diff --git a/lib/apache b/lib/apache
index 2c43681..c7d69f2 100644
--- a/lib/apache
+++ b/lib/apache
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/apache
 # Functions to control configuration and operation of apache web server
 
diff --git a/lib/ceilometer b/lib/ceilometer
index cdef422..43a39dd 100644
--- a/lib/ceilometer
+++ b/lib/ceilometer
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/ceilometer
 # Install and start **Ceilometer** service
 
diff --git a/lib/ceph b/lib/ceph
index 5214306..c2d418f 100644
--- a/lib/ceph
+++ b/lib/ceph
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/ceph
 # Functions to control the configuration and operation of the **Ceph** storage service
 
diff --git a/lib/cinder b/lib/cinder
index 611e1ca..930119c 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder
 # Install and start **Cinder** volume service
 
diff --git a/lib/cinder_backends/ceph b/lib/cinder_backends/ceph
index e9d2a02..415ce94 100644
--- a/lib/cinder_backends/ceph
+++ b/lib/cinder_backends/ceph
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_backends/ceph
 # Configure the ceph backend
 
diff --git a/lib/cinder_backends/glusterfs b/lib/cinder_backends/glusterfs
index dd772a8..00c62e0 100644
--- a/lib/cinder_backends/glusterfs
+++ b/lib/cinder_backends/glusterfs
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_backends/glusterfs
 # Configure the glusterfs backend
 
diff --git a/lib/cinder_backends/lvm b/lib/cinder_backends/lvm
index 8f8ab79..a3ab5bf 100644
--- a/lib/cinder_backends/lvm
+++ b/lib/cinder_backends/lvm
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_backends/lvm
 # Configure the LVM backend
 
diff --git a/lib/cinder_backends/netapp_iscsi b/lib/cinder_backends/netapp_iscsi
index 7a67da7..be9442e 100644
--- a/lib/cinder_backends/netapp_iscsi
+++ b/lib/cinder_backends/netapp_iscsi
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_backends/netapp_iscsi
 # Configure the NetApp iSCSI driver
 
diff --git a/lib/cinder_backends/netapp_nfs b/lib/cinder_backends/netapp_nfs
index d90b7f7..dc919ad 100644
--- a/lib/cinder_backends/netapp_nfs
+++ b/lib/cinder_backends/netapp_nfs
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_backends/netapp_nfs
 # Configure the NetApp NFS driver
 
diff --git a/lib/cinder_backends/nfs b/lib/cinder_backends/nfs
index 7648788..fc51b2b 100644
--- a/lib/cinder_backends/nfs
+++ b/lib/cinder_backends/nfs
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_backends/nfs
 # Configure the nfs backend
 
diff --git a/lib/cinder_backends/solidfire b/lib/cinder_backends/solidfire
index 95ffce1..7cc70fc 100644
--- a/lib/cinder_backends/solidfire
+++ b/lib/cinder_backends/solidfire
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_backends/solidfire
 # Configure the solidfire driver
 
diff --git a/lib/cinder_backends/vmdk b/lib/cinder_backends/vmdk
index b32c4b2..d5b9453 100644
--- a/lib/cinder_backends/vmdk
+++ b/lib/cinder_backends/vmdk
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_backends/vmdk
 # Configure the VMware vmdk backend
 
diff --git a/lib/cinder_backends/xiv b/lib/cinder_backends/xiv
index ee5da2d..6eadaae 100644
--- a/lib/cinder_backends/xiv
+++ b/lib/cinder_backends/xiv
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Copyright 2014 IBM Corp.
 # Copyright (c) 2014 OpenStack Foundation
 # All Rights Reserved.
@@ -82,4 +84,3 @@
 # Local variables:
 # mode: shell-script
 # End:
-
diff --git a/lib/cinder_plugins/XenAPINFS b/lib/cinder_plugins/XenAPINFS
index fa10715..f730695 100644
--- a/lib/cinder_plugins/XenAPINFS
+++ b/lib/cinder_plugins/XenAPINFS
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_plugins/XenAPINFS
 # Configure the XenAPINFS driver
 
