This repository is a fork from https://gist.github.com/jamespamplin/7a803fd5be61d4f93e0c5dcdea3f99ee
The current kernel/drivers of Fedora 26 do not support the Wifi chip used on my iMac. Proprietary Broadcom drivers are packaged and available in the rpmfusion repo.
Verify that your card is a Broadcom using: lspci -vnn -d 14e4:
Sample output:
02:00.0 Network controller [0280]: Broadcom Corporation BCM4360 802.11ac Wireless Network Adapter [14e4:43a0] (rev 03)
sudo sh install.sh
Finally, reboot Fedora.
lsmodto list all kernel modulessudo modprobe wlwill force the wireless kernel extension to load.sudo systemctl restart NetworkManager