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I have a root partition and a home partition, on a dual boot system (windows)

I currently have 4.9GB available in my Ubuntu Desktop 22.04.2 LTS system after limiting my journal/ folder (Big /var/log/journal? following the information from Robert Pollak) to 200MB and also clearing out my snapd/ folder from unnecessary snaps.

I'm not certain if only having 4.9 GBs left over is what is expected or whether I should try to find what else is taking up space.

If I run:

sudo du -hx --max-depth=1 / 2> /dev/null

I get the following:

173M    /boot
16K /lost+found
84K /snap
4.0K    /cdrom
4.9G    /var
4.0K    /mnt
968M    /opt
7.4G    /usr
1.5M    /root
16K /media
236K    /tmp
18M /etc
14G /

Any insight would be appreciated. Thank you in advance

user3041883
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  • You've not provided any product/release specifics; but Ubuntu 17.10 Desktop & later systems (inc. Ubuntu 22.04 LTS Desktop) have a recommended 25GB for the minimum disk allocation; some users (myself included) require more than that 25GB minimum, others can do with less (don't add additional software, don't let upgrades accumulate etc) but don't forget 25GB was only the recommended minimum. We all use our systems differently & should accommodate the extra software we'll install in the future, if we release-upgrade (this needs free space) or just re-install to upgrade etc. – guiverc Feb 20 '23 at 21:56
  • You've tagged your question as related to the root user? That directory (/root/) is not usually allocated its on directory, is usually on KB or at most MB in size, thus exists on the / file-system. Why did you tag root user? It's disabled by default on a Ubuntu system (both desktop & server as you didn't specify which you're using). – guiverc Feb 20 '23 at 21:59
  • @guiverc sorry fro the late response, I wasn't getting email updates. – user3041883 May 03 '23 at 15:21
  • @guiverc (accidentally sent the above comment prematurely) What do you mean by "product/release specifics"? So based on your comment, having only 19.5 GB of space is a mistake on my part and should be increased to at least 25 GB. I'll investigate doing that. Could you also provide a link of where 25GB is the minimum root requirement? I can mark that as the solved answer.

    Ah, tagging as Root was, in hindsight, obviously incorrect. I meant to relate it to my root directory. I'll remove the root tag as well.

    I am using Ubuntu Desktop and not server. Thank you!

     – user3041883 May 03 '23 at 15:33
  • https://askubuntu.com/a/333796/158442 => https://ubuntu.com/download/desktop => "25 GB of free hard drive space" – muru May 03 '23 at 15:41
  • If you install a lot of programs, and don't want to ever worry about disk space, reinstall Ubuntu with ~50 GB root partition. – Archisman Panigrahi May 03 '23 at 17:14
  • https://help.ubuntu.com/community/Installation/SystemRequirements recommends 25GB for the minimum disk space for / for all releases of Ubuntu Desktop that used GNOME 3 (ie. 17.10 & later). Product & release would be Server|Desktop and release is the year.month detail such as 23.04 (2023-April release). Server systems have smaller minimums than Desktops, and for some products the release influences that too. Root directory is different to the /root directory don't forget (the latter being a user directory of the root user). 25GB is minimum; I'm one who adds software thus need 32GB+ – guiverc May 03 '23 at 22:30
  • @guiverc I tried to find the minimum Root partition storage requirements with no success, but it appears that the minimum storage requirements implicitly refers to Root. Is there a way for me to make your comment marked as the answer? – user3041883 May 06 '23 at 16:10
  • As this is a common duplicate question, and is likely to soon be closed as such, do not worry about the answer. The answers will be on the duplicate. – user535733 May 06 '23 at 17:21

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