this post was submitted on 06 Jun 2025
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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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I saw earlier you mentioned it's an Optiplex, so I'm assuming this is an onboard NIC.
I've never had an onboard NIC not work out-of-the-box in Linux. Wifi, sure, but usually just certain chipsets with proprietary/closed firmware. Dell usually uses Intel NICs and they're usually pretty solid and well supported.
Check to make sure that the NIC is enabled in BIOS.
If you have/had Windows on this PC, did it work there?
Does the NIC show in
lspci
orip a
?Try an external USB NIC. Or an internal PCIe one if you're comfortable with that.