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Date:      Fri, 01 Dec 2017 13:04:36 +0100
From:      Marek Krawczyk <>
To:        FreeBSD <>
Cc:        "" <>,, Carmel NY <>
Subject:   Re: PROBLEM: Another instance of Certbot is already running.
Message-ID:  <>
In-Reply-To: <>
References:  <>

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W dniu 2017-12-01 12:27, Carmel NY napisaƂ(a):
> FreeBSD 11.1 RELEASE-p5
> I have been using the p5-certbot port without a problem until
> recently. It is being run via cron:  /usr/local/bin/certbot -q renew
> --pre-hook "service dovecot stop" --post-hook "service dovecot start".
> Until recently that worked fine. Now I have started receiving this
> error message:  "Another instance of Certbot is already running." Try
> as I might, I cannot find another instance of "certbot" running.
> Apparently, the only way to correct the problem is to reboot the
> system. This only works until after the cron command has run one time,
> after which the problem resurfaces. I am hoping that someone might
> have a suggestion.

I have the same issue with dovecot. The certbot is waiting on
the post-hook command, but only when it was ran from cron.
If it is running from the shell, the dovecot is restarted properly.
Unfortunatelly I did not found solution for this but I can also
confirm that the issue exist.


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