install atheros AR9271 driver on Ubuntu

installer.sh

# Add this line in /etc/apt/sources.list
# deb http://httpredir.debian.org/debian/ jessie main contrib non-free
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 7638D0442B90D010
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CBF8D6FD518E17E1
sudo apt-get update --allow-unauthenticated
sudo apt-get install firmware-atheros
sudo dpkg -i --force-overwrite /var/cache/apt/archives/firmware-atheros_0.43_all.deb # if error says error processing archive /var/cache/apt/archives/firmware-atheros_0.43_all.deb
sudo apt -f install # to fix broken packages

i have no idea how, but u saved my ass. thanks!

Here dont work

@ardhi126 @ShanFell can help me?

i put the line in /etc/apt/sources.list

for anyone who comes across this it just needs to have the base repo and key updated. there is a gist for it here: https://gist.github.com/indeedhat/68c62e721f00ea0f29b87bcc81d747d4

unable to find package firmware-atheros ( show me how)