diff --git a/lib/cinder_plugins/glusterfs b/lib/cinder_plugins/glusterfs
index b4196e4..35ceb27 100644
--- a/lib/cinder_plugins/glusterfs
+++ b/lib/cinder_plugins/glusterfs
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_plugins/glusterfs
 # Configure the glusterfs driver
 
diff --git a/lib/cinder_plugins/nfs b/lib/cinder_plugins/nfs
index 5f4cc53..83b3993 100644
--- a/lib/cinder_plugins/nfs
+++ b/lib/cinder_plugins/nfs
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_plugins/nfs
 # Configure the nfs driver
 
diff --git a/lib/cinder_plugins/sheepdog b/lib/cinder_plugins/sheepdog
index 30c60c6..ca343f7 100644
--- a/lib/cinder_plugins/sheepdog
+++ b/lib/cinder_plugins/sheepdog
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_plugins/sheepdog
 # Configure the sheepdog driver
 
diff --git a/lib/cinder_plugins/vsphere b/lib/cinder_plugins/vsphere
index 436b060..f14ddf0 100644
--- a/lib/cinder_plugins/vsphere
+++ b/lib/cinder_plugins/vsphere
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/cinder_plugins/vsphere
 # Configure the vsphere driver
 
diff --git a/lib/config b/lib/config
index a4d0328..c0756bf 100644
--- a/lib/config
+++ b/lib/config
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/config - Configuration file manipulation functions
 
 # These functions have no external dependencies and the following side-effects:
diff --git a/lib/database b/lib/database
index e226515..366d2b3 100644
--- a/lib/database
+++ b/lib/database
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/database
 # Interface for interacting with different database backends
 
diff --git a/lib/databases/mysql b/lib/databases/mysql
index eab1aa4..d39d966 100644
--- a/lib/databases/mysql
+++ b/lib/databases/mysql
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/databases/mysql
 # Functions to control the configuration and operation of the **MySQL** database backend
 
diff --git a/lib/databases/postgresql b/lib/databases/postgresql
index fb6d304..76491c4 100644
--- a/lib/databases/postgresql
+++ b/lib/databases/postgresql
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/databases/postgresql
 # Functions to control the configuration and operation of the **PostgreSQL** database backend
 
diff --git a/lib/dib b/lib/dib
index 30b31ec..177f4c1 100644
--- a/lib/dib
+++ b/lib/dib
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/dib
 # Install and build images with **diskimage-builder**
 
diff --git a/lib/dstat b/lib/dstat
index 4ec10dc..8f456a8 100644
--- a/lib/dstat
+++ b/lib/dstat
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/dstat
 # Functions to start and stop dstat
 
diff --git a/lib/gantt b/lib/gantt
index 485613f..5bd28c2 100644
--- a/lib/gantt
+++ b/lib/gantt
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/gantt
 # Install and start **Gantt** scheduler service
 
diff --git a/lib/glance b/lib/glance
index b4c18f8..2cffc5e 100644
--- a/lib/glance
+++ b/lib/glance
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/glance
 # Functions to control the configuration and operation of the **Glance** service
 
diff --git a/lib/heat b/lib/heat
index 3ed9a5f..f9ac03a 100644
--- a/lib/heat
+++ b/lib/heat
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/heat
 # Install and start **Heat** service
 
diff --git a/lib/horizon b/lib/horizon
index 9fd1b85..3f3b1ca 100644
--- a/lib/horizon
+++ b/lib/horizon
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/horizon
 # Functions to control the configuration and operation of the horizon service
 
diff --git a/lib/infra b/lib/infra
index cd439e7..57df07d 100644
--- a/lib/infra
+++ b/lib/infra
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/infra
 #
 # Functions to install infrastructure projects needed by other projects
diff --git a/lib/ironic b/lib/ironic
index 28f8fe8..6866ae7 100644
--- a/lib/ironic
+++ b/lib/ironic
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/ironic
 # Functions to control the configuration and operation of the **Ironic** service
 
diff --git a/lib/keystone b/lib/keystone
index 72a79be..a218732 100644
--- a/lib/keystone
+++ b/lib/keystone
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/keystone
 # Functions to control the configuration and operation of **Keystone**
 
diff --git a/lib/ldap b/lib/ldap
index a6fb82f..5beac38 100644
--- a/lib/ldap
+++ b/lib/ldap
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/ldap
 # Functions to control the installation and configuration of **ldap**
 
