参考这里:https://wiki.debian.org/iwlwifi
Debian 9 "Stretch"
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Add a "non-free" component to /etc/apt/sources.list, for example:
# Debian 9 "Stretch"
deb http://httpredir.debian.org/debian/ stretch main contrib non-free
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Update the list of available packages and install the firmware-iwlwifi package:
sudo apt-get update sudo apt-get install firmware-iwlwifi
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As the iwlwifi module is automatically loaded for supported devices, reinsert this module to access installed firmware:
su - modprobe -r iwlwifi modprobe iwlwifi
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Configure your wireless interface as appropriate.
Debian 8 "Jessie"
1. Add a "non-free" component to /etc/apt/sources.list, for example:
# Debian 8 "Jessie"
deb http://httpredir.debian.org/debian/ jessie main contrib non-free
2. Update the list of available packages and install the firmware-iwlwifi package
apt-get update && apt-get install firmware-iwlwifi
-
As the iwlwifi module is automatically loaded for supported devices, reinsert this module to access installed firmware:
su - modprobe -r iwlwifi modprobe iwlwifi