October 2018
Beginner
794 pages
19h 23m
English
Content preview from Hands-On System Programming with Linux
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An Aside – LSM logs, Ftrace
(If you are not interested in this, feel free to skip over this section). The astute reader might wonder: how does one realize that it's the OS security layer (the LSM) that ultimately caused the system call to fail? Broadly, there are two ways: check the given LSM logs, or use the kernel's Ftrace functionality. The first way is simpler, but the second can give us insight at the level of the OS.
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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.