> > My solution is remove the kernel module (in my case it is ath5k.ko, as it > is > an Atheros card). Removing it with "rmmod ath5k", and when I need to use > it > again, I restart it using "modprobe ath5k". > > If you are wired connected, you can try "ifconfig eth0 down" or whatever > your > ethernet card is named (could be something like enp0s10 or similar, if you > are > using predictable names). >
No need to remove kernel module to shutdown interface, nor you need ifconfig. Use ` ip link set <interface_name> down` https://manpages.debian.org/unstable/iproute2/ip-link.8.en.html > >