Hooks to perform arbitrary restarts and housekeeping upon renewal were added in version 0.5.0.  Run with &quot;--help renew&quot; and&#x2F;or see <a href="https:&#x2F;&#x2F;certbot.eff.org&#x2F;docs&#x2F;using.html#renewal" rel="nofollow">https:&#x2F;&#x2F;certbot.eff.org&#x2F;docs&#x2F;using.html#renewal</a>