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The Debian System -- Concepts and Techniques The Debian System -- Concepts and Techniques
Martin F. Krafft Open Source Press / No Starch Press ISBN 3-937514-07-4 / 1-593270-69-0
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Faulty way of spawning sshd in single-user mode (page 299)

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Reported on: 2006-10-22

In chapter 6. Debian system administration on page 299:

In chapter 6.3.1, I suggest to add sshd to the /etc/inittab file to be able to login to a remote system even in single-user mode:

# sed -i -e "/^~~/ish:S:respawn:sshd -Do 'AllowUsers=root'" /etc/inittab

Unfortunately, there are two errors with this: first, sshd must be called with the complete path (to guard against trojans), and init must be told to reload the configuration file after the change.

The following corrects both problems:

# sed -i -e "/^~~/ish:S:respawn:/usr/sbin/sshd -Do 'AllowUsers=root'" /etc/inittab
# telinit q
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Chad Laity, Cariboo Computer Magazine: Kudos to Martin F. Krafft for putting together one excellent book about the concepts and techniques for the Debian Linux distribution. [...] This is one of those books that goes into complete detail about every aspect of the Debian project. A very well written book with examples and lots of information for any user that wants to learn more about the Debian project or use it as a resource alongside a standard Linux reference book to bootstrap your Linux experience with Debian. I give The Debian System - Concepts and Techniques a big two thumbs up and two toes up!!

 
 

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