Linux Disk Usage

Linux has a few means to analyze a disk for space usage.

One way, is a package called, ncdu.

It can be downloaded with:

sudo apt install ncdu

You execute it, like this:

sudo ncdu -x /

NOTE: -x forces it to stay within the same filesystem, and not traverse other mounts.

You can add the -r switch, to make it read-only.

When run, it will iterate the filesystem, and create an interactive usage list, like this:

Ansible likes to push container images and other things into the /tmp folder of its host.

Here’s a quick command to clear temp files that are older than 10 days:

sudo find /tmp -type f -atime +10 -delete