diff --git a/lib/neutron b/lib/neutron
index 5a2bfea..24d7c6c 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/neutron
 # functions - functions specific to neutron
 
diff --git a/lib/neutron_plugins/bigswitch_floodlight b/lib/neutron_plugins/bigswitch_floodlight
index 9e84f2e..4166131 100644
--- a/lib/neutron_plugins/bigswitch_floodlight
+++ b/lib/neutron_plugins/bigswitch_floodlight
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neuton Big Switch/FloodLight plugin
 # ------------------------------------
 
diff --git a/lib/neutron_plugins/brocade b/lib/neutron_plugins/brocade
index 511fb71..b8166d9 100644
--- a/lib/neutron_plugins/brocade
+++ b/lib/neutron_plugins/brocade
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Brocade Neutron Plugin
 # ----------------------
 
diff --git a/lib/neutron_plugins/cisco b/lib/neutron_plugins/cisco
index 95e0ab3..b067aa6 100644
--- a/lib/neutron_plugins/cisco
+++ b/lib/neutron_plugins/cisco
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron Cisco plugin
 # ---------------------------
 
diff --git a/lib/neutron_plugins/embrane b/lib/neutron_plugins/embrane
index 7dafdc0..6b4819e 100644
--- a/lib/neutron_plugins/embrane
+++ b/lib/neutron_plugins/embrane
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron Embrane plugin
 # ---------------------------
 
diff --git a/lib/neutron_plugins/ibm b/lib/neutron_plugins/ibm
index 39b0040..3660a9f 100644
--- a/lib/neutron_plugins/ibm
+++ b/lib/neutron_plugins/ibm
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron IBM SDN-VE plugin
 # ---------------------------
 
diff --git a/lib/neutron_plugins/linuxbridge_agent b/lib/neutron_plugins/linuxbridge_agent
index 2638dd3..ec17c01 100644
--- a/lib/neutron_plugins/linuxbridge_agent
+++ b/lib/neutron_plugins/linuxbridge_agent
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron Linux Bridge L2 agent
 # -----------------------------
 
diff --git a/lib/neutron_plugins/midonet b/lib/neutron_plugins/midonet
index 6ccd502..eb27ed6 100644
--- a/lib/neutron_plugins/midonet
+++ b/lib/neutron_plugins/midonet
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron MidoNet plugin
 # ----------------------
 
diff --git a/lib/neutron_plugins/ml2 b/lib/neutron_plugins/ml2
index f9a9774..e3b2c4d 100644
--- a/lib/neutron_plugins/ml2
+++ b/lib/neutron_plugins/ml2
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron Modular Layer 2 plugin
 # ------------------------------
 
diff --git a/lib/neutron_plugins/nec b/lib/neutron_plugins/nec
index f8d98c3..3b1a257 100644
--- a/lib/neutron_plugins/nec
+++ b/lib/neutron_plugins/nec
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron NEC OpenFlow plugin
 # ---------------------------
 
diff --git a/lib/neutron_plugins/nuage b/lib/neutron_plugins/nuage
index 70de8fa..7bce233 100644
--- a/lib/neutron_plugins/nuage
+++ b/lib/neutron_plugins/nuage
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Nuage Neutron Plugin
 # ----------------------
 
diff --git a/lib/neutron_plugins/ofagent_agent b/lib/neutron_plugins/ofagent_agent
index 90b37f1..915badc 100644
--- a/lib/neutron_plugins/ofagent_agent
+++ b/lib/neutron_plugins/ofagent_agent
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # OpenFlow Agent plugin
 # ----------------------
 
diff --git a/lib/neutron_plugins/oneconvergence b/lib/neutron_plugins/oneconvergence
index 4fd8c7c..48a368a 100644
--- a/lib/neutron_plugins/oneconvergence
+++ b/lib/neutron_plugins/oneconvergence
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron One Convergence plugin
 # ------------------------------
 
diff --git a/lib/neutron_plugins/openvswitch b/lib/neutron_plugins/openvswitch
index 3b6567c..891ab49 100644
--- a/lib/neutron_plugins/openvswitch
+++ b/lib/neutron_plugins/openvswitch
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Common code used by cisco and embrane plugins
 # ---------------------------------------------
 
