diff --git a/DEBIAN/postinst b/DEBIAN/postinst
index 44a85dc..992bea7 100755
--- a/DEBIAN/postinst
+++ b/DEBIAN/postinst
@@ -1,6 +1,10 @@
-#!/bin/sh
+#!/bin/bash
+set -e
 
-# Script executado pós instalação
-# systemctl restart nscd
-PASS=$(whiptail --passwordbox "Senha do LDAP" 10 50)
-sed -i 's/BINDPW/$PASS/' /etc/sssd/sssd.conf
+. /usr/share/debconf/confmodule
+
+db_get alice-auth/ldap-bind-password
+LDAP_BIND_PASSWORD="$RET"
+CONFIG=/etc/sssd/sssd.conf
+
+sed -i "s/ldap_default_authtok =.*/ldap_default_authtok = $LDAP_BIND_PASSWORD/" $CONFIG
diff --git a/templates b/templates
new file mode 100644
index 0000000..631d606
--- /dev/null
+++ b/templates
@@ -0,0 +1,6 @@
+Template: alice-auth/ldap-bind-password
+Type: password
+Default:
+Description: Digite a senha do LDAP.
+ Senha do user Alice.
+