Solutions to the problem of vulnerable missing firmware in Ubuntu

Question: potentially missing firmware/lib/firmware/RTL_ NIC/rtl8125a-3.fw for module r8169
1. Enter the following address, the firmware file is very comprehensive, and find the version suitable for you

2. Switch to the directory that just reported that there is no firmware, and there are few files in the download area

cd /lib/firmware/rtl_nic/
sudo wget

3. Check again

sudo update-initramfs -u

“21442;” 32771e;

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