October 2022
Intermediate to advanced
500 pages
19h 57m
English
book
Security Strategies in Linux Platforms and Applications, 3rd Edition
by Ric Messier, Michael Jang
Content preview from Security Strategies in Linux Platforms and Applications, 3rd Edition
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Authorizing Access with the Polkit
The polkit package, developed by the freedesktop.org group, is a way of solving the administrative permission problem. When programs need to temporarily escalate privileges, the polkit is a framework to provide the higher-level function without having to have the whole program gain administrative access.
The polkit is written with authentication agents and applications that use the authentication agents. There is an application programming interface (API) for the framework that allows applications to be written to use the polkit implementation. Where escalation of privileges works well on the command line with sudo or su, when it comes to graphical programs, there aren’t really the same mechanisms that work ...
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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.