From a4e73ea757c0d9bd535c6006a80d79e4267682fa Mon Sep 17 00:00:00 2001
From: Jean-Philippe Evrard <evrardjp@users.noreply.github.com>
Date: Mon, 29 Apr 2019 14:29:12 +0200
Subject: [PATCH] openssl: add certificate expiry checking (#2946)

---
 pages/common/openssl.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pages/common/openssl.md b/pages/common/openssl.md
index ff49782f5..c436b37ea 100644
--- a/pages/common/openssl.md
+++ b/pages/common/openssl.md
@@ -18,6 +18,10 @@
 
 `openssl x509 -in {{filename.crt}} -noout -text`
 
+- Display a certificate's expiration date:
+
+`openssl x509 -enddate -noout -in {{filename.pem}}`
+
 - Display the start and expiry dates for a domain's certificate:
 
 `openssl s_client -connect {{host}}:{{port}} 2>/dev/null | openssl x509 -noout -dates`