diff --git a/functions.php b/functions.php
index 96da8ff..a52262b 100644
--- a/functions.php
+++ b/functions.php
@@ -17,45 +17,19 @@ function ping_redis() {
 
 function check_install() { // is install in progress
 
-	global $REDIS_HOST;
-
-	$redis = new Redis();
-	$redis->connect($REDIS_HOST);
-	if ($redis->ping()) {
-		$members = $redis->sMembers("web_in"); // redis-cli -h redis-server smembers $group
-
-		$in_progress=0;
-		foreach ($members as $member) {
-			if (substr($member,0,7)=="install") {
-				$in_progress=$member;
-				break;
-			}
-		}
-		return $in_progress;
-	}
+	$arr = check_request("install");
+	if (!empty($arr)) return "install"; // install in progress
+	else return "";
 }
 
 function check_deploy() { // is a deploy in progress
 
-	global $REDIS_HOST;
-
-	$redis = new Redis();
-	$redis->connect($REDIS_HOST);
-	if ($redis->ping()) {
-		$members = $redis->sMembers("web_in"); // redis-cli -h redis-server smembers $group
-
-		$in_progress=0;
-		foreach ($members as $member) {
-			if (substr($member,0,10)=="deployment") {
-				$in_progress=$member;
-				break;
-			}
-		}
-		return $in_progress;
-	}
+	$arr = check_request("deployment");
+	if (!empty($arr)) return "deployment"; // deploy in progress
+	else return 0;
 }
 
-function check_redis($group="scheduler_in", $key="") {
+function check_redis($group="web_out", $key="") {
 
 	global $REDIS_HOST;
 
diff --git a/install.php b/install.php
index 6e7de0b..f4f6c98 100644
--- a/install.php
+++ b/install.php
@@ -44,9 +44,10 @@ if ($key=check_install()) {
 }
 else {
 	$header_text="Installing in progress... Please wait...";
-	$key = "install:".date("YmdHis");
-	redis_set($key,$json);
-	//$key = "install:20240816101849"; // DEBUG
+	//$key = "install:".date("YmdHis");
+	$key = "install";
+	if (set_output($key,$json)) echo "OK";
+	else echo "ERROR";
 }
 
 /*