diff --git a/cyberpanel.sh b/cyberpanel.sh
index 342f3b96c..dee4ec7fb 100644
--- a/cyberpanel.sh
+++ b/cyberpanel.sh
@@ -257,8 +257,10 @@ if ! uname -m | grep -qE 'x86_64|aarch64' ; then
   exit
 fi
 
-if grep -q -E "CentOS Linux 7|CentOS Linux 8" /etc/os-release ; then
+if grep -q -E "CentOS Linux 7|CentOS Linux 8|CentOS Stream" /etc/os-release ; then
   Server_OS="CentOS"
+elif grep -q "Red Hat Enterprise Linux" /etc/os-release ; then
+  Server_OS="RedHat"
 elif grep -q "AlmaLinux-8" /etc/os-release ; then
   Server_OS="AlmaLinux"
 elif grep -q -E "CloudLinux 7|CloudLinux 8" /etc/os-release ; then
@@ -271,8 +273,8 @@ elif grep -q -E "openEuler 20.03|openEuler 22.03" /etc/os-release ; then
   Server_OS="openEuler"
 else
   echo -e "Unable to detect your system..."
-  echo -e "\nCyberPanel is supported on x86_64 based Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, Ubuntu 22.04, CentOS 7, CentOS 8, AlmaLinux 8, RockyLinux 8, CloudLinux 7, CloudLinux 8, openEuler 20.03, openEuler 22.03...\n"
-  Debug_Log2 "CyberPanel is supported on x86_64 based Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, Ubuntu 22.04, CentOS 7, CentOS 8, AlmaLinux 8, RockyLinux 8, CloudLinux 7, CloudLinux 8, openEuler 20.03, openEuler 22.03... [404]"
+  echo -e "\nCyberPanel is supported on x86_64 based Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, Ubuntu 22.04, CentOS 7, CentOS 8, CentOS 9, RHEL 8, RHEL 9, AlmaLinux 8, RockyLinux 8, CloudLinux 7, CloudLinux 8, openEuler 20.03, openEuler 22.03...\n"
+  Debug_Log2 "CyberPanel is supported on x86_64 based Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, Ubuntu 22.04, CentOS 7, CentOS 8, CentOS 9, RHEL 8, RHEL 9, AlmaLinux 8, RockyLinux 8, CloudLinux 7, CloudLinux 8, openEuler 20.03, openEuler 22.03... [404]"
   exit
 fi
 
@@ -281,7 +283,7 @@ Server_OS_Version=$(grep VERSION_ID /etc/os-release | awk -F[=,] '{print $2}' |
 
 echo -e "System: $Server_OS $Server_OS_Version detected...\n"
 
-if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] || [[ "$Server_OS" = "RockyLinux" ]] ; then
+if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] || [[ "$Server_OS" = "RockyLinux" ]] || [[ "$Server_OS" = "RedHat" ]] ; then
   Server_OS="CentOS"
   #CloudLinux gives version id like 7.8, 7.9, so cut it to show first number only
   #treat CloudLinux, Rocky and Alma as CentOS
@@ -831,6 +833,24 @@ if [[ $Server_OS = "CentOS" ]] ; then
   rm -f /etc/yum.repos.d/epel.repo
   rm -f /etc/yum.repos.d/epel.repo.rpmsave
 
