From: Grant Taylor <gtaylor@tnetconsulting.net>
To: zsh-users@zsh.org
Subject: Re: tab completion for ssh using FQDN
Date: Wed, 17 Jul 2019 14:35:57 -0600 [thread overview]
Message-ID: <490ecb3b-ad6c-c2c5-fb21-31ed71a8f6b1@spamtrap.tnetconsulting.net> (raw)
In-Reply-To: <CADjGqHvQekBK0x_YTH_JXN3zZNunvP6MLsKE=wzCN5n68C+zwg@mail.gmail.com>
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On 7/17/19 1:41 PM, TJ Luoma wrote:
> I have several hosts defined in ~/.ssh/config like so:
>
> Host myhost
> HostName myhost.luo.ma
> User myuser
> Port 5555
>
> Something changed, because now when I type "ssh my[tab]" I get "ssh
> myhost.luo.ma" instead of "ssh myhost" which then fails because it isn't
> using the port specified in ~/.ssh/config.
Tweak your Host entry to include the FQDN, e.g.:
Host myhost.luo.ma myhost
I don't think the order matters. I personally like to put the FQDN
first and then aliases after. (I pattern off of the hosts file.)
> I _think_ it has to do with the ~/.ssh/known_hosts file, because if I
> delete the entry from that file, tab completion seems to work as I expect.
>
> I've looked around for a solution, and it appears that if I add this line:
>
> HostKeyAlias myhost
>
> then the short hostname gets uses for the known_hosts file, but I'm not
> sure if that's a "good" solution or not.
I think that's functionally (part of) defining a new host by the
alternate name and recognizing the alternate name's host key.
I'd suggest trying adding aliases to the Host entry, as described above.
I've done things like this:
Host FQDN alias project<#>-db customer<#>-db current-problem-child
The project<#>-db is nice so that I can easily ssh into a project's DB
server without needing to mentally translate to the host name. I can
literally do the following:
ssh project815-db
> Is there a way to tell zsh to only do tab-completion for ssh out of
> ~/.ssh/config and ignore ~/.ssh/known_hosts ?
I'm sure there is a way. I don't know what it is. I've not dealt with
this issue in about 6 years.
--
Grant. . . .
unix || die
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next prev parent reply other threads:[~2019-07-17 20:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-17 19:41 TJ Luoma
2019-07-17 20:35 ` Grant Taylor [this message]
2019-07-18 5:16 ` Colin Baxter
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