Hotspot / Access Point configuration - embedded Linux

soup_sam

I am running an Ubuntu 16.04 derived Linux on an embedded processor, Yocto build Kernel appears to be 4.14.141 I am bringing up a WiFi Access point on the hardware programmatically from C by enabling the radio with a call to system("nmcli r wifi on"); ( This may be superfluous at the moment but bear with me.) At which point I bring up an access point with system( "nmcli dev wifi hotspot ifname wlan0 ssid \"test\" password \"test1234\" ") So Now...

Originally asked by nimbusgb on Stack Exchange (unix) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

You have a profile. See it with nmcli connection . Above, you see that the name of the profile is Hotspot-2 (and UUID 70c76bd2-0e13-492e-8a45-9094bc6e0773 ). Modify the profile, and depending on whether you know the UUID or the name, refer to it accordingly: nmcli connection modify Hotspot-2 ... nmcli connection modify 70c76bd2-0e13-492e-8a45-9094bc6e0773 ... nmcli connection modify id Hotspot-2 ... nmcli connection modify uuid 70c76bd2-0e13-492e-8a45-9094bc6e0773 ... (I am just saying this, because you can refer to the profile in different ways). Anyway. So modify it: nmcli connection modify Hotspot-2 \ wifi.ssid My-SSID \ wifi-sec wifi-sec.psk new-passwd The changes to the profile take...

Full answer by thaller: https://unix.stackexchange.com/a/697628 (CC BY-SA 4.0).

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