November 2015
Beginner
260 pages
6h 10m
English
Content preview from Mastering Linux Network AdministrationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Installing and configuring OpenSSH
OpenSSH comes in two pieces, the client application and the server application. It's likely that the client application is installed by default in your distribution. The client allows you to connect to other nodes via SSH, but having the client alone doesn't allow others to connect to you. If you want to access a machine via SSH, that machine must also have the SSH server application installed. Your chosen distribution may have the server application installed by default, but most don't. This is due to security—unless you absolutely need to have an application running and listening for connections, it should be absent. The fewer applications, the smaller the attack surface someone could use against you.
In Debian, ...
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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.