April 2018
Beginner
398 pages
10h 11m
English
Content preview from Learn Docker - Fundamentals of Docker 18.x
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Listing resource consumption
Over time, a Docker host can accumulate quite a bit of resources such as images, containers, and volumes in memory and on disk. As in every good household, we should keep our environment clean and free unused resources to reclaim space. Otherwise, there will come the moment when Docker does not allow us to add any more new resources, meaning actions such as pulling an image can fail due to lack of available space on disk or in memory.
The Docker CLI provides a handy little system command that lists how much resources currently are used on our system and how much of this space can possibly be reclaimed. The command is:
$ docker system df
If you execute this command on your system, you should see an output similar ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.