diff --git a/cyberpanel.sh b/cyberpanel.sh
index 48954b040..64a4928b8 100644
--- a/cyberpanel.sh
+++ b/cyberpanel.sh
@@ -5,8 +5,8 @@
 #set -u
 
 
-#CyberPanel installer script for CentOS 7.X, CentOS 8.X, CloudLinux 7.X, RockyLinux 8.X, Ubuntu 18.04, Ubuntu 20.04 , Ubuntu 20.10 and AlmaLinux 8.X
-#For whoever may edit this script, please follow :
+#CyberPanel installer script for CentOS 7, CentOS 8, CloudLinux 7, AlmaLinux 8, RockyLinux 8, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, openEuler 20.03 and openEuler 22.03
+#For whoever may edit this script, please follow:
 #Please use Pre_Install_xxx() and Post_Install_xxx() if you want to something respectively before or after the panel installation
 #and update below accordingly
 #Please use variable/functions name as MySomething or My_Something, and please try not to use too-short abbreviation :)
@@ -16,13 +16,13 @@
 #Set_Default_Variables() --->  set some default variable for later use
 #Check_Root()  ---> check for root
 #Check_Server_IP()  ---> check for server IP and geolocation at country level
-#Check_OS() ---> check system , support on centos7/8, rockylinux 8.x , almalinux 8.x ubutnu18/20 and cloudlinux 7 , 8 is untested.
+#Check_OS() ---> check system , support on CentOS 7/8, RockyLinux 8, AlmaLinux 8, Ubuntu 18/20, openEuler 20.03/22.03 and CloudLinux 7, 8 is untested.
 #Check_Virtualization()  ---> check for virtualizaon , #LXC not supported# , some edit needed on OVZ
 #Check_Panel() --->  check to make sure no other panel is installed
 #Check_Process() ---> check no other process like Apache is running
-#Check_Provider() ---> check the provider, certain provider like Alibaba or Tencent Yun may need some special change
+#Check_Provider() ---> check the provider, certain provider like Alibaba or Tencent Cloud may need some special change
 #Check_Argument() ---> parse argument and go to Argument_Mode() or Interactive_Mode() respectively
-#Pre_Install_Setup_Repository() ---> setup/install repositories for centos system.
+#Pre_Install_Setup_Repository() ---> setup/install repositories for CentOS and openEuler system.
 #go to Pre_Install_Setup_CN_Repository() if server is within China.
 #Pre_Install_Setup_Git_URL() --->  form up github URL , use Gitee for servers within China.
 #Pre_Install_Required_Components() --->  install required softwares and git clone it
@@ -33,7 +33,7 @@
 #Post_Install_Required_Components() --->  install some required softwares.
 #Post_Install_PHP_Session_Setup() --->  set up PHP session
 #Post_Install_PHP_TimezoneDB() ---> set up PHP timezoneDB
-#Post_Install_Regenerate_Cert() ---> regenerate cert for :7080 and :8090 to avoid Chrome on MacOS blocking.
+#Post_Install_Regenerate_Cert() ---> regenerate cert for :7080 and :8090 to avoid Chrome on macOS blocking.
 #Post_Install_Regenerate_Webadmin_Console_Passwd() ---> regenerate the webadmin console password
 #Post_Install_Setup_Watchdog() ---> set up watchdog script for webserver and MariaDB.
 #Post_Install_Setup_Utility() --->  set up utility script for some handy features
@@ -252,7 +252,6 @@ else
     exit
 fi
 
-
 if ! uname -m | grep -q x86_64 ; then
   echo -e "x86_64 system is required...\n"
   exit
@@ -268,22 +267,24 @@ elif grep -q -E "Rocky Linux" /etc/os-release ; then
   Server_OS="RockyLinux"
 elif grep -q -E "Ubuntu 18.04|Ubuntu 20.04|Ubuntu 20.10|Ubuntu 22.04" /etc/os-release ; then
   Server_OS="Ubuntu"
+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 Ubuntu 18.04 x86_64, Ubuntu 20.04 x86_64, Ubuntu 20.10 x86_64, Ubuntu 22.04 x86_64, CentOS 7.x, CentOS 8.x, AlmaLinux 8.x, RockyLinux 8.x, CloudLinux 7.x, CloudLinux 8.x...\n"
-  Debug_Log2 "CyberPanel is supported on Ubuntu 18.04 x86_64, Ubuntu 20.04 x86_64, Ubuntu 20.10 x86_64, Ubuntu 22.04 x86_64, CentOS 7.x, CentOS 8.x, AlmaLinux 8.x, RockyLinux 8.x, CloudLinux 7.x, CloudLinux 8.x... [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, 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]"
   exit
 fi
 
 Server_OS_Version=$(grep VERSION_ID /etc/os-release | awk -F[=,] '{print $2}' | tr -d \" | head -c2 | tr -d . )
-#to make 20.04 display as 20
+#to make 20.04 display as 20, etc.
 
 echo -e "System: $Server_OS $Server_OS_Version detected...\n"
 
 if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] || [[ "$Server_OS" = "RockyLinux" ]] ; then
   Server_OS="CentOS"
-  #CloudLinux gives version id like 7.8 , 7.9 , so cut it to show first number only
-  #treat CL , Rocky and Alma as 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
 fi
 
 if [[ "$Debug" = "On" ]] ; then
@@ -830,12 +831,6 @@ if [[ $Server_OS = "CentOS" ]] ; then
   rm -f /etc/yum.repos.d/epel.repo
   rm -f /etc/yum.repos.d/epel.repo.rpmsave
 
