diff --git a/cluster/auto.create.all.homedir.sh b/cluster/auto.create.all.homedir.sh
new file mode 100755
index 0000000..cde1670
--- /dev/null
+++ b/cluster/auto.create.all.homedir.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# Purpose {{{
+## This script will :
+### Try to get the member of an LDAP group (allowed to connect to Compute Cluster).
+### Call a script in order to create the homedir for each user.
+### If the list of member is unchanged from a previous run, the script exit.
+# }}}
+# Vars {{{
+DEBUG=0
+
+group_cn="ur1:div:lab:r423:ipr:app:calcul:util_calcul"
+group_base="ou=grouper,dc=univ-rennes1,dc=fr"
+ldap_url="ldap://ldap.univ-rennes1.fr"
+
+ldap_user=$(sed -n 's/\(^ldap_default_bind_dn = \)\(.*\)/\2/p' /etc/sssd/sssd.conf)
+ldap_tok=$(find /etc/sssd/conf.d -type f -exec sed -n 's/\(^ldap_default_authtok = \)\(.*\)/\2/p' {} \; -quit)
+
+new_user_list_path="/tmp/cluster.user.list"
+old_user_list_path="/tmp/cluster.user.list.old"
+
+script_wd=$(dirname -- "${0}")
+homedir_script="${script_wd}/create.homedir.sh"
+# }}}
+
+# Check if ldap-utils/ldapsearch is available {{{
+if [ ! "$(command -v ldapsearch)" ]; then
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : ldapsearch check — ldapsearch doesn't seems to be available. Please install ldap-utils package."
+	exit 1
+fi
+# }}}
+# Check if a new user list already exist {{{
+if [ -s "${new_user_list_path}" ]; then
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New user list — ${new_user_list_path} already exists."
+	exit 1
+else
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New User list — Get the user list."
+	if command ldapsearch -ZZ -D "${ldap_user}" -w "${ldap_tok}" -H "${ldap_url}" -s one -b "${group_base}" "(cn=${group_cn})" member | sed -n 's/\(^member: uid=\)\(.*\)\(,ou=.*\)/\2/p' > "${new_user_list_path}"; then
+		if [ -s "${new_user_list_path}" ]; then
+			[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New User list — ${new_user_list_path} successfully created."
+			command chmod 0400 -- "${new_user_list_path}"
+		else
+			[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New User list — Error. ${new_user_list_path} is empty."
+			exit 1
+		fi
+	else
+		[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : New User list — Error in ldapsearch command."
+		exit 1
+	fi
+fi
+# }}}
+# Compare new user list with the previous one {{{
+if [ -s "${old_user_list_path}" ]; then
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Old user list — Compare ${new_user_list_path} with ${old_user_list_path}."
+diff -- "${new_user_list_path}" "${old_user_list_path}"
+	if command diff -q -- "${new_user_list_path}" "${old_user_list_path}" > /dev/null; then
+		[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Old user list — ${new_user_list_path} and ${old_user_list_path} are the same, no need to create directories."
+		command mv -f -- "${new_user_list_path}" "${old_user_list_path}"
+		command chmod 0400 -- "${old_user_list_path}"
+		exit 0
+		else
+		[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Old user list — ${new_user_list_path} and ${old_user_list_path} are NOT the same."
+	fi
+fi
+# }}}
+# Create user homedir {{{
+while IFS= read -r username; do
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Homedir — Apply ${homedir_script} for ${username}."
+	${homedir_script} "${username}"
+done < "${new_user_list_path}"
+# }}}
+
+# Keep a record of user list for next use and restrict access
+command mv -f -- "${new_user_list_path}" "${old_user_list_path}"
+command chmod 0400 -- "${old_user_list_path}"
+
+exit 0