[Bug 1005440] Re: "Could not load host key: /etc/ssh/ssh_host_ecdsa_key" when connecting

[Adrien Beau]

I was affected by this bug too, using Ubuntu Server 12.04.1 LTS, with
openssh-server 1:5.9p1-5ubuntu1. Using the following command line solved
the issue:

sudo ssh-keygen -f /etc/ssh/ssh_host_ecdsa_key -N '' -t ecdsa

I think it is important to note the following:

-- I did not install Ubuntu myself, it was automatically installed by my
dedicated hosting provider;

-- The install (or at least the SSH key generation) was performed from
an operating system booted and downloaded from the network (Debian 6.0.4
as far as I can tell);

-- The Ubuntu install has been slightly altered by my dedicated hosting
provider (nothing malicious, I checked that using debsums and diff;
mostly a couple additional proprietary hardware RAID administration
binaries in /sbin, a small monitoring framework in /usr/local, one
additional cron entry, and their very own Linux kernel).

So, I cannot say that the missing key is due to a bug in the openssh-
server install scripts (the openssh-server.postinst script looks fine to
me); I strongly suspect it is due to a bug in my hosting provider's
installation.

Michael Nagel, Kaizoku, did you install Ubuntu yourselves, or are you
using a version installed by a hosting provider?

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https://bugs.launchpad.net/bugs/1005440

Title:
  "Could not load host key: /etc/ssh/ssh_host_ecdsa_key" when connecting

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