-  yum install -y yum-plugin-copr
-    Check_Return "yum repo" "no_exit"
-  yum copr enable -y copart/restic
-    Check_Return "yum repo" "no_exit"
-
-
   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
@@ -865,6 +860,10 @@ if [[ $Server_OS = "CentOS" ]] ; then
     yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
       Check_Return "yum repo" "no_exit"
 
+    yum install -y yum-plugin-copr
+      Check_Return "yum repo" "no_exit"
+    yum copr enable -y copart/restic
+      Check_Return "yum repo" "no_exit"
     yum install -y yum-plugin-priorities
       Check_Return "yum repo" "no_exit"
     curl -o /etc/yum.repos.d/powerdns-auth-43.repo https://cyberpanel.sh/repo.powerdns.com/repo-files/centos-auth-43.repo
@@ -890,6 +889,25 @@ EOF
       Check_Return "yum repo" "no_exit"
   fi
 fi
+
+if [[ $Server_OS = "openEuler" ]]; then
+  rpm --import https://cyberpanel.sh/rpms.litespeedtech.com/centos/RPM-GPG-KEY-litespeed
+  #import the LiteSpeed GPG key
+  yum clean all
+  sed -i "s|gpgcheck=1|gpgcheck=0|g" /etc/yum.repos.d/openEuler.repo
+  sed -i "s|repo.openeuler.org|mirror.efaith.com.hk/openeuler|g" /etc/yum.repos.d/openEuler.repo
+
+  if [[ "$Server_OS_Version" = "20" ]]; then
+    dnf install --nogpg -y https://repo.yaro.ee/yaro-release-20.03LTS-latest.oe1.noarch.rpm
+      Check_Return "yum repo" "no_exit"
+  fi
+
+  if [[ "$Server_OS_Version" = "22" ]]; then
+    dnf install --nogpg -y https://repo.yaro.ee/yaro-release-22.03LTS-latest.oe2203.noarch.rpm
+      Check_Return "yum repo" "no_exit"
+  fi
+fi
+
 Debug_Log2 "Setting up repositories...,1"
 
 if [[ "$Server_Country" = "CN" ]] ; then
@@ -977,7 +995,7 @@ Pre_Install_Required_Components() {
 
 Debug_Log2 "Installing necessary components..,3"
 
-if [[ "$Server_OS" = "CentOS" ]] ; then
+if [[ "$Server_OS" = "CentOS" ]] || [[ "$Server_OS" = "openEuler" ]] ; then
   yum update -y
   if [[ "$Server_OS_Version" = "7" ]] ; then
     yum install -y wget strace net-tools curl which bc telnet htop libevent-devel gcc libattr-devel xz-devel gpgme-devel curl-devel git socat openssl-devel MariaDB-shared mariadb-devel yum-utils python36u python36u-pip python36u-devel zip unzip bind-utils
@@ -989,6 +1007,11 @@ if [[ "$Server_OS" = "CentOS" ]] ; then
       Check_Return
     dnf install -y gpgme-devel
       Check_Return
+  elif [[ "$Server_OS_Version" = "20" ]] || [[ "$Server_OS_Version" = "22" ]] ; then
+    dnf install -y libnsl zip wget strace net-tools curl which bc telnet htop libevent-devel gcc libattr-devel xz-devel mariadb-devel curl-devel git python3-devel tar socat python3 zip unzip bind-utils
+      Check_Return
+    dnf install -y gpgme-devel
+      Check_Return
   fi
   ln -s /usr/bin/pip3 /usr/bin/pip
 else
@@ -1124,7 +1147,7 @@ elif  [[ "$Server_OS" = "Ubuntu" ]] ; then
 fi
 
 if ! grep -q "pid_max" /etc/rc.local 2>/dev/null ; then
-  if [[ $Server_OS = "CentOS" ]] ; then
+  if [[ $Server_OS = "CentOS" ]] || [[ $Server_OS = "openEuler" ]] ; then
     echo "echo 1000000 > /proc/sys/kernel/pid_max
     echo 1 > /sys/kernel/mm/ksm/run" >>/etc/rc.d/rc.local
     chmod +x /etc/rc.d/rc.local
@@ -1425,7 +1448,7 @@ fi
 }
 
 Post_Install_Addon_Mecached_LSMCD() {
-if [[ $Server_OS = "CentOS" ]]; then
+if [[ $Server_OS = "CentOS" ]] || [[ $Server_OS = "openEuler" ]]; then
   yum groupinstall "Development Tools" -y
   yum install autoconf automake zlib-devel openssl-devel expat-devel pcre-devel libmemcached-devel cyrus-sasl* -y
   wget -O lsmcd-master.zip https://cyberpanel.sh/codeload.github.com/litespeedtech/lsmcd/zip/master
@@ -1479,6 +1502,18 @@ if [[ $Server_OS = "Ubuntu" ]]; then
     systemctl start memcached
   fi
 fi
+if [[ $Server_OS = "openEuler" ]]; then
+  #yum install -y lsphp??-memcached lsphp??-pecl-memcached
+  if [[ $Total_RAM -eq "2048" ]] || [[ $Total_RAM -gt "2048" ]]; then
+    Post_Install_Addon_Mecached_LSMCD
+  else
+    yum install -y memcached
+    sed -i 's|OPTIONS=""|OPTIONS="-l 127.0.0.1 -U 0"|g' /etc/sysconfig/memcached
+    #turn off UDP and bind to 127.0.0.1 only
+    systemctl enable memcached
+    systemctl start memcached
+  fi
+fi
 
 if pgrep "lsmcd" ; then
   echo -e "\n\nLiteSpeed Memcached installed and running..."
@@ -1522,6 +1557,10 @@ else
   systemctl start redis
 fi
 
