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postmarketOS

updated 2021-10-27


postmarketOS is based on Alpine Linux and this site's knowledge article for Alpine applies to postmarketOS as well.

Random MAC address generation on Wifi

By default, postmarketOS will generate a random software MAC address when connecting to a new WLAN network. You can disable this by adding a NetworkManager rule. In /etc/NetworkManager/conf.d/ you can make a file with any name that has the following:

[device]
wifi.scan-rand-mac-address=no

On a live system you can then rc-service networkmanager restart to restart NetworkManager and have it load the new configuration.