Tricky Tips Debian: Installing model firmware realtek 8811CU wifi usb hotspot


 Installing model firmware realtek 8811CU wifi usb hotspot


 

After relatively long time trying to install my USB hotspot wifi I found the page.

 

 

 

First:
sudo apt-get install git
sudo apt-get install dkms

Then:
nano /etc/apt/sources.list


update the lines:
deb http://deb.debian.org/debian buster main contrib non-free
deb-src http://deb.debian.org/debian buster main contrib non-free
deb http://deb.debian.org/debian-security/ buster/updates main contrib non-free
deb-src http://deb.debian.org/debian-security/ buster/updates main contrib non-free
deb http://deb.debian.org/debian buster-updates main contrib non-free
deb-src http://deb.debian.org/debian buster-updates main contrib non-free

renew update:
sudo apt-get update

check your kernel type:
uname -r
(answer->resultkernel)

sudo apt-get install linux-headers-resultkernel
(i.e.: sudo apt-get install linux-headers-5.10.0-15-amd64)

Clone the Realtek driver source project:
git clone https://github.com/brektrou/rtl8821CU.git

compile the clone:
cd rtl8821CU
chmod +x dkms-install.sh
sudo ./dkms-install.sh

sudo modprobe 8821cu

Opening Network-manager, WiFi appeared in the list of possible network types, and when I opened it, it showed me the list of available hotspots.

source: https://unix.stackexchange.com/questions/675224/0bdac811-realtek-not-recognized

https://github.com/brektrou/rtl8821CU

G.Cerbero @2024

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