diff --git a/tools/build_kvm.sh b/tools/build_kvm.sh
index b9f6163..59ed649 100755
--- a/tools/build_kvm.sh
+++ b/tools/build_kvm.sh
@@ -46,19 +46,19 @@
 IMAGE_FNAME=$DIST_NAME.raw
 
 # Name of our instance, used by libvirt
-CONTAINER_NAME=${CONTAINER_NAME:-kvmstack}
+GUEST_NAME=${GUEST_NAME:-kvmstack}
 
 # Original version of built image
 BASE_IMAGE=$KVMSTACK_DIR/images/$DIST_NAME.raw
 
 # Copy of base image, which we pre-install with tasty treats
-VM_IMAGE=$IMAGES_DIR/$DIST_NAME.$CONTAINER_NAME.raw
+VM_IMAGE=$IMAGES_DIR/$DIST_NAME.$GUEST_NAME.raw
 
 # Mop up after previous runs
-virsh destroy $CONTAINER_NAME
+virsh destroy $GUEST_NAME
 
 # Where this vm is stored
-VM_DIR=$KVMSTACK_DIR/instances/$CONTAINER_NAME
+VM_DIR=$KVMSTACK_DIR/instances/$GUEST_NAME
 
 # Create vm dir
 mkdir -p $VM_DIR
@@ -156,21 +156,20 @@
 
 # Network configuration variables
 BRIDGE=${BRIDGE:-br0}
-CONTAINER=${CONTAINER:-STACK}
-CONTAINER_IP=${CONTAINER_IP:-192.168.1.50}
-CONTAINER_CIDR=${CONTAINER_CIDR:-$CONTAINER_IP/24}
-CONTAINER_NETMASK=${CONTAINER_NETMASK:-255.255.255.0}
-CONTAINER_GATEWAY=${CONTAINER_GATEWAY:-192.168.1.1}
-CONTAINER_MAC=${CONTAINER_MAC:-"02:16:3e:07:69:`printf '%02X' $(echo $CONTAINER_IP | sed "s/.*\.//")`"}
-CONTAINER_RAM=${CONTAINER_RAM:-1524288}
-CONTAINER_CORES=${CONTAINER_CORES:-1}
+GUEST_IP=${GUEST_IP:-192.168.1.50}
+GUEST_CIDR=${GUEST_CIDR:-$GUEST_IP/24}
+GUEST_NETMASK=${GUEST_NETMASK:-255.255.255.0}
+GUEST_GATEWAY=${GUEST_GATEWAY:-192.168.1.1}
+GUEST_MAC=${GUEST_MAC:-"02:16:3e:07:69:`printf '%02X' $(echo $GUEST_IP | sed "s/.*\.//")`"}
+GUEST_RAM=${GUEST_RAM:-1524288}
+GUEST_CORES=${GUEST_CORES:-1}
 
 # libvirt.xml configuration
 LIBVIRT_XML=$VM_DIR/libvirt.xml
 cat > $LIBVIRT_XML <<EOF
 <domain type='kvm'>
-    <name>$CONTAINER_NAME</name>
-    <memory>$CONTAINER_RAM</memory>
+    <name>$GUEST_NAME</name>
+    <memory>$GUEST_RAM</memory>
     <os>
         <type>hvm</type>
         <bootmenu enable='yes'/>
@@ -178,7 +177,7 @@
     <features>
         <acpi/>
     </features>
-    <vcpu>$CONTAINER_CORES</vcpu>
+    <vcpu>$GUEST_CORES</vcpu>
     <devices>
         <disk type='file'>
             <driver type='qcow2'/>
@@ -188,7 +187,7 @@
 
         <interface type='bridge'>
             <source bridge='$BRIDGE'/>
-            <mac address='$CONTAINER_MAC'/>
+            <mac address='$GUEST_MAC'/>
         </interface>
 
         <!-- The order is significant here.  File must be defined first -->
@@ -250,9 +249,9 @@
 
 auto eth0
 iface eth0 inet static
-        address $CONTAINER_IP
-        netmask $CONTAINER_NETMASK
-        gateway $CONTAINER_GATEWAY
+        address $GUEST_IP
+        netmask $GUEST_NETMASK
+        gateway $GUEST_GATEWAY
 EOF
 
 # User configuration for the instance
diff --git a/tools/build_lxc.sh b/tools/build_lxc.sh
index 5785a3e..9cbbedf 100755
--- a/tools/build_lxc.sh
+++ b/tools/build_lxc.sh
@@ -27,11 +27,11 @@
 
 # Configurable params
 BRIDGE=${BRIDGE:-br0}
-CONTAINER_NAME=${CONTAINER_NAME:-STACK}
-CONTAINER_IP=${CONTAINER_IP:-192.168.1.50}
-CONTAINER_CIDR=${CONTAINER_CIDR:-$CONTAINER_IP/24}
-CONTAINER_NETMASK=${CONTAINER_NETMASK:-255.255.255.0}
-CONTAINER_GATEWAY=${CONTAINER_GATEWAY:-192.168.1.1}
+GUEST_NAME=${GUEST_NAME:-STACK}
+GUEST_IP=${GUEST_IP:-192.168.1.50}
+GUEST_CIDR=${GUEST_CIDR:-$GUEST_IP/24}
+GUEST_NETMASK=${GUEST_NETMASK:-255.255.255.0}
+GUEST_GATEWAY=${GUEST_GATEWAY:-192.168.1.1}
 NAMESERVER=${NAMESERVER:-`cat /etc/resolv.conf | grep nameserver | head -1 | cut -d " " -f2`}
 COPYENV=${COPYENV:-1}
 DEST=${DEST:-/opt/stack}
@@ -60,22 +60,22 @@
 fi
 
