"sh: doveadm: command not found" with doveadm -Dv backup -R

[James Brown]

> On 28 Feb 2023, at 5:53 pm, Aki Tuomi <aki.tuomi at open-xchange.com> wrote:
> 
>> On 28/02/2023 03:54 EET James Brown <jlbrown at bordo.com.au> wrote:
>> 
>> I’m moving from an old mail server to a new one.
>> 
>> On the new one, trying to transfer mailboxes from the old machine using doveadm. It fails saying it can’f find doveadm:
>> 
>> % sudo doveadm -Dv backup -R -u myuser at bordo.com.au remote:mail.bordo.com.au
>> Password:
>> Debug: Loading modules from directory: /usr/local/lib/dovecot/doveadm
>> ...
>> (root at mail.bordo.com.au) Password:
>> sh: doveadm: command not found
>> Feb 28 12:42:06 dsync-local(myuser at bordo.com.au)<SJq/Iepb/WMOLAEAiJz6GQ>: Error: read(mail.bordo.com.au) failed: EOF (version not received)
>> Feb 28 12:42:06 dsync-local(myuser at bordo.com.au)<SJq/Iepb/WMOLAEAiJz6GQ>: Error: Remote command returned error 127: ssh mail.bordo.com.au doveadm dsync-server -umyuser at bordo.com.au -U
>> Feb 28 12:42:06 dsync-local(myuser at bordo.com.au)<SJq/Iepb/WMOLAEAiJz6GQ>: Debug: User session is finished
>> Feb 28 12:42:06 dsync-local(myuser at bordo.com.au)<SJq/Iepb/WMOLAEAiJz6GQ>: Debug: auth-master: conn unix:/usr/local/var/run/dovecot/auth-userdb (uid=0): Disconnected: Connection closed (fd=9)
>> 
>> Does this mean the remote machine can’t fine doveadm?
>> 
>> (Both machines are running macOS)
>> 
>> I could probably transfer the mailboxes using rsync, but I thought that doveadm was a better way.
>> 
>> Thanks,
>> 
>> James.
> 
> Yeah, it means it can't find doveadm on the remote machine.
> 
> Please see https://doc.dovecot.org/admin_manual/migrating_mailboxes/
> 
> Aki

Thanks Aki, those instructions are great. All working now. Added the service doveadm and pw to old server and pw to new one and all works. And used tcp:oldmailserver:port instead of ‘remote:’ in command.

So sudo doveadm -Dv backup -R -u myuser at bordo.com.au tcp:mail.bordo.com.au:12354

Simple!

Thanks again,

James.
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