Hi Crhis, On Wed, Dec 11, 2024 at 02:19:40PM +0100, Chris Hofstaedtler wrote: > On Mon, Dec 09, 2024 at 06:06:32PM +0100, Daniel Gröber wrote: > > dhcpcd-base does not send the system's hostname by default as > > isc-dhcp-client used to due to /etc/dhcpcd.conf having the `hostname` > > option commented out. > > > > This will cause outages for users relying on DDNS when upgrading to > > trixie. Please let's change the default before releasing this. ifupdown's > > reputation is already hanging on by a thread as it is. > > Shouldn't preserving the previous meaning of (default) config > settings in /etc/network/interfaces be a concern of ifupdown, and > not of the DHCP client implementation? > > If so, then ifupdown could/should change how it configured dhcpcd?
Things are never that simple :-) There is simply no interface for ifupdown to make this configuration change. All we can practically do is bring interfaces up/down. I'd previously thought perhaps we can programmatically change dhcpcd.conf in postinst, but this is explicitly forbidden by RC policy: > 3. Configuration files > > Packages must not modify their own or other packages conffiles > programmatically. (The only correct way to modify a conffile is > the user running an editor specifically; if anything more automated > is required or useful, configuration files must _NOT_ be handled as > conffiles) > Ref: 10.7.3 https://release.debian.org/testing/rc_policy.txt --Daniel
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