diff --git a/cheat/cheatsheets/cryptsetup b/cheat/cheatsheets/cryptsetup
new file mode 100644
index 0000000..1f773a9
--- /dev/null
+++ b/cheat/cheatsheets/cryptsetup
@@ -0,0 +1,8 @@
+# open encrypted partition /dev/sdb1 (reachable at /dev/mapper/backup)
+cryptsetup open --type luks /dev/sdb1 backup
+
+# open encrypted partition /dev/sdb1 using a keyfile (reachable at /dev/mapper/hdd)
+cryptsetup open --type luks --key-file hdd.key /dev/sdb1 hdd
+
+# close luks container at /dev/mapper/hdd
+cryptsetup close hdd