Update cyberpanel.sh

Add desktop Os detection and bail

cyberpanel.sh

@@ -73,6 +73,15 @@ Panel_Version=${Temp_Value:12:3}
 Panel_Build=${Temp_Value:25:1}
 
 Branch_Name="v${Panel_Version}.${Panel_Build}"
+
+if [[ $Branch_Name = v*.*.* ]] ; then
+  echo -e  "\nBranch name fetched...$Branch_Name"
+else
+  echo -e "\nUnable to fetch Branch name..."
+  echo -e "\nPlease try again in few moments, if this error still happens, please contact support"
+  exit
+fi
+
 Base_Number="1.9.3"
 
 Total_RAM=$(free -m | awk '/Mem:/ { print $2 }')
@@ -165,12 +174,7 @@ Retry_Command() {
 # shellcheck disable=SC2034
 for i in {1..50};
 do
-  if [[ "$i" = "50" ]] ; then 
-    echo "command $1 failed for 50 times, exit..."
-    exit 2
-  else
-    $1  && break || echo -e "\n$1 has failed for $i times\nWait for 3 seconds and try again...\n"; sleep 3;
-  fi 
+  $1  && break || echo -e "\n$1 has failed for $i times\nWait for 3 seconds and try again...\n"; sleep 3;
 done
 }
 
@@ -234,6 +238,16 @@ if [[ ! -f /etc/os-release ]] ; then
   exit
 fi
 
+# Reference: https://unix.stackexchange.com/questions/116539/how-to-detect-the-desktop-environment-in-a-bash-script
+if [ -z "$XDG_CURRENT_DESKTOP" ]; then
+    echo "Desktop OS not detected. Proceeding"
+else
+    echo "$XDG_CURRENT_DESKTOP defined appears to be a desktop OS. Bailing as CyberPanel is incompatible."
+    echo -e "\nCyberPanel is supported on server OS types only. Such as Ubuntu 18.04 x86_64, Ubuntu 20.04 x86_64, Ubuntu 20.10 x86_64, CentOS 7.x, CentOS 8.x, AlmaLinux 8.x and CloudLinux 7.x...\n"
+    exit
+fi
+
+
 if ! uname -m | grep -q 64 ; then
   echo -e "x64 system is required...\n"
   exit
@@ -460,7 +474,7 @@ else
         Admin_Pass="1234567"
       else
         if [[ ${#1} -lt 8 ]]; then
-          echo -e "\nPassword lenth less than 8 digital, please choose a more complicated password.\n"
+          echo -e "\nPassword length less than 8 digital, please choose a more complicated password.\n"
           exit
         fi
         Admin_Pass="${1}"
@@ -718,7 +732,7 @@ elif [[ $Tmp_Input =~ ^(s|S) ]]; then
     exit
   fi
   if [[ ${#Tmp_Input} -lt 8 ]]; then
-    echo -e "\nPassword lenth less than 8 digital, please choose a more complicated password.\n"
+    echo -e "\nPassword length less than 8 digital, please choose a more complicated password.\n"
     exit
   fi
   Tmp_Input1=$Tmp