Date: Wed, 09 Feb 2022 14:37:09 +0100 From: Steffen Nurpmeso <steffen@sdaoden.eu> To: Michael Gmelin <grembo@freebsd.org> Cc: Alexander Leidinger <Alexander@leidinger.net>, hackers@freebsd.org Subject: Re: Behavior of /dev/pts in a jail? Message-ID: <20220209133709.NBhO-%steffen@sdaoden.eu> In-Reply-To: <20220209142152.13373548.grembo@freebsd.org> References: <20220209113737.Horde.8QntfZV4xEkYdmHjXMgCpHN@webmail.leidinger.net> <77267259-0758-4C04-867D-77A896D133E4@freebsd.org> <20220209132213.Horde.hjhX_GoM3qNT-7ucnNXd-ae@webmail.leidinger.net> <20220209142152.13373548.grembo@freebsd.org>
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Michael Gmelin wrote in <20220209142152.13373548.grembo@freebsd.org>: |On Wed, 09 Feb 2022 13:22:13 +0100 |Alexander Leidinger <Alexander@leidinger.net> wrote: |> Quoting Michael Gmelin <grembo@freebsd.org> (from Wed, 9 Feb 2022 |> 12:56:49 +0100): |> |>> I was able to reproduce the issue locally. |>> |>> The problem is caused by jexec inheriting the pty from the jail |>> host. |>> |>> If you use a pty that was created inside of the jail, |>> gpg-agent/pinentry works as expected. |>> |>> This can be accomplished, e.g., by running tmux inside of the jail: |>> |>> jexec gpgtest |>> pkg install tmux |>> tmux |>> gpg --gen-key ... |Maybe someone with more insights to how jails work internally could |give their input here. | |In the meantime, tmux is probably the most lightweight way of working |around this in your specific use-case, without having to run sshd. dtach. It is much more lightweight. I use it on the server to hold a containerized irssi-proxy instance to which i can connect to via VPN (from a of window of my local tmux). I track it for years now (it is stable for many years) after having been pointed to it by a good Japanese Spirit that sometimes crosses here and there .. and it just works. --steffen | |Der Kragenbaer, The moon bear, |der holt sich munter he cheerfully and one by one |einen nach dem anderen runter wa.ks himself off |(By Robert Gernhardt)
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