diff --git a/lib/neutron_plugins/openvswitch_agent b/lib/neutron_plugins/openvswitch_agent
index e1a6f4a..2ab61b0 100644
--- a/lib/neutron_plugins/openvswitch_agent
+++ b/lib/neutron_plugins/openvswitch_agent
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron Open vSwitch L2 agent
 # -----------------------------
 
diff --git a/lib/neutron_plugins/ovs_base b/lib/neutron_plugins/ovs_base
index 07aa7cc..cde5298 100644
--- a/lib/neutron_plugins/ovs_base
+++ b/lib/neutron_plugins/ovs_base
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # common functions for ovs based plugin
 # -------------------------------------
 
diff --git a/lib/neutron_plugins/plumgrid b/lib/neutron_plugins/plumgrid
index 7950ac0..0d711fe 100644
--- a/lib/neutron_plugins/plumgrid
+++ b/lib/neutron_plugins/plumgrid
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # PLUMgrid Neutron Plugin
 # Edgar Magana emagana@plumgrid.com
 # ------------------------------------
diff --git a/lib/neutron_plugins/vmware_nsx b/lib/neutron_plugins/vmware_nsx
index f4eb82d..4cbedd6 100644
--- a/lib/neutron_plugins/vmware_nsx
+++ b/lib/neutron_plugins/vmware_nsx
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Neutron VMware NSX plugin
 # -------------------------
 
diff --git a/lib/neutron_thirdparty/bigswitch_floodlight b/lib/neutron_thirdparty/bigswitch_floodlight
index 033731e..e3f4689 100644
--- a/lib/neutron_thirdparty/bigswitch_floodlight
+++ b/lib/neutron_thirdparty/bigswitch_floodlight
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Big Switch/FloodLight  OpenFlow Controller
 # ------------------------------------------
 
diff --git a/lib/neutron_thirdparty/midonet b/lib/neutron_thirdparty/midonet
index 099a66e..2c82d48 100644
--- a/lib/neutron_thirdparty/midonet
+++ b/lib/neutron_thirdparty/midonet
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # MidoNet
 # -------
 
diff --git a/lib/neutron_thirdparty/ryu b/lib/neutron_thirdparty/ryu
index eaf088b..1f78a21 100644
--- a/lib/neutron_thirdparty/ryu
+++ b/lib/neutron_thirdparty/ryu
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Ryu SDN Framework
 # -----------------
 
diff --git a/lib/neutron_thirdparty/trema b/lib/neutron_thirdparty/trema
index 3e59ef2..075f013 100644
--- a/lib/neutron_thirdparty/trema
+++ b/lib/neutron_thirdparty/trema
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Trema Sliceable Switch
 # ----------------------
 
diff --git a/lib/neutron_thirdparty/vmware_nsx b/lib/neutron_thirdparty/vmware_nsx
index 7a20c64..7027a29 100644
--- a/lib/neutron_thirdparty/vmware_nsx
+++ b/lib/neutron_thirdparty/vmware_nsx
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # VMware NSX
 # ----------
 
diff --git a/lib/nova b/lib/nova
index 0e6c6af..ebc3db5 100644
--- a/lib/nova
+++ b/lib/nova
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/nova
 # Functions to control the configuration and operation of the **Nova** service
 
diff --git a/lib/nova_plugins/functions-libvirt b/lib/nova_plugins/functions-libvirt
index d3c4eab..4601eea 100644
--- a/lib/nova_plugins/functions-libvirt
+++ b/lib/nova_plugins/functions-libvirt
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/nova_plugins/functions-libvirt
 # Common libvirt configuration functions
 
diff --git a/lib/nova_plugins/hypervisor-fake b/lib/nova_plugins/hypervisor-fake
index dc93633..3180d91 100644
--- a/lib/nova_plugins/hypervisor-fake
+++ b/lib/nova_plugins/hypervisor-fake
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/nova_plugins/hypervisor-fake
 # Configure the fake hypervisor
 