+if [[ "$Server_OS" = "openEuler" ]]; then
+  #yum install -y lsphp??-redis redis
+fi
+
 if pgrep "redis" ; then
   echo -e "\n\nRedis installed and running..."
   touch /home/cyberpanel/redis
@@ -1559,7 +1598,7 @@ for PHP_Version in /usr/local/lsws/lsphp?? ;
   do
     PHP_INI_Path=$(find "$PHP_Version" -name php.ini)
 
-    if [[ "$Server_OS" = "CentOS" ]]; then
+    if [[ "$Server_OS" = "CentOS" ]] || [[ "$Server_OS" = "openEuler" ]]; then
       if [[ ! -d "${PHP_Version}/tmp" ]]; then
         mkdir "${PHP_Version}/tmp"
       fi
@@ -1627,7 +1666,7 @@ if [[ "$Watchdog" = "On" ]]; then
     nohup watchdog mariadb >/dev/null 2>&1 &
   fi
 
-  if [[ "$Server_OS" = "CentOS" ]]; then
+  if [[ "$Server_OS" = "CentOS" ]] || [[ "$Server_OS" = "openEuler" ]]; then
     echo "nohup watchdog lsws > /dev/null 2>&1 &
 nohup watchdog mariadb > /dev/null 2>&1 &" >>/etc/rc.d/rc.local
   else
@@ -1832,7 +1871,7 @@ rm -f /usr/bin/php
 ln -s /usr/local/lsws/lsphp74/bin/php /usr/bin/php
 
 if [[ "$Server_OS" = "CentOS" ]] ; then
-#all centos7/8 post change goes here
+#all centos 7/8 post change goes here
 
   sed -i 's|error_reporting = E_ALL \& ~E_DEPRECATED \& ~E_STRICT|error_reporting = E_ALL \& ~E_DEPRECATED \& ~E_STRICT|g' /usr/local/lsws/{lsphp72,lsphp73}/etc/php.ini
 #fix php.ini & issue
@@ -1871,10 +1910,8 @@ if [[ "$Server_OS" = "CentOS" ]] ; then
   fi
 
 elif [[ "$Server_OS" = "Ubuntu" ]] ; then
-#all ubuntu18/20 post change goes here
-
+#all ubuntu 18/20 post change goes here
   sed -i 's|/usr/local/lsws/bin/lswsctrl restart|systemctl restart lsws|g' /var/spool/cron/crontabs/root
-
   if [[ ! -f /usr/sbin/ipset ]] ; then
     ln -s /sbin/ipset /usr/sbin/ipset
   fi
@@ -1889,9 +1926,12 @@ elif [[ "$Server_OS" = "Ubuntu" ]] ; then
     :
   fi
 
+elif [[ "$Server_OS" = "openEuler" ]] ; then
+  sed -i 's|error_reporting = E_ALL \& ~E_DEPRECATED \& ~E_STRICT|error_reporting = E_ALL \& ~E_DEPRECATED \& ~E_STRICT|g' /usr/local/lsws/{lsphp72,lsphp73}/etc/php.ini
+  #fix php.ini & issue
+  sed -i 's|/usr/local/lsws/bin/lswsctrl restart|systemctl restart lsws|g' /var/spool/cron/root
 fi
 
-
 if [[ "$Server_Edition" = "OLS" ]]; then
   Word="OpenLiteSpeed"
 else
diff --git a/cyberpanel_upgrade.sh b/cyberpanel_upgrade.sh
index cf18ef552..16f986907 100644
--- a/cyberpanel_upgrade.sh
+++ b/cyberpanel_upgrade.sh
@@ -4,8 +4,8 @@
 #set -x
 #set -u
 
-#CyberPanel installer script for CentOS 7.X, CentOS 8.X, CloudLinux 7.X, Ubuntu 18.04 and Ubuntu 20.04
-#For whoever may edit this script, please follow :
+#CyberPanel installer script for CentOS 7, CentOS 8, CloudLinux 7, AlmaLinux 8, RockyLinux 8, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, openEuler 20.03 and openEuler 22.03
+#For whoever may edit this script, please follow:
 #Please use Pre_Install_xxx() and Post_Install_xxx() if you want to something respectively before or after the panel installation
 #and update below accordingly
 #Please use variable/functions name as MySomething or My_Something, and please try not to use too-short abbreviation :)
@@ -121,22 +121,24 @@ elif grep -q "AlmaLinux-8" /etc/os-release ; then
   Server_OS="AlmaLinux"
 elif grep -q -E "Ubuntu 18.04|Ubuntu 20.04|Ubuntu 20.10" /etc/os-release ; then
   Server_OS="Ubuntu"
+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 Ubuntu 18.04 x86_64, Ubuntu 20.04 x86_64, Ubuntu 20.10 x86_64, CentOS 7.x, CentOS 8.x, CloudLinux 7.x and AlmaLinux 8.x...\n"
-  Debug_Log2 "CyberPanel is supported on Ubuntu 18.04 x86_64, Ubuntu 20.04 x86_64, Ubuntu 20.10 x86_64, CentOS 7.x, CentOS 8.x, AlmaLinux 8.x... [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, 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]"
   exit
 fi
 
