December 2018
Beginner
826 pages
22h 54m
English
Content preview from Linux Administration Cookbook
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Determining running services
Whenever you get to a box, especially one you're unsure of (that's been tucked in the back of a cupboard somewhere blinking to itself), it's a good idea to find out what software is running on it.
On modern systems (2013-ish plus), this is accomplished with the systemctl command.
systemctl is the main control mechanism for any systemd system—literally "system control". Think of it as the human frontend to your initialization software (the first software to run on your box, which manages all others), allowing you to modify and investigate the running state of your computer.
Not only that, in the Unix/Linux world everything is a file; your network connections are a file, your programs are a file, your devices are ...
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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.