diff --git a/lib/nova_plugins/hypervisor-ironic b/lib/nova_plugins/hypervisor-ironic
index abf59b8..4c2043b 100644
--- a/lib/nova_plugins/hypervisor-ironic
+++ b/lib/nova_plugins/hypervisor-ironic
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/nova_plugins/hypervisor-ironic
 # Configure the ironic hypervisor
 
diff --git a/lib/nova_plugins/hypervisor-libvirt b/lib/nova_plugins/hypervisor-libvirt
index 53dbfb9..cc6f29e 100644
--- a/lib/nova_plugins/hypervisor-libvirt
+++ b/lib/nova_plugins/hypervisor-libvirt
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/nova_plugins/hypervisor-libvirt
 # Configure the libvirt hypervisor
 
diff --git a/lib/nova_plugins/hypervisor-openvz b/lib/nova_plugins/hypervisor-openvz
index a1636ad..cce36b8 100644
--- a/lib/nova_plugins/hypervisor-openvz
+++ b/lib/nova_plugins/hypervisor-openvz
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/nova_plugins/hypervisor-openvz
 # Configure the openvz hypervisor
 
diff --git a/lib/nova_plugins/hypervisor-vsphere b/lib/nova_plugins/hypervisor-vsphere
index 9933a3c..c406e09 100644
--- a/lib/nova_plugins/hypervisor-vsphere
+++ b/lib/nova_plugins/hypervisor-vsphere
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/nova_plugins/hypervisor-vsphere
 # Configure the vSphere hypervisor
 
diff --git a/lib/nova_plugins/hypervisor-xenserver b/lib/nova_plugins/hypervisor-xenserver
index 0dba471..db19cc2 100644
--- a/lib/nova_plugins/hypervisor-xenserver
+++ b/lib/nova_plugins/hypervisor-xenserver
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/nova_plugins/hypervisor-xenserver
 # Configure the XenServer hypervisor
 
diff --git a/lib/opendaylight b/lib/opendaylight
index 831329a..936a17c 100644
--- a/lib/opendaylight
+++ b/lib/opendaylight
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/opendaylight
 # Functions to control the configuration and operation of the opendaylight service
 
diff --git a/lib/oslo b/lib/oslo
index d00580b..e0b4afe 100644
--- a/lib/oslo
+++ b/lib/oslo
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/oslo
 #
 # Functions to install oslo libraries from git
diff --git a/lib/rpc_backend b/lib/rpc_backend
index 14c78fb..4c1efa6 100644
--- a/lib/rpc_backend
+++ b/lib/rpc_backend
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/rpc_backend
 # Interface for interactig with different rpc backend
 # rpc backend settings
diff --git a/lib/sahara b/lib/sahara
index 4f1ba22..c902d38 100644
--- a/lib/sahara
+++ b/lib/sahara
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/sahara
 
 # Dependencies:
diff --git a/lib/stackforge b/lib/stackforge
index 2d80dad..cc3a689 100644
--- a/lib/stackforge
+++ b/lib/stackforge
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/stackforge
 #
 # Functions to install stackforge libraries that we depend on so
diff --git a/lib/swift b/lib/swift
index 9e61331..41f9e84 100644
--- a/lib/swift
+++ b/lib/swift
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/swift
 # Functions to control the configuration and operation of the **Swift** service
 
diff --git a/lib/tempest b/lib/tempest
index 46c9e26..6894501 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/tempest
 # Install and configure Tempest
 
diff --git a/lib/template b/lib/template
index f77409b..2703788 100644
--- a/lib/template
+++ b/lib/template
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/template
 # Functions to control the configuration and operation of the XXXX service
 # <do not include this template file in ``stack.sh``!>
diff --git a/lib/tls b/lib/tls
index fdb798f..677895b 100644
--- a/lib/tls
+++ b/lib/tls
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/tls
 # Functions to control the configuration and operation of the TLS proxy service
 
diff --git a/lib/trove b/lib/trove
index 60b2bdb..6cc5fa8 100644
--- a/lib/trove
+++ b/lib/trove
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/trove
 # Functions to control the configuration and operation of the **Trove** service
 
diff --git a/lib/zaqar b/lib/zaqar
index 22ef5ef..0d1f6f4 100644
--- a/lib/zaqar
+++ b/lib/zaqar
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # lib/zaqar
 # Install and start **Zaqar** service