bug#43783: ssh-copy-id: line 254: /dev/null`: Permission denied

[Nathan Dehnel <ncdehnel@gmail.com>]

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It happens with both my gentoo machines as well. But they can copy id's
among each other fine.

On Tue, Oct 20, 2020 at 11:03 PM Maxim Cournoyer <maxim.cournoyer@gmail.com>
wrote:

> Hello,
>
> Nathan Dehnel <ncdehnel@gmail.com> writes:
>
> > ssh-copy-id errors out and then does not install the key
> >
> > bash-5.0$ ssh-copy-id pi@raspberrypi
> > /home/nathan/.guix-profile/bin/ssh-copy-id: INFO: attempting to log in
> with
> > the new key(s), to filter out any that are already installed
> > /home/nathan/.guix-profile/bin/ssh-copy-id: INFO: 2 key(s) remain to be
> > installed -- if you are prompted now it is to install the new keys
> > /home/nathan/.guix-profile/bin/ssh-copy-id: line 251: warning:
> > here-document at line 251 delimited by end-of-file (wanted `EOF')
> > /home/nathan/.guix-profile/bin/ssh-copy-id: line 250: warning:
> > here-document at line 250 delimited by end-of-file (wanted `EOF')
> > /home/nathan/.guix-profile/bin/ssh-copy-id: line 254: /dev/null`:
> > Permission denied
> > /home/nathan/.guix-profile/bin/ssh-copy-id: line 260: EOF: command not
> found
> > pi@raspberrypi's password:
> >
> > Number of key(s) added: 2
> >
> > Now try logging into the machine, with:   "ssh 'pi@raspberrypi'"
> > and check to make sure that only the key(s) you wanted were added.
>
> Could this be specific to the raspberrypi?  I cannot reproduce such
> problem using a remote Guix System.  But I just tried using a Buildroot
> target I had on hand, and I could reproduce something similar:
>
> --8<---------------cut here---------------start------------->8---
> $ ssh-copy-id target
> /home/maxim/.guix-profile/bin/ssh-copy-id: INFO: attempting to log in with
> the new key(s), to filter out any that are already installed
> /home/maxim/.guix-profile/bin/ssh-copy-id: INFO: 1 key(s) remain to be
> installed -- if you are prompted now it is to install the new keys
> /home/maxim/.guix-profile/bin/ssh-copy-id: line 251: warning:
> here-document at line 251 delimited by end-of-file (wanted `EOF')
> /home/maxim/.guix-profile/bin/ssh-copy-id: line 250: warning:
> here-document at line 250 delimited by end-of-file (wanted `EOF')
> mkdir: cannot create directory ‘/etc/dropbear’: Permission denied
> Pseudo-terminal will not be allocated because stdin is not a terminal.
> Warning: Permanently added '10.42.0.243' (ECDSA) to the list of known
> hosts.
> root@10.42.0.243's password:
> -sh: ssh-rsa: not found
> --8<---------------cut here---------------end--------------->8---
>
> I think it probably has to do with the script not finding the tools it
> expects on the minimal (embedded) environments of the
> Rasperrypi/Buildroot.  I'll try to have a closer look soon.
>
> Thanks,
>
> Maxim
>

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