I did something similar with the Raspberry Pi 3 I use for my bedroom clock and had no problem. It too has a static up and is headless. I also went from a 32-bit O/S to 64 bit O/S.
My main problem was with the GPIO I used for the clock's buttons (I need to update the software from Wiring PI to libgpiod, but this was all userland groveling with some C++ code, but did not effect anything truely critical. At Wed, 11 Nov 2026 20:23:42 +0100 Franco Martelli <[email protected]> wrote: > > Hi, > > I have a Raspberry Pi 3 Model B Rev 1.2 with Debian BullsEye on it, I > want to upgrade to Bookworm. Changing the kernel my main concern is that > the device name of the NIC will change from "eth0" to something like > "enp2s0...". > > Sadly the RPI has an headless installation (no keyboard, no monitor) and > the network setup is done via /e/n/interfaces: > > ~# grep -v ^# /etc/network/interfaces.d/eth0 > iface eth0 inet manual > > and via dhcpcd.conf: > > ~# grep -v ^# /etc/dhcpcd.conf > hostname > duid > persistent > option rapid_commit > option domain_name_servers, domain_name, domain_search, dhcp_lease_time, > host_name > option classless_static_routes > option interface_mtu > require dhcp_server_identifier > slaac private > noipv6 > interface eth0 > static ip_address2.168.0.7/24 > static routers2.168.0.1 > static domain_name_servers2.168.0.7 > interface wlan0 > static ip_address2.168.0.9/24 > static routers2.168.0.1 > static domain_name_servers2.168.0.7 > > I can access the RPI only with a SSH client, will I have a no more > accessible RPI after booting to Bookworm due to interfaces naming? > Does anybody have experiences about upgrading a server from a remote host? > > Reading the Bookworm's release notes I've found this link: > > https://wiki.debian.org/NetworkInterfaceNames#custom > > Is that what I have to do? > > Thanks in advance, kind regards, -- Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364 Deepwoods Software -- Custom Software Services http://www.deepsoft.com/ -- Linux Administration Services [email protected] -- Webhosting Services