 Server_OS_Version=$(grep VERSION_ID /etc/os-release | awk -F[=,] '{print $2}' | tr -d \" | head -c2 | tr -d . )
-#to make 20.04 display as 20
+#to make 20.04 display as 20, etc.
 
 echo -e "System: $Server_OS $Server_OS_Version detected...\n"
 
 if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] ; then
   Server_OS="CentOS"
-  #CloudLinux gives version id like 7.8 , 7.9 , so cut it to show first number only
-  #treat CL and Alma as 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
 fi
 
 if [[ "$Debug" = "On" ]] ; then
@@ -446,6 +448,18 @@ elif [[ "$Server_OS" = "Ubuntu" ]] ; then
   fi
 #all pre-upgrade operation for Ubuntu 20
 fi
+if [[ "$Server_OS" = "openEuler" ]] ; then
+  rm -f /etc/yum.repos.d/CyberPanel.repo
+  rm -f /etc/yum.repos.d/litespeed.repo
+
+  yum clean all
+  yum update -y
+
+  dnf install -y wget strace htop net-tools telnet curl which bc telnet htop libevent-devel gcc libattr-devel xz-devel mariadb-devel curl-devel git python3-devel tar socat bind-utils
+  dnf install gpgme-devel -y
+  dnf install python3 -y
+fi
+#all pre-upgrade operation for openEuler
 }
 
 Download_Requirement() {
@@ -506,6 +520,11 @@ elif [[ "$Server_OS" = "Ubuntu" ]] ; then
     Check_Return
   pip3 install --default-timeout=3600 --ignore-installed -r /usr/local/requirments.txt
     Check_Return
+elif [[ "$Server_OS" = "openEuler" ]] ; then
+  pip3 install --default-timeout=3600 virtualenv==16.7.9
+    Check_Return
+  pip3 install --default-timeout=3600 --ignore-installed -r /usr/local/requirments.txt
+    Check_Return
 fi
 
 #virtualenv -p /usr/bin/python3 --system-site-packages /usr/local/CyberPanel
diff --git a/cyberpanel_utility.sh b/cyberpanel_utility.sh
index c22dfe157..48ecf995f 100644
--- a/cyberpanel_utility.sh
+++ b/cyberpanel_utility.sh
@@ -23,10 +23,12 @@ check_OS() {
 	  Server_OS="Ubuntu"
 	elif grep -q -E "Rocky Linux" /etc/os-release ; then
 	  Server_OS="RockyLinux"
+	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 Ubuntu 18.04 x86_64, Ubuntu 20.04 x86_64, Ubuntu 20.10 x86_64, CentOS 7.x, CentOS 8.x, AlmaLinux 8.x, RockyLinux 8.x, CloudLinux 7.x, CloudLinux 8.x...\n"
-	  Debug_Log2 "CyberPanel is supported on Ubuntu 18.04 x86_64, Ubuntu 20.04 x86_64, Ubuntu 20.10 x86_64, CentOS 7.x, CentOS 8.x, AlmaLinux 8.x, RockyLinux 8.x, CloudLinux 7.x, CloudLinux 8.x... [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, 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]"
 	  exit
 	fi
 
@@ -37,8 +39,8 @@ check_OS() {
 
 	if [[ $Server_OS = "CloudLinux" ]] || [[ "$Server_OS" = "AlmaLinux" ]] || [[ "$Server_OS" = "RockyLinux" ]] ; then
 	  Server_OS="CentOS"
-	  #CloudLinux gives version id like 7.8 , 7.9 , so cut it to show first number only
-	  #treat CL , Rocky and Alma as 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
 	fi
 
 }
@@ -212,7 +214,7 @@ phpmyadmin_limits() {
 	read TMP_YN
 	if [[ $TMP_YN == "Y" ]] || [[ $TMP_YN == "y" ]] ; then 
 	
-		if [[ "$SERVER_OS" == "CentOS" ]] ; then 
+		if [[ "$SERVER_OS" == "CentOS" ]] || [[ "$SERVER_OS" == "openEuler" ]] ; then 
 			php_ini_path="/usr/local/lsws/lsphp73/etc/php.ini"
 		fi 
 
