of 5 GB.

Using ncdu would have been the best way, but that would require it being installed on about 7 thousand machines.

[–] lauha@lemmy.one 2 points 1 year ago (1 children)

Or head instead of less to get the top entries

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[–] caseyweederman@lemmy.ca 2 points 1 year ago

I'd say head -n25 instead of less since the offending files are probably near the top anyway

[–] jcdenton@lemy.lol 21 points 1 year ago

So like filelight?

[–] badloop@lemmy.world 21 points 1 year ago (1 children)

Yeah I got turned onto ncdu recently and I’ve been installing it on every vm I work on now

[–] Rambi@lemm.ee 9 points 1 year ago (1 children)

A 70gb log file?? Am I misunderstanding something or wouldn't that be hundreds of millions of lines

[–] Mo5560@feddit.de 8 points 1 year ago

I've definitely had to handle 30gb plain text files before so I am inclined to believe twice as much should be just as possible

[–] corsicanguppy@lemmy.ca 7 points 1 year ago

You guys aren't using du -sh ./{dir1,dir2} | sort -nh | head?

[–] mindbleach@sh.itjust.works 6 points 1 year ago (2 children)

I miss WinDirStat for seeing where all my hard drive space went. You can spot enormous files and folders full of ISOs at a glance.

For bit-for-bit duplicates (thanks, modern DownThemAll), use fdupes.

[–] lemmyingly@lemm.ee 4 points 1 year ago

If WizTree is available on Linux then I highly recommend it over all other alternatives.

It reads straight from the table and is done within a couple of seconds.

Filelight on linux

Squirreldisk on windows

Both libre

[–] donio@lemmy.world 6 points 1 year ago* (last edited 1 year ago)

Maybe other tools support this too but one thing I like about xdiskusage is that you can pipe regular du output into it. That means that I can run du on some remote host that doesn't have anything fancy installed, scp it back to my desktop and analyze it there. I can also pre-process the du output before feeding it into xdiskusage.

I also often work with textual du output directly, just sorting it by size is very often all I need to see.

[–] JetpackJackson@feddit.de 4 points 1 year ago

I use gdu and never had any issues like that with it

[–] Cysioland@lemmygrad.ml 2 points 1 year ago

Yeah, it helped me unblock my server where I ran out of space

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