February 2020
Intermediate to advanced
666 pages
15h 45m
English
Content preview from Mastering Linux Security and Hardening - Second Edition
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Questions
- When creating an ACL for a file in a shared directory, what must you first do to make the ACL effective? A. Remove all normal permissions from the file for everyone except for the user. B. Ensure that the file has the permissions value of 644 set. C. Ensure that everyone in the group has read/write permissions for the file. D. Ensure that the SUID permission is set for the file.
- What is the benefit of setting the SGID permission on a shared group directory? A. None. It's a security risk and should never be done. B. It prevents members of the group from deleting each others' files. C. It makes it so that each file that gets created within the directory will be associated with the group that's also associated with the directory. ...
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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.