Subj : Re: A bit more on Bookworm and WiFi problens
To   : The Natural Philosopher
From : Chris Elvidge
Date : Sun Oct 27 2024 18:21:04

On 27/10/2024 at 15:37, The Natural Philosopher wrote:
> A power cut this a.m had my Pi zero W reconnecting to the  wrong wifi.
>
> Which forced me to delve into the depths of network manager as evinced
> by nmcli. Network manager is the new way to manage networks, and like
> systemd, its all changed for the sake of it
>
> You probably can edit the files directly - mine were in
> /etc/NetworkManager/system-connections, but it's safer to use nmcli tools
>
>
> You can set a priority if you have more than one wifi SSID.
>
> sudo nmcli c modify <connection name>  connection.autoconnect-priority 1
>
> You can also force it to use 5Ghz or 2.4Ghz or let it decide
>
> sudo nmcli c modify <connection name> 802-11-wireless.band "bg"
>
> or
>
> sudo nmcli c modify <connection name> 802-11-wireless.band "a"
>
>
> "bg" is 2.4GHz, "a" is 5GHz.
>
> It may well be that bookworm has changed the implicit defaults in
> network manager.
>
> It is well worth dumping the connections with
>
> sudo nmcli connection show <connection name>
>
> To work out what the connection names are, use
>
> sudo nmcli c show
>
> I think - but am not sure - that you can set more stuff through the
> command line than through the GUI interface to network manager
>
>

Have you tried nmtui?


--
Chris Elvidge, England
I WILL NOT INSTIGATE REVOLUTION

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