Subject: bug#32075: netcat with '-U' option for connection virt-manager to libvirt over SSH

From: Maxim Cournoyer <[email-masked]>
Date: Fri, 29 Dec 2023 23:16:57 -0500

Hi Oleg,

Oleg Pykhalov <[email-masked]> writes:

> Hello Guix,
>
> I try to use virt-manager for connection over SSH from Linux Mint to
> GuixSD running libvirt.
>
> Seems we need to package netcat which includes ‘-U’ option:
> --8<---------------cut here---------------start------------->8--- Unable
> Unable to connect to libvirt qemu+ssh://[email-masked]/system.
>
> The remote host requires a version of netcat/nc which supports the -U option.
>
> Libvirt URI is: qemu+ssh://[email-masked]/system
>
> Traceback (most recent call last):
>   File "/gnu/store/pakiz00asgm6cq5l4xwbwzksd0z576iq-virt-manager-1.5.1/share/virt-manager/virtManager/connection.py", line 1036, in _do_open
>     self._backend.open(self._do_creds_password)
>   File "/gnu/store/pakiz00asgm6cq5l4xwbwzksd0z576iq-virt-manager-1.5.1/share/virt-manager/virtinst/connection.py", line 144, in open
>     open_flags)
>   File "/gnu/store/xdyrp8fbcgk2cnyck4yda2wl1vql1m82-python2-libvirt-4.1.0/lib/python2.7/site-packages/libvirt.py", line 105, in openAuth
>     if ret is None:raise libvirtError('virConnectOpenAuth() failed')
> libvirtError: End of file while reading data: nc: invalid option -- 'U'
> Try `nc --help' for more information.: Input/output error
> --8<---------------cut here---------------end--------------->8---

I'm missing reproduction steps; is this still a problem with our current
libvirt and virt-manager packages?

-- 
Thanks,
Maxim