How to avoid nginx failure in case of bad certificate ?

Anoop Alias anoopalias01 at
Sun Jan 13 13:20:09 UTC 2019

You can reload instead of restart and nginx would continue working on old
config if the new one is invalid

On Sun, Jan 13, 2019 at 2:31 PM Pierre Couderc <pierre at> wrote:

> In case of bad certificate (certificate file missing for exemple), nginx
> fails to restart.
> Is there a way to avoid that ?
> There may be an error on one site without stopping all other correct sites.
> This occurs particularly in case we remove an old site, and make an
> error in configuration files : a few months later, let's encrypt tries
> to renew the certificate in the night and fails, then restarts nginx
> which fails because missing a no more used certificate, and the full
> site is stoped....
> Thanks.
> PC
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*Anoop P Alias*
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