May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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check config
There are several types of checks presented by promtool. One of the most valuable is the check for the main configuration file for the Prometheus server.
check config expects a path to the Prometheus main configuration file and outputs its assessment of the validity of the configuration. When something is amiss, this subcommand can tell the user what the problem is: if it's a non-breaking issue, such as an empty discovery file, it will output a warning but permit promtool to exit with success; when it encounters breaking errors, such as incorrect syntax, it will output an error and will mark the check as a failure. Using the exit code returned by the tool – 0 for success and 1 for failure – is a great way to ensure configuration ...
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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.