 # Create lxc configuration
-LXC_CONF=/tmp/$CONTAINER_NAME.conf
+LXC_CONF=/tmp/$GUEST_NAME.conf
 cat > $LXC_CONF <<EOF
 lxc.network.type = veth
 lxc.network.link = $BRIDGE
 lxc.network.flags = up
-lxc.network.ipv4 = $CONTAINER_CIDR
+lxc.network.ipv4 = $GUEST_CIDR
 # allow tap/tun devices
 lxc.cgroup.devices.allow = c 10:200 rwm
 EOF
 
 # Shutdown any existing container
-lxc-stop -n $CONTAINER_NAME
+lxc-stop -n $GUEST_NAME
 
 # This kills zombie containers
-if [ -d /cgroup/$CONTAINER_NAME ]; then
-    cgdelete -r cpu,net_cls:$CONTAINER_NAME
+if [ -d /cgroup/$GUEST_NAME ]; then
+    cgdelete -r cpu,net_cls:$GUEST_NAME
 fi
 
 # git clone only if directory doesn't exist already.  Since ``DEST`` might not
@@ -95,9 +95,9 @@
 # Helper to create the container
 function create_lxc {
     if [ "natty" = "$UBUNTU_VERSION" ]; then
-        lxc-create -n $CONTAINER_NAME -t natty -f $LXC_CONF
+        lxc-create -n $GUEST_NAME -t natty -f $LXC_CONF
     else
-        lxc-create -n $CONTAINER_NAME -t ubuntu -f $LXC_CONF
+        lxc-create -n $GUEST_NAME -t ubuntu -f $LXC_CONF
     fi
 }
 
@@ -117,7 +117,7 @@
 if [ ! -f $CACHEDIR/bootstrapped ]; then
     # by deleting the container, we force lxc-create to re-bootstrap (lxc is
     # lazy and doesn't do anything if a container already exists)
-    lxc-destroy -n $CONTAINER_NAME
+    lxc-destroy -n $GUEST_NAME
     # trigger the initial debootstrap
     create_lxc
     touch $CACHEDIR/bootstrapped
@@ -153,7 +153,7 @@
 fi
 
 # Destroy the old container
-lxc-destroy -n $CONTAINER_NAME
+lxc-destroy -n $GUEST_NAME
 
 # If this call is to TERMINATE the container then exit
 if [ "$TERMINATE" = "1" ]; then
@@ -164,7 +164,7 @@
 create_lxc
 
 # Specify where our container rootfs lives
-ROOTFS=/var/lib/lxc/$CONTAINER_NAME/rootfs/
+ROOTFS=/var/lib/lxc/$GUEST_NAME/rootfs/
 
 # Create a stack user that is a member of the libvirtd group so that stack
 # is able to interact with libvirt.
@@ -214,9 +214,9 @@
 
 auto eth0
 iface eth0 inet static
-        address $CONTAINER_IP
-        netmask $CONTAINER_NETMASK
-        gateway $CONTAINER_GATEWAY
+        address $GUEST_IP
+        netmask $GUEST_NETMASK
+        gateway $GUEST_GATEWAY
 EOF
 
 # Configure the runner
@@ -227,7 +227,7 @@
 echo "nameserver $NAMESERVER" | sudo resolvconf -a eth0
 # Make there is a default route - needed for natty
 if ! route | grep -q default; then
-    sudo ip route add default via $CONTAINER_GATEWAY
+    sudo ip route add default via $GUEST_GATEWAY
 fi
 sleep 1
 
@@ -265,7 +265,7 @@
 fi
 
 # Start our container
-lxc-start -d -n $CONTAINER_NAME
+lxc-start -d -n $GUEST_NAME
 
 if [ "$WAIT_TILL_LAUNCH" = "1" ]; then
     # Done creating the container, let's tail the log
diff --git a/tools/build_lxc_multi.sh b/tools/build_lxc_multi.sh
index 3cccad7..5418ac9 100755
--- a/tools/build_lxc_multi.sh
+++ b/tools/build_lxc_multi.sh
@@ -18,7 +18,7 @@
 # Helper to launch containers
 function run_lxc {
     # For some reason container names with periods can cause issues :/
-    CONTAINER_NAME=$1 CONTAINER_IP=$2 CONTAINER_NETMASK=$NETMASK CONTAINER_GATEWAY=$GATEWAY NAMESERVER=$NAMESERVER TERMINATE=$TERMINATE STACKSH_PARAMS="$COMMON_VARS $3" ./build_lxc.sh
+    GUEST_NAME=$1 GUEST_IP=$2 GUEST_NETMASK=$NETMASK GUEST_GATEWAY=$GATEWAY NAMESERVER=$NAMESERVER TERMINATE=$TERMINATE STACKSH_PARAMS="$COMMON_VARS $3" ./build_lxc.sh
 }
 
 # Launch the head node - headnode uses a non-ip domain name,