diff --git a/scripts/experimental_helper.sh b/scripts/experimental_helper.sh
index 28b6123..3b82ce4 100644
--- a/scripts/experimental_helper.sh
+++ b/scripts/experimental_helper.sh
@@ -8,3 +8,53 @@ ynh_delete_file_checksum () {
 	local checksum_setting_name=checksum_${1//[\/ ]/_}	# Replace all '/' and ' ' by '_'
 	ynh_app_setting_delete $app $checksum_setting_name
 } 
+
+# Start or restart a service and follow its booting
+#
+# usage: ynh_check_starting "Line to match" [Log file] [Timeout] [Service name]
+#
+# | arg: Line to match - The line to find in the log to attest the service have finished to boot.
+# | arg: Log file - The log file to watch
+# | arg: Service name
+# /var/log/$app/$app.log will be used if no other log is defined.
+# | arg: Timeout - The maximum time to wait before ending the watching. Defaut 300 seconds.
+ynh_check_starting () {
+	local line_to_match="$1"
+	local service_name="${4:-$app}"
+	local app_log="${2:-/var/log/$service_name/$service_name.log}"
+	local timeout=${3:-300}
+
+	ynh_clean_check_starting () {
+		# Stop the execution of tail.
+		kill -s 15 $pid_tail 2>&1
+		ynh_secure_remove "$templog" 2>&1
+	}
+
+	echo "Starting of $service_name" >&2
+	systemctl restart $service_name
+	local templog="$(mktemp)"
+	# Following the starting of the app in its log
+	tail -F -n1 "$app_log" > "$templog" &
+	# Get the PID of the tail command
+	local pid_tail=$!
+
+	local i=0
+	for i in `seq 1 $timeout`
+	do
+		# Read the log until the sentence is found, that means the app finished to start. Or run until the timeout
+		if grep --quiet "$line_to_match" "$templog"
+		then
+			echo "The service $service_name has correctly started." >&2
+			break
+		fi
+		echo -n "." >&2
+		sleep 1
+	done
+	if [ $i -eq $timeout ]
+	then
+		echo "The service $service_name didn't fully started before the timeout." >&2
+	fi
+
+	echo ""
+	ynh_clean_check_starting
+}
\ No newline at end of file