April 2018
Beginner
398 pages
10h 11m
English
Content preview from Learn Docker - Fundamentals of Docker 18.x
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Logging
Once a distributed application is in production, it is not possible to debug it. But how can we then find out what exactly is the root cause of a malfunction of the application that has been reported by a user? The solution to this problem is to produce abundant and meaningful logging information. Developers need to instrument their application services in such a way that they output helpful information, such as when an error happens or a potentially unexpected or unwanted situation is encountered. Often, this information is output to STDOUT and STDERR, from where it is then collected by system daemons that write the information to local files or forward it to a central log aggregation service.
If there is sufficient information in ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.