diff --git a/precise/ldap/hooks/install b/precise/ldap/hooks/install
index ce1fc02..f4f6b95 100755
--- a/precise/ldap/hooks/install
+++ b/precise/ldap/hooks/install
@@ -1,7 +1,23 @@
 #!/bin/bash
 
-set -eux # -x for verbose logging to juju debug-log
 
+LDAP_ROOT_SUFFIX="dc=kalysto,dc=org"
+LDAP_ROOT_DN=${LDAP_ROOT_DN:-cn=admin,$LDAP_ROOT_SUFFIX}
+LDAP_ROOT_PW=acdlLlmap
+LDAP_USERS_SUFFIX=${LDAP_USERS_SUFFIX:-ou=Users,$LDAP_ROOT_SUFFIX}
+LDAP_GROUPS_SUFFIX=${LDAP_GROUPS_SUFFIX:-ou=Groups,$LDAP_ROOT_SUFFIX}
+LDAP_DEFAULT_GROUP=${LDAP_DEFAULT_GROUP:-basic-users}
+LDAP_DEFAULT_HOME=${LDAP_DEFAULT_HOME:-/home/kalysto.org}
+
+LDAP_ROOT_SUFFIX=${LDAP_ROOT_SUFFIX:-dc=example,dc=com}
+LDAP_ROOT_DN=${LDAP_ROOT_DN:-cn=admin,$LDAP_ROOT_SUFFIX}
+LDAP_ROOT_PW=${LDAP_ROOT_PW:secret}
+LDAP_USERS_SUFFIX=${LDAP_USERS_SUFFIX:-ou=People,$LDAP_ROOT_SUFFIX}
+LDAP_GROUPS_SUFFIX=${LDAP_GROUPS_SUFFIX:-ou=Group,$LDAP_ROOT_SUFFIX}
+LDAP_DEFAULT_GROUP=${LDAP_DEFAULT_GROUP:-Domain Users}
+LDAP_DEFAULT_HOME=${LDAP_DEFAULT_HOME:-/home}
+
+set -eux # -x for verbose logging to juju debug-log
 
 ## XXXvlab: this is interactive : requires a password !
 apt-get install -y slapd
@@ -10,12 +26,12 @@ apt-get install -y slapd
 apt-get install -y ldap-utils
 
 
-## Install a database
-
-rootsuffix="dc=example,dc=com"
-rootdn="cn=admin,$rootsuffix"
-rootpw="secret"
+## remove default database
+/etc/init.d/slapd stop
+rm "/etc/ldap/slapd.d/cn=config/olcDatabase={1}hdb.ldif"
+/etc/init.d/slapd start
 
+## Install a database
 cat <<EOF > /tmp/database.ldif
 
 ## XXXvlab: already loaded
@@ -31,10 +47,10 @@ dn: olcDatabase=hdb,cn=config
 objectClass: olcDatabaseConfig
 objectClass: olcHdbConfig
 olcDatabase: {1}hdb
-olcSuffix: $rootsuffix
+olcSuffix: $LDAP_ROOT_SUFFIX
 olcDbDirectory: /var/lib/ldap
-olcRootDN: $rootdn
-olcRootPW: $rootpw
+olcRootDN: $LDAP_ROOT_DN
+olcRootPW: $LDAP_ROOT_PW
 olcDbConfig: set_cachesize 0 2097152 0
 olcDbConfig: set_lk_max_objects 1500
 olcDbConfig: set_lk_max_locks 1500
@@ -42,11 +58,10 @@ olcDbConfig: set_lk_max_lockers 1500
 olcDbIndex: objectClass eq
 olcLastMod: TRUE
 olcDbCheckpoint: 512 30
-olcAccess: to attrs=userPassword by dn="$rootdn" write by anonymous auth by self write by * none
+olcAccess: to attrs=userPassword by dn="$LDAP_ROOT_DN" write by anonymous auth by self write by * none
 olcAccess: to attrs=shadowLastChange by self write by * read
 olcAccess: to dn.base="" by * read
-olcAccess: to * by dn="$rootdn" write by * read
-
+olcAccess: to * by dn="$LDAP_ROOT_DN" write by * read
 
 EOF
 
@@ -54,6 +69,19 @@ ldapadd -Y EXTERNAL -H ldapi:/// -f /tmp/database.ldif
 
 rm /tmp/database.ldif
 
+##
+## LDAP Backup
+##
+
+cat <<EOF > /etc/cron.d/ldapbackup
+
+SHELL=/bin/sh
+PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+
+32 1 * * *   root   ansi_colors=no dayold=3 nbold=15 ldapdump_to_dir /var/backups
+
+EOF
+
 
 ## MMC schema
 
@@ -62,29 +90,32 @@ echo "
 deb http://mds.mandriva.org/pub/mds/debian squeeze main
 " >> /etc/apt/sources.list
 apt-get update
-apt-get install -y mmc-agent
+apt-get install -y mmc-agent python-mmc-mail
 
 mmc-add-schema /usr/share/doc/python-mmc-base/contrib/ldap/mmc.schema /etc/ldap/schema/
 mmc-add-schema /usr/share/doc/python-mmc-base/contrib/ldap/mail.schema /etc/ldap/schema/
 
-## Change password
 ##
-
-#python -c 'print($LDAP_PASSWORD).encode("base64")'
-
-# to put in /etc/mmc/plugins/base.ini
-
-
-##
-## LDAP Backup
+## /etc/mmc/plugins/base.ini changes
 ##
 
-cat <<EOF > /etc/cron.d/ldapbackup
-
-SHELL=/bin/sh
-PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
-
-32 1 * * *   root   ansi_colors=no dayold=3 nbold=15 ldapdump_to_dir /var/backups
-
-EOF
-
+## Doesn't support a lot of different characters... '%\' comes to mind.
+function set_cfg_option() {
+    local file option value
+    file=$1
+    option=$2
+    value=$3
+    sed -ri "s%^(\s*$option\s*=\s*)(.*)$%\1$value%g" "$file" 
+}
+
+file="/etc/mmc/plugins/base.ini"
+set_cfg_option "$file" baseDN "$LDAP_ROOT_SUFFIX"
+set_cfg_option "$file" baseUsersDN "$LDAP_USERS_SUFFIX"
+set_cfg_option "$file" baseGroupsDN "$LDAP_GROUPS_SUFFIX"
+set_cfg_option "$file" rootName "$LDAP_ROOT_DN"
+set_cfg_option "$file" password "{base64}$(echo -n "$LDAP_ROOT_PW" | base64)"
+set_cfg_option "$file" defaultUserGroup "$LDAP_DEFAULT_GROUP"
+set_cfg_option "$file" defaultHomeDir "$LDAP_DEFAULT_HOME"
+
+
+set_cfg_option /etc/default/mmc-agent ENABLE yes