Debian缺少无线网卡ath9k固件

1.查看硬件信息
lspic -v

01:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network Adapter (rev 01)
    Subsystem: Qualcomm Atheros AR9485 Wireless Network Adapter
    Flags: bus master, fast devsel, latency 0, IRQ 16
    Memory at f7100000 (64-bit, non-prefetchable) [size=512K]
    Expansion ROM at f7180000 [disabled] [size=64K]
    Capabilities: [40] Power Management version 2
    Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+
    Capabilities: [70] Express Endpoint, MSI 00
    Capabilities: [100] Advanced Error Reporting
    Capabilities: [140] Virtual Channel
    Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
    Kernel driver in use: ath9k
    Kernel modules: ath9k

固件为ath9k

2.去Debian官网搜索固件

https://wiki.debian.org/ath9k_htc#Installation

根据官网提供的方法操作

3. 配置apt源

打开/etc/apt/sources.list

在末尾附加

# Debian 8 "Jessie"
deb http://httpredir.debian.org/debian/ jessie main contrib non-free

4.更新并下载固件

apt-get update && apt-get install firmware-atheros