Cloud & Networking
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You're reading from  Linux Networking Cookbook

Product typeBook
Published inJun 2016
Publisher
ISBN-139781785287916
Edition1st Edition
Tools
Ubuntu Server
Concepts
Networking
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Authors (2):
Agnello Dsouza
Agnello Dsouza
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Agnello Dsouza


Read more about Agnello Dsouza

Gregory Boyce
Gregory Boyce
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Gregory Boyce

Gregory Boyce is a technologist with nearly 20 years' experience using and managing Linux systems. When he's not at work or spending time with his wife and two daughters, he plays around with new technologies. Gregory has spent the last 15 years working at Akamai Technologies, where he has worked in roles ranging from Network Operations, Internal IT, Information Security, Software Testing, and Professional Services. Currently, he heads up the Linux OS team that manages Akamai's custom Linux operating system, which runs on their massively distributed customer-facing network.
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Installing OpenSSH

Our first option for remote access is the simplest, assuming that you just need to be able to remotely access a shell on your Linux system. All Linux distributions offer the ability to install a Secure Shell (SSH) server. The most common SSH server available is OpenSSH, which is distributed by the OpenBSD team. A lighter weight option called Dropbear is also available and is often found in embedded Linux platforms, such as OpenWRT.

How to do it…

Installing OpenSSH on a Linux system is very easy but the specifics on how to do it will depend on the Linux distribution that you are using.

Let's install SSH server in Debian/Ubuntu through the following command:

# sudo apt-get install ssh

For Fedora, CentOS, and other RedHat derivatives, it would be sudo yum install openssh-server.

Now, once OpenSSH is installed, anyone with network access to tcp port 22 on your system may attempt to log in to your system. If this machine is your firewall or if you forward port 22 from your firewall...

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Linux Networking Cookbook
Published in: Jun 2016Publisher: ISBN-13: 9781785287916
© 2016 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Agnello Dsouza


Read more about Agnello Dsouza

author image
Gregory Boyce

Gregory Boyce is a technologist with nearly 20 years' experience using and managing Linux systems. When he's not at work or spending time with his wife and two daughters, he plays around with new technologies. Gregory has spent the last 15 years working at Akamai Technologies, where he has worked in roles ranging from Network Operations, Internal IT, Information Security, Software Testing, and Professional Services. Currently, he heads up the Linux OS team that manages Akamai's custom Linux operating system, which runs on their massively distributed customer-facing network.
Read more about Gregory Boyce

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