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You're reading from  The Linux DevOps Handbook

Product typeBook
Published inNov 2023
PublisherPackt
ISBN-139781803245669
Edition1st Edition
Concepts
DevOps
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Authors (2):
Damian Wojsław
Damian Wojsław
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Damian Wojsław

Damian Wojsław has been working in the IT industry since 2001. He specializes in administration and troubleshooting of Linux servers. Being a system operator and support engineer he has found DevOps philosophy a natural evolution of the way sysops work with developers and other members of the software team.
Read more about Damian Wojsław

Grzegorz Adamowicz
Grzegorz Adamowicz
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Grzegorz Adamowicz

Grzegorz Adamowicz has been working in the IT industry since 2006 in a number of positions, including Systems Administrator, Backend Developer (PHP, Python), Systems Architect and Site Reliability Engineer. Professionally was focused on building tools and automations inside projects he is involved in. He's also engaged with the professional community by organizing events like conferences and workshops. Grzegorz worked in many industries including Oil & Gas, Hotel, Fintech, DeFI, Automotive, Space and many more.
Read more about Grzegorz Adamowicz

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Secure Shell (SSH) protocol

In the DevOps world, almost nothing runs locally on your laptop or PC. There is one golden standard among ways to reach remote systems and it’s the SSH protocol. SSH was developed in 1995 as a secure, encrypted remote shell access tool that would replace plaintext utilities such as telnet or rsh. The main reason for this is that in distributed networks, it is too easy to eavesdrop on communication and anything that is being transmitted in open text can easily be intercepted. This includes important data such as login details.

The most commonly used SSH server (and the client) in the Linux world is OpenSSH (https://www.openssh.com/). Other open source servers that are still maintained at the time of writing are lsh (http://www.lysator.liu.se/~nisse/lsh/), wolfSSH (https://www.wolfssl.com/products/wolfssh/), and Dropbear (https://matt.ucc.asn.au/dropbear/dropbear.html).

SSH is mainly used to log into a remote machine to execute commands. But it...

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The Linux DevOps Handbook
Published in: Nov 2023Publisher: PacktISBN-13: 9781803245669
© 2023 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Damian Wojsław

Damian Wojsław has been working in the IT industry since 2001. He specializes in administration and troubleshooting of Linux servers. Being a system operator and support engineer he has found DevOps philosophy a natural evolution of the way sysops work with developers and other members of the software team.
Read more about Damian Wojsław

author image
Grzegorz Adamowicz

Grzegorz Adamowicz has been working in the IT industry since 2006 in a number of positions, including Systems Administrator, Backend Developer (PHP, Python), Systems Architect and Site Reliability Engineer. Professionally was focused on building tools and automations inside projects he is involved in. He's also engaged with the professional community by organizing events like conferences and workshops. Grzegorz worked in many industries including Oil & Gas, Hotel, Fintech, DeFI, Automotive, Space and many more.
Read more about Grzegorz Adamowicz

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