From 07bb356630e019ec860bff7a69af819322cd8947 Mon Sep 17 00:00:00 2001
From: Johannes Stoelp <johannes.stoelp@gmail.com>
Date: Fri, 30 Dec 2022 19:05:34 +0100
Subject: gpg: add not to extend key lifetime

---
 src/tools/gpg.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/tools/gpg.md b/src/tools/gpg.md
index f79265b..c37353f 100644
--- a/src/tools/gpg.md
+++ b/src/tools/gpg.md
@@ -114,3 +114,25 @@ gpg --verify <file>.asc <file>
 - http://pgp.mit.edu
 - http://keyserver.ubuntu.com
 - hkps://pgp.mailbox.org
+
+## Examples
+
+### List basic key information from file with long keyids
+```bash
+gpg --keyid-format 0xlong <key.asc>
+```
+
+### Extend expiring key
+```bash
+gpg --edit-key <key id>
+
+# By default we are on the primary key, can switch to sub key.
+gpg> key 1
+
+# Update the expire date.
+gpg> expire
+
+gpg> save
+
+# Update keyserver(s) and/or export new pub keyfile.
+```
-- 
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