September 2016
Intermediate to advanced
270 pages
5h 16m
English
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Cronjob imitating service
This one is a personal hatred of mine. A developer needs a service to run indefinitely, so they just enable a cronjob that never ends, or simply have a cronjob that operates incredibly frequently (such as once every few seconds).
A cronjob is a scheduled job that will run at a predetermined time. It's not something that operates services for you. Not only is this messy from an architectural perspective, but it scales horribly and becomes terrible to monitor.
A constantly processing task should be treated as a daemon and not as something that runs on the basis of a cronjob.
Monit is a tool in Linux systems that allows you to imitate services.
You can install Monit using the apt-get command:
sudo apt-get install monit
Once ...
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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.