+  if [[ "$Server_OS_Version" = "9" ]]; then
+    subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms || yum config-manager --set-enabled crb > /dev/null 2>&1
+    yum install -y https://cyberpanel.sh/dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
+      Check_Return "yum repo" "no_exit"
+    yum install -y https://rpms.remirepo.net/enterprise/remi-release-9.rpm
+      Check_Return "yum repo" "no_exit"
+    cat <<EOF >/etc/yum.repos.d/MariaDB.repo
+# MariaDB 10.4 CentOS repository list - created 2021-08-06 02:01 UTC
+# http://downloads.mariadb.org/mariadb/repositories/
+[mariadb]
+name = MariaDB
+baseurl = http://yum.mariadb.org/10.11/rhel9-amd64/
+gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
+enabled=1
+gpgcheck=1
+EOF
+  fi
+
   if [[ "$Server_OS_Version" = "8" ]]; then
     rpm --import https://cyberpanel.sh/www.centos.org/keys/RPM-GPG-KEY-CentOS-Official
     rpm --import https://cyberpanel.sh/dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-8
@@ -1007,6 +1027,9 @@ if [[ "$Server_OS" = "CentOS" ]] || [[ "$Server_OS" = "openEuler" ]] ; then
       Check_Return
     dnf install -y gpgme-devel
       Check_Return
+  elif [[ "$Server_OS_Version" = "9" ]] ; then
+    dnf install -y libnsl zip wget strace net-tools curl which bc telnet htop libevent-devel gcc libattr-devel xz-devel MariaDB-server MariaDB-client MariaDB-devel curl-devel git platform-python-devel tar socat python3 zip unzip bind-utils gpgme-devel
+      Check_Return
   elif [[ "$Server_OS_Version" = "20" ]] || [[ "$Server_OS_Version" = "22" ]] ; then
     dnf install -y libnsl zip wget strace net-tools curl which bc telnet htop libevent-devel gcc libattr-devel xz-devel mariadb-devel curl-devel git python3-devel tar socat python3 zip unzip bind-utils
       Check_Return
@@ -1336,6 +1359,11 @@ if [[ "$Server_OS" = "CentOS" ]] ; then
   #get this set up beforehand.
   fi
 
+  if [[ "$Server_OS_Version" = "9" ]] ; then
+    sed -i 's|rpm -Uvh http://rpms.litespeedtech.com/centos/litespeed-repo-1.1-1.el8.noarch.rpm|curl -o /etc/yum.repos.d/litespeed.repo https://rpms.litespeedtech.com/centos/litespeed.repo|g' install.py
+    sed -i "s|mirrorlist=http://mirrorlist.ghettoforge.org/el/8/gf/\$basearch/mirrorlist|baseurl=https://cyberpanel.sh/mirror.ghettoforge.org/distributions/gf/el/9/gf/x86_64/|g" /etc/yum.repos.d/gf.repo
+    sed -i "s|mirrorlist=http://mirrorlist.ghettoforge.org/el/8/plus/\$basearch/mirrorlist|baseurl=https://cyberpanel.sh/mirror.ghettoforge.org/distributions/gf/el/9/plus/x86_64/|g" /etc/yum.repos.d/gf.repo
+  fi
 fi
 
 sed -i "s|https://www.litespeedtech.com/|https://cyberpanel.sh/www.litespeedtech.com/|g" installCyberPanel.py
@@ -1534,7 +1562,7 @@ fi
 
 Post_Install_Addon_Redis() {
 if [[ "$Server_OS" = "CentOS" ]]; then
-  if [[ "$Server_OS_Version" = "8" ]]; then
+  if [[ "$Server_OS_Version" = "8" || "$Server_OS_Version" = "9" ]]; then
     yum install -y lsphp??-redis redis
   else
     yum -y install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
diff --git a/cyberpanel_upgrade.sh b/cyberpanel_upgrade.sh
index 7aba557bb..ae2720ae1 100644
--- a/cyberpanel_upgrade.sh
+++ b/cyberpanel_upgrade.sh
@@ -113,8 +113,10 @@ if ! uname -m | grep -qE 'x86_64|aarch64' ; then
   exit
 fi
 
