diff --git a/HowtoMySQL.md b/HowtoMySQL.md
index 41277f5f..ef625421 100644
--- a/HowtoMySQL.md
+++ b/HowtoMySQL.md
@@ -317,6 +317,12 @@ mysql> \! ls -l
 -rw-r----- 1 user user  208774 Jan 11 14:31 dump_base.sql
 ~~~
 
+Lister les droits pour tous les accès MySQL créés :
+
+~~~
+# mysql -e "select concat('\'',User,'\'@\'',Host,'\'') as '' from mysql.user" | sort | \
+( while read user; do [ -z "$user" ] && continue; echo "-- $user"; mysql -e "show grants for $user"; done )
+~~~
 
 ## Administration