this post was submitted on 27 Jul 2024
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Linux
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From Wikipedia, the free encyclopedia
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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Yes, because you're already familiar with the command line. But for a job in the professional Linux world, also try out RHEL (not Fedora), and familiarize yourself with best practices in patch management. There's a lot more to it than just dnf upgrade if you have applications depending on specific versions of packages, CVEs need to be mitigated ASAP, downtime needs to be minimized and reverting a borked upgrade (including the installed database) needs to work 100%.
Also, get familiar with containerization, SELinux, VMWare hypervisors, a version control system, the LAMP stack and Samba.
Good advice here, although I would recommend going for debian instead, get a grasp how different package managers in linux do the same thing.