@@ -238,6 +240,9 @@ install_php_redis() {
 	if [[ $SERVER_OS == "Ubuntu" ]] ; then
 		DEBIAN_FRONTEND=noninteractive apt install -y lsphp74-redis lsphp73-redis lsphp72-redis lsphp71-redis lsphp70-redis
 	fi
+	if [[ $SERVER_OS == "openEuler" ]] ; then
+		#dnf install -y lsphp74-redis lsphp73-redis lsphp72-redis lsphp71-redis
+	fi
 	echo -e "\nRedis extension for PHP has been installed..."
 	exit
 }
@@ -252,6 +257,9 @@ install_redis() {
 	if [[ ! -f /usr/bin/redis-cli ]] && [[ $SERVER_OS == "Ubuntu" ]] ; then
 		DEBIAN_FRONTEND=noninteractive apt install -y redis
 	fi
+	if [[ ! -f /usr/bin/redis-cli ]] && [[ $SERVER_OS == "openEuler" ]] ; then
+		yum install -y redis
+	fi
 	if ifconfig -a | grep inet6 ; then
 		echo -e "\n IPv6 detected..."
 	else
@@ -288,7 +296,7 @@ read TMP_YN
 		if [[ -f /usr/local/lsmcd/bin/lsmcd ]] ; then
 			echo -e "\nLiteSpeed Memcached is already installed..."
 		else
-			if [[ $SERVER_OS == "CentOS" ]] ; then
+			if [[ $SERVER_OS == "CentOS" ]] || [[ $SERVER_OS == "openEuler" ]] ; then
 				yum groupinstall "Development Tools" -y
 				yum install autoconf automake zlib-devel openssl-devel expat-devel pcre-devel libmemcached-devel cyrus-sasl* -y
 			elif [[ $SERVER_OS == "Ubuntu" ]] ; then
@@ -329,6 +337,11 @@ read TMP_YN
 		if [[ ! -f /usr/bin/memcached ]] && [[ $SERVER_OS == "Ubuntu" ]] ; then
 		  DEBIAN_FRONTEND=noninteractive apt install memcached -y
 		fi
+		if [[ ! -f /usr/bin/memcached ]] && [[ $SERVER_OS == "openEuler" ]] ; then
+		  yum install memcached -y
+		  sed -i 's|OPTIONS=""|OPTIONS="-l 127.0.0.1 -U 0"|g' /etc/sysconfig/memcached
+		  #this will disbale UDP and bind to 127.0.0.1 to prevent UDP amplification attack
+		fi
 		if systemctl is-active --quiet memcached ; then
 		systemctl status memcached
 		else
@@ -351,6 +364,9 @@ install_php_memcached() {
 	if [[ $SERVER_OS == "Ubuntu" ]] ; then
 	DEBIAN_FRONTEND=noninteractive apt install -y lsphp74-memcached lsphp73-memcached lsphp72-memcached lsphp71-memcached lsphp70-memcached
 	fi
+	if [[ $SERVER_OS == "openEuler" ]] ; then
+	#yum install -y lsphp74-memcached lsphp73-memcached lsphp72-memcached lsphp71-memcached
+	fi
 	echo -e "\nMemcached extension for PHP has been installed..."
 	exit
 }
diff --git a/faq.sh b/faq.sh
index 9eff7685c..3f44544e3 100644
--- a/faq.sh
+++ b/faq.sh
@@ -52,7 +52,7 @@ ${BLUE}------------------------------------------------------------${NC}
 
 ${PURPLE}6.${NC} How to raise upload limit for cyberpanel's phpMyAdmin and File Manager?
 
-edit file ${RED}/usr/local/lsws/lsphp73/etc/php.ini${NC} for CentOS
+edit file ${RED}/usr/local/lsws/lsphp73/etc/php.ini${NC} for CentOS or openEuler
 
 ${RED}/usr/local/lsws/lsphp73/etc/php/7.3/litespeed/php.ini${NC} for Ubbuntu
 
diff --git a/install.sh b/install.sh
index 4cac11a15..095d903e9 100644
--- a/install.sh
+++ b/install.sh
@@ -22,6 +22,16 @@ apt install -y -qq wget curl
 elif echo $OUTPUT | grep -q "Ubuntu 20.04" ; then
 apt install -y -qq wget curl
                 SERVER_OS="Ubuntu"
+elif echo $OUTPUT | grep -q "openEuler 20.03" ; then
+        echo -e "\nDetecting openEuler 20.03...\n"
+        SERVER_OS="openEuler"
+yum install curl wget -y 1> /dev/null
+yum update curl wget ca-certificates -y 1> /dev/null
+elif echo $OUTPUT | grep -q "openEuler 22.03" ; then
+        echo -e "\nDetecting openEuler 22.03...\n"
+        SERVER_OS="openEuler"
+yum install curl wget -y 1> /dev/null
+yum update curl wget ca-certificates -y 1> /dev/null
 else
 
                 echo -e "\nUnable to detect your OS...\n"
diff --git a/install/install.py b/install/install.py
index eacaac681..ba4b45038 100755
--- a/install/install.py
+++ b/install/install.py
@@ -33,6 +33,7 @@ def generate_pass(length=14):
 centos = 0
 ubuntu = 1
 cent8 = 2
+openeuler = 3
 
 
 def get_distro():
@@ -45,8 +46,8 @@ def get_distro():
                 if line == "DISTRIB_ID=Ubuntu\n":
                     distro = ubuntu
 
-    elif exists("/etc/os-release"):
-        distro_file = "/etc/os-release"
+    elif exists("/etc/redhat-release"):
+        distro_file = "/etc/redhat-release"
         distro = centos
 
         data = open('/etc/redhat-release', 'r').read()
@@ -57,6 +58,10 @@ def get_distro():
             return cent8
         if data.find('Rocky Linux release 8') > -1 or data.find('Rocky Linux 8') > -1 or data.find('rocky:8') > -1:
             return cent8
+        
+    elif exists("/etc/openEuler-release"):
+        distro_file = "/etc/openEuler-release"
+        distro = openeuler
 
     else:
         logging.InstallLog.writeToFile("Can't find linux release file - fatal error")
@@ -268,7 +273,7 @@ class preFlightsChecks:
     def setup_account_cyberpanel(self):
         try:
 
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = "yum install sudo -y"
                 preFlightsChecks.call(command, self.distro, command,
                                       command,
@@ -359,7 +364,7 @@ class preFlightsChecks:
     def install_psmisc(self):
         self.stdOut("Install psmisc")
 