-if grep -q -E "CentOS Linux 7|CentOS Linux 8" /etc/os-release ; then
+if grep -q -E "CentOS Linux 7|CentOS Linux 8|CentOS Stream" /etc/os-release ; then
   Server_OS="CentOS"
+elif grep -q "Red Hat Enterprise Linux" /etc/os-release ; then
+  Server_OS="RedHat"
 elif grep -q -E "CloudLinux 7|CloudLinux 8" /etc/os-release ; then
   Server_OS="CloudLinux"
 elif grep -q -E "Rocky Linux" /etc/os-release ; then
@@ -137,7 +139,7 @@ Server_OS_Version=$(grep VERSION_ID /etc/os-release | awk -F[=,] '{print $2}' |
 
 echo -e "System: $Server_OS $Server_OS_Version detected...\n"
 
-if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] || [[ "$Server_OS" = "RockyLinux" ]] ; then
+if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] || [[ "$Server_OS" = "RockyLinux" ]] || [[ "$Server_OS" = "RedHat" ]]; then
   Server_OS="CentOS"
   #CloudLinux gives version id like 7.8, 7.9, so cut it to show first number only
   #treat CloudLinux, Rocky and Alma as CentOS
diff --git a/cyberpanel_utility.sh b/cyberpanel_utility.sh
index 46a67c0ab..5b41a2001 100644
--- a/cyberpanel_utility.sh
+++ b/cyberpanel_utility.sh
@@ -13,8 +13,10 @@ check_OS() {
 	  exit
 	fi
 
-	if grep -q -E "CentOS Linux 7|CentOS Linux 8" /etc/os-release ; then
-	  Server_OS="CentOS"
+	if grep -q -E "CentOS Linux 7|CentOS Linux 8|CentOS Stream" /etc/os-release ; then
+          Server_OS="CentOS"
+        elif grep -q "Red Hat Enterprise Linux" /etc/os-release ; then
+          Server_OS="RedHat"
 	elif grep -q "AlmaLinux-8" /etc/os-release ; then
 	  Server_OS="AlmaLinux"
 	elif grep -q -E "CloudLinux 7|CloudLinux 8" /etc/os-release ; then
@@ -36,7 +38,7 @@ check_OS() {
 
 	echo -e "System: $Server_OS $Server_OS_Version detected...\n"
 
-	if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] || [[ "$Server_OS" = "RockyLinux" ]] ; then
+	if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] || [[ "$Server_OS" = "RockyLinux" ]] || [[ "$Server_OS" = "RedHat" ]]; then
 	  Server_OS="CentOS"
   	  #CloudLinux gives version id like 7.8, 7.9, so cut it to show first number only
   	  #treat CloudLinux, Rocky and Alma as CentOS
diff --git a/install.sh b/install.sh
index 426e97cc9..c3f6420dd 100644
--- a/install.sh
+++ b/install.sh
@@ -11,6 +11,16 @@ elif echo $OUTPUT | grep -q "CentOS Linux 8" ; then
         SERVER_OS="CentOS8"
 yum install curl wget -y 1> /dev/null
 yum update curl wget ca-certificates -y 1> /dev/null
+elif echo $OUTPUT | grep -q "CentOS Stream" ; then
+        echo -e "\nDetecting CentOS Stream...\n"
+        SERVER_OS="CentOS9"
+yum install wget -y 1> /dev/null
+yum update curl wget ca-certificates -y 1> /dev/null
+elif echo $OUTPUT | grep -q "Red Hat Enterprise Linux" ; then
+        echo -e "\nDetecting Red Hat Enterprise Linux...\n"
+        SERVER_OS="RHEL"
+        yum install wget -y 1> /dev/null
+yum update curl wget ca-certificates -y 1> /dev/null
 elif echo $OUTPUT | grep -q "AlmaLinux 8" ; then
         echo -e "\nDetecting AlmaLinux 8...\n"
         SERVER_OS="CentOS8"
@@ -56,4 +66,4 @@ rm -f cyberpanel.sh
 rm -f install.tar.gz
 curl --silent -o cyberpanel.sh "https://cyberpanel.sh/?dl&$SERVER_OS" 2>/dev/null
 chmod +x cyberpanel.sh
-./cyberpanel.sh $@
\ No newline at end of file
+./cyberpanel.sh $@