this post was submitted on 16 Mar 2026
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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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Fedora desktop (any DE, and most desktop distros, for that matter) uses networkmanager to configure networks, because it is powerful and offers an API for DEs to configure networks, so as long as you have the drivers, networking will work the same. However, If I recall correctly, Gnome and KDE use the same frontend library for networkmanager, just with different GUIs, so they really are going to be the same, and they have for many years. Cosmic being new and rust based might have rolled its own frontend or used a different library, and it might not be as mature as what the other DEs use.
Try configuring your WiFi manually, editing networkmanager's config files directly, instead of the gui. And see if that work. I would even suggest straight up copying the config files produced by gnome or KDE.