-        if self.distro == centos or self.distro == cent8:
+        if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
             command = "yum -y install psmisc"
         else:
             command = "apt-get -y install psmisc"
@@ -642,7 +647,7 @@ password="%s"
         command = "find /usr/local/CyberCP/ -name '*.pyc' -delete"
         preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
-        if self.distro == cent8 or self.distro == centos:
+        if self.distro == cent8 or self.distro == centos or self.distro == openeuler:
             command = 'chown root:pdns /etc/pdns/pdns.conf'
             preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
@@ -691,7 +696,7 @@ password="%s"
     def install_unzip(self):
         self.stdOut("Install unzip")
         try:
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'yum -y install unzip'
             else:
                 command = 'apt-get -y install unzip'
@@ -703,7 +708,7 @@ password="%s"
     def install_zip(self):
         self.stdOut("Install zip")
         try:
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'yum -y install zip'
             else:
                 command = 'apt-get -y install zip'
@@ -813,12 +818,14 @@ $cfg['Servers'][$i]['LogoutURL'] = 'phpmyadminsignin.php?logout';
                 command = 'yum install --enablerepo=gf-plus -y postfix3 postfix3-ldap postfix3-mysql postfix3-pcre'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
             elif self.distro == cent8:
-
                 command = 'dnf --nogpg install -y https://mirror.ghettoforge.org/distributions/gf/gf-release-latest.gf.el8.noarch.rpm'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
                 command = 'dnf install --enablerepo=gf-plus postfix3 postfix3-mysql -y'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 1, os.EX_OSERR)
+            elif self.distro == openeuler:
+                command = 'dnf install postfix -y'
+                preFlightsChecks.call(command, self.distro, command, command, 1, 1, os.EX_OSERR)
 
             else:
                 command = 'apt-get -y install debconf-utils'
@@ -842,6 +849,8 @@ $cfg['Servers'][$i]['LogoutURL'] = 'phpmyadminsignin.php?logout';
                 command = 'yum --enablerepo=gf-plus -y install dovecot23 dovecot23-mysql'
             elif self.distro == cent8:
                 command = 'dnf install --enablerepo=gf-plus dovecot23 dovecot23-mysql -y'
+            elif self.distro == openeuler:
+                command = 'dnf install dovecot -y'
             else:
                 command = 'apt-get -y install dovecot-mysql dovecot-imapd dovecot-pop3d'
 
@@ -1464,14 +1473,14 @@ autocreate_system_folders = On
             except:
                 pass
 
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'adduser lscpd -M -d /usr/local/lscp'
             else:
                 command = 'useradd lscpd -M -d /usr/local/lscp'
 
             preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'groupadd lscpd'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
                 # Added group in useradd for Ubuntu
@@ -1691,21 +1700,21 @@ autocreate_system_folders = On
         try:
             ## first install crontab
 
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'yum install cronie -y'
             else:
                 command = 'apt-get -y install cron'
 
             preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'systemctl enable crond'
             else:
                 command = 'systemctl enable cron'
 
             preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'systemctl start crond'
             else:
                 command = 'systemctl start cron'
@@ -1715,8 +1724,9 @@ autocreate_system_folders = On
             ##
 
             CentOSPath = '/etc/redhat-release'
+            openEulerPath = '/etc/openEuler-release'
 
-            if os.path.exists(CentOSPath):
+            if os.path.exists(CentOSPath) or os.path.exists(openEulerPath):
                 cronPath = '/var/spool/cron/root'
             else:
                 cronPath = '/var/spool/cron/crontabs/root'
@@ -1754,11 +1764,11 @@ autocreate_system_folders = On
 
                 writeToFile.close()
 
-            if not os.path.exists(CentOSPath):
+            if not os.path.exists(CentOSPath) or not os.path.exists(openEulerPath):
                 command = 'chmod 600 %s' % (cronPath)
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'systemctl restart crond.service'
             else:
                 command = 'systemctl restart cron.service'
@@ -1785,7 +1795,7 @@ autocreate_system_folders = On
 
     def install_rsync(self):
         try:
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 command = 'yum -y install rsync'
             else:
                 command = 'apt-get -y install rsync'
@@ -1843,14 +1853,14 @@ autocreate_system_folders = On
         try:
             if self.distro == centos:
                 command = 'yum -y install opendkim'
-            elif self.distro == cent8:
+            elif self.distro == cent8 or self.distro == openeuler:
                 command = 'dnf install opendkim -y'
             else:
                 command = 'apt-get -y install opendkim'
 
             preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
-            if self.distro == cent8:
+            if self.distro == cent8 or self.distro == openeuler:
                 command = 'dnf install opendkim-tools -y'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
@@ -2086,12 +2096,15 @@ milter_default_action = accept
         try:
 
             CentOSPath = '/etc/redhat-release'
+            openEulerPath = '/etc/openEuler-release'
+
+            if os.path.exists(CentOSPath) or os.path.exists(openEulerPath):
+                if self.distro == centos:
+                    command = 'yum install -y yum-plugin-copr'
+                    preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
+                    command = 'yum copr enable -y copart/restic'
+                    preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
-            if os.path.exists(CentOSPath):
-                command = 'yum install -y yum-plugin-copr'
-                preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
-                command = 'yum copr enable -y copart/restic'
-                preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
                 command = 'yum install -y restic'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
                 command = 'restic self-update'
@@ -2114,8 +2127,9 @@ milter_default_action = accept
         try:
 
