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: 

 

 Clearing Tmp Folder 

 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