Northward Midget Pole to Pole


ssh asking for password when it shouldn’t

After a recent Ubuntu upgrade, one of my frequented remote servers stopped accepting my public key and was prompting me for my password.  The password is gross and unwieldy and I was most put-out, I must say.  So, I googled the title of this post.  Mostly suggestions to check the permissions of various files.  All of mine were locked tight to user-only, including my home directory.

Of course, I'd already tried ssh -vvv to get all the debugging output.  Unfortunately, I zoomed in on the following message:

debug1: Next authentication method: publickey
debug2: we did not send a packet, disable method

Instead of this one a little further up:

debug1: Skipping ssh-dss key /home/ME/.ssh/keyfiles/ME.key - not in PubkeyAcceptedKeyTypes

Rather than add ssh-dss to the supported types, I just created a new key with ssh-keygen.   An ssh-copy-id later, everything worked.

... except when it didn't.  Adding the following to ~/.ssh/config</tt for the offending host worked:

    PubkeyAcceptedKeyTypes +ssh-dss

Posted by Quinn

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