             CentOSPath = '/etc/redhat-release'
+            openEulerPath = '/etc/openEuler-release'
 
-            if os.path.exists(CentOSPath):
+            if os.path.exists(CentOSPath) or os.path.exists(openEulerPath):
                 command = 'mkdir -p /opt/cpvendor/etc/'
                 preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
 
diff --git a/install/installCyberPanel.py b/install/installCyberPanel.py
index 60c10cd9c..22dc6310d 100755
--- a/install/installCyberPanel.py
+++ b/install/installCyberPanel.py
@@ -14,6 +14,7 @@ import time
 centos = 0
 ubuntu = 1
 cent8 = 2
+openeuler = 3
 
 
 def get_Ubuntu_release():
@@ -71,7 +72,7 @@ class InstallCyberPanel:
                 command = 'yum install -y openlitespeed'
                 install.preFlightsChecks.call(command, self.distro, command, command, 1, 1, os.EX_OSERR)
             else:
-                command = 'yum install -y openlitespeed'
+                command = 'dnf install -y openlitespeed'
                 install.preFlightsChecks.call(command, self.distro, command, command, 1, 1, os.EX_OSERR)
 
         else:
@@ -250,6 +251,10 @@ class InstallCyberPanel:
         if self.distro == cent8:
             command = 'dnf install lsphp71* lsphp72* lsphp73* lsphp74* lsphp80* --exclude lsphp73-pecl-zip --exclude *imagick* -y'
             subprocess.call(command, shell=True)
+        
+        if self.distro == openeuler:
+            command = 'dnf install lsphp71* lsphp72* lsphp73* lsphp74* lsphp80* -y'
+            subprocess.call(command, shell=True)
 
     def installMySQL(self, mysql):
 
@@ -272,7 +277,7 @@ class InstallCyberPanel:
             command = "apt-get -y install mariadb-server"
         elif self.distro == centos:
             command = 'yum --enablerepo=mariadb -y install MariaDB-server MariaDB-client'
-        elif self.distro == cent8:
+        elif self.distro == cent8 or self.distro == openeuler:
             command = 'dnf -y install mariadb-server'
 
         install.preFlightsChecks.call(command, self.distro, command, command, 1, 1, os.EX_OSERR)
@@ -369,7 +374,7 @@ class InstallCyberPanel:
         elif self.distro == centos:
             command = "yum install -y pure-ftpd"
             install.preFlightsChecks.call(command, self.distro, command, command, 1, 1, os.EX_OSERR)
-        elif self.distro == cent8:
+        elif self.distro == cent8 or self.distro == openeuler:
             command = 'dnf install pure-ftpd -y'
             install.preFlightsChecks.call(command, self.distro, command, command, 1, 1, os.EX_OSERR)
 
@@ -405,7 +410,7 @@ class InstallCyberPanel:
             except:
                 logging.InstallLog.writeToFile("[ERROR] Could not create directory for FTP SSL")
 
-            if (self.distro == centos or self.distro == cent8) or (
+            if (self.distro == centos or self.distro == cent8 or self.distro == openeuler) or (
                     self.distro == ubuntu and get_Ubuntu_release() == 18.14):
                 command = 'openssl req -newkey rsa:1024 -new -nodes -x509 -days 3650 -subj "/C=US/ST=Denial/L=Springfield/O=Dis/CN=www.example.com" -keyout /etc/ssl/private/pure-ftpd.pem -out /etc/ssl/private/pure-ftpd.pem'
             else:
@@ -502,7 +507,7 @@ class InstallCyberPanel:
     def installPowerDNS(self):
         try:
 
-            if self.distro == ubuntu or self.distro == cent8:
+            if self.distro == ubuntu or self.distro == cent8 or self.distro == openeuler:
                 command = 'systemctl stop systemd-resolved'
                 install.preFlightsChecks.call(command, self.distro, command, command, 1, 0, os.EX_OSERR)
                 command = 'systemctl disable systemd-resolved.service'
@@ -555,7 +560,7 @@ class InstallCyberPanel:
             InstallCyberPanel.stdOut("Configuring PowerDNS..", 1)
 
             os.chdir(self.cwd)
-            if self.distro == centos or self.distro == cent8:
+            if self.distro == centos or self.distro == cent8 or self.distro == openeuler:
                 dnsPath = "/etc/pdns/pdns.conf"
             else:
                 dnsPath = "/etc/powerdns/pdns.conf"
diff --git a/plogical/upgrade.py b/plogical/upgrade.py
index e57004a08..aba920c1d 100755
--- a/plogical/upgrade.py
+++ b/plogical/upgrade.py
@@ -25,6 +25,8 @@ Ubuntu18 = 2
 Ubuntu20 = 3
 CloudLinux7 = 4
 CloudLinux8 = 5
+openEuler20 = 6
+openEuler22 = 7
 
 
 class Upgrade:
@@ -33,6 +35,7 @@ class Upgrade:
     installedOutput = ''
     CentOSPath = '/etc/redhat-release'
     UbuntuPath = '/etc/lsb-release'
+    openEulerPath = '/etc/openEuler-release'
     FromCloud = 0
     SnappyVersion = '2.15.3'
 
