diff --git a/etc/hook.d/10-disable-tls b/etc/hook.d/10-disable-tls
index 96b4ebf..5cd85a6 100755
--- a/etc/hook.d/10-disable-tls
+++ b/etc/hook.d/10-disable-tls
@@ -7,9 +7,16 @@
 # http://www.steve.org.uk/
 
 
+
 prefix=$1
 dist=$2
 
 
+#
+#  This script doesn't do anything different on a per-distribution basis
+#
+
+
+
 mv ${prefix}/lib/tls ${prefix}/lib/tls.disabled
 mkdir ${prefix}/lib/tls
diff --git a/etc/hook.d/50-setup-hostname b/etc/hook.d/50-setup-hostname
index 8f65bc4..ac2e151 100755
--- a/etc/hook.d/50-setup-hostname
+++ b/etc/hook.d/50-setup-hostname
@@ -9,6 +9,12 @@
 
 
 prefix=$1
+dist=$2
+
+
+#
+#  This script doesn't do anything different on a per-distribution basis
+#
 
 echo ${hostname} > ${prefix}/etc/hostname
 echo ${hostname} > ${prefix}/etc/mailname
diff --git a/etc/hook.d/55-create-dev b/etc/hook.d/55-create-dev
index 334b18c..820326f 100755
--- a/etc/hook.d/55-create-dev
+++ b/etc/hook.d/55-create-dev
@@ -9,20 +9,46 @@
 
 
 prefix=$1
+dist=$2
+
 
 #
-#  Make sure we have a /dev directory and change into it.
+#  This routine sets up /dev on a Debian GNU/Linux system.
 #
-mkdir -p ${prefix}/dev
-cd ${prefix}/dev
+function setupDebian
+{
+    cd ${prefix}/dev
+    ./MAKEDEV generic
+}
+
 
 #
-# Make the devices.
+#  This routine sets up /dev on a CentOS4 system.
 #
-if [ "${rpmstrap}" ]; then
+function setupCentOS4
+{
     chroot ${prefix} /bin/sh -c 'cd /dev && ./MAKEDEV console'
     chroot ${prefix} /bin/sh -c 'cd /dev && ./MAKEDEV null'
     chroot ${prefix} /bin/sh -c 'cd /dev && ./MAKEDEV zero'
-else
-    ./MAKEDEV generic
-fi
\ No newline at end of file
+}
+
+
+
+
+#
+#  Entry point to the script.
+#
+case "${dist}" in
+    sarge|etch|sid)
+        setupDebian
+        ;;
+    centos4)
+	setupCentOS4
+	;;
+    *)
+	echo "Unknown distribution '${dist}'.  Fixme";
+	exit;
+	;;
+esac
+
+