LPIC-2 certification
this post was submitted on 30 Mar 2024
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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A kernel that fits my hardware and supports things the original kernel doesn't. Then again, i use gentoo.
What did the original kernel not support?
Having / on ZFS, but that went into an initrd i think... don't remember, but not hardware related.
Better access to tools like ebpf and xdp.
I'm running a custom kernel on my Arch laptop. It's a little faster, a little smaller and a little quite more secure. I'm also running custom kernel which enables adiantum encryption on old phone with postmarketOS.
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Filesystem level encryption enabled on RHEL. For some damn reason, they turn it off in their kernel.