@@ -81,6 +84,15 @@ class Upgrade:
                 return CENTOS8
             else:
                 return CENTOS7
+
+        elif os.path.exists(Upgrade.openEulerPath):
+            result = open(Upgrade.openEulerPath, 'r').read()
+
+            if result.find('20.03') > -1:
+                return openEuler20
+            elif result.find('22.03') > -1:
+                return openEuler22
+
         else:
             result = open(Upgrade.UbuntuPath, 'r').read()
 
@@ -89,7 +101,6 @@ class Upgrade:
             else:
                 return Ubuntu18
 
-
     @staticmethod
     def stdOut(message, do_exit=0):
         print("\n\n")
@@ -2152,7 +2163,7 @@ echo $oConfig->Save() ? 'Done' : 'Error';
             command = "find /usr/local/CyberCP/ -name '*.pyc' -delete"
             Upgrade.executioner(command, 0)
 
-            if os.path.exists(Upgrade.CentOSPath):
+            if os.path.exists(Upgrade.CentOSPath) or os.path.exists(Upgrade.openEulerPath):
                 command = 'chown root:pdns /etc/pdns/pdns.conf'
                 Upgrade.executioner(command, 0)
 
@@ -2180,8 +2191,9 @@ echo $oConfig->Save() ? 'Done' : 'Error';
             ###
 
             CentOSPath = '/etc/redhat-release'
+            openEulerPath = '/etc/openEuler-release'
 
-            if not os.path.exists(CentOSPath):
+            if not os.path.exists(CentOSPath) or not os.path.exists(openEulerPath):
                 group = 'nobody'
             else:
                 group = 'nogroup'
@@ -2262,8 +2274,9 @@ echo $oConfig->Save() ? 'Done' : 'Error';
             os.system(command)
 
         CentOSPath = '/etc/redhat-release'
+        openEulerPath = '/etc/openEuler-release'
 
-        if not os.path.exists(CentOSPath):
+        if not os.path.exists(CentOSPath) or not os.path.exists(openEulerPath):
             command = 'cp /usr/local/lsws/lsphp71/bin/php /usr/bin/'
             Upgrade.executioner(command, 'Set default PHP 7.0, 0')
 
@@ -2280,6 +2293,7 @@ echo $oConfig->Save() ? 'Done' : 'Error';
         try:
             Upgrade.stdOut("Upgrading Dovecot..")
             CentOSPath = '/etc/redhat-release'
+            openEulerPath = '/etc/openEuler-release'
 
             dovecotConfPath = '/etc/dovecot/'
             postfixConfPath = '/etc/postfix/'
@@ -2297,7 +2311,7 @@ echo $oConfig->Save() ? 'Done' : 'Error';
             command = 'cp -pR %s %s' % (postfixConfPath, configbackups)
             Upgrade.executioner(command, 0)
 
-            if Upgrade.FindOperatingSytem() == CENTOS8 or Upgrade.FindOperatingSytem() == CENTOS7:
+            if Upgrade.FindOperatingSytem() == CENTOS8 or Upgrade.FindOperatingSytem() == CENTOS7 or Upgrade.FindOperatingSytem() == openEuler22 or Upgrade.FindOperatingSytem() == openEuler20:
 
                 command = "yum makecache -y"
                 Upgrade.executioner(command, 0)
@@ -2419,8 +2433,9 @@ echo $oConfig->Save() ? 'Done' : 'Error';
     @staticmethod
     def installRestic():
         CentOSPath = '/etc/redhat-release'
+        openEulerPath = '/etc/openEuler-release'
 
-        if os.path.exists(CentOSPath):
+        if os.path.exists(CentOSPath) or os.path.exists(openEulerPath):
             if Upgrade.installedOutput.find('restic') == -1:
                 command = 'yum install restic -y'
                 Upgrade.executioner(command, 'Install Restic')
@@ -2451,8 +2466,9 @@ echo $oConfig->Save() ? 'Done' : 'Error';
         try:
 
             CentOSPath = '/etc/redhat-release'
+            openEulerPath = '/etc/openEuler-release'
 
-            if os.path.exists(CentOSPath):
+            if os.path.exists(CentOSPath) or os.path.exists(openEulerPath):
                 command = 'mkdir -p /opt/cpvendor/etc/'
                 Upgrade.executioner(command, 0)
 
@@ -2517,8 +2533,9 @@ vmail
         # Install findBWUsage cron if missing
 
         CentOSPath = '/etc/redhat-release'
+        openEulerPath = '/etc/openEuler-release'
 
-        if os.path.exists(CentOSPath):
+        if os.path.exists(CentOSPath) or os.path.exists(openEulerPath):
             cronPath = '/var/spool/cron/root'
         else:
             cronPath = '/var/spool/cron/crontabs/root'
@@ -2581,7 +2598,7 @@ vmail
             writeToFile.close()
 
 
-        if not os.path.exists(CentOSPath):
+        if not os.path.exists(CentOSPath) or not os.path.exists(openEulerPath):
             command = 'chmod 600 %s' % (cronPath)
             Upgrade.executioner(command, 0)
 
@@ -2615,7 +2632,7 @@ vmail
         # Upgrade.stdOut("Upgrades are currently disabled")
         # return 0
 
-        if os.path.exists(Upgrade.CentOSPath):
+        if os.path.exists(Upgrade.CentOSPath) or os.path.exists(Upgrade.openEulerPath):
             command = 'yum list installed'
             Upgrade.installedOutput = subprocess.check_output(shlex.split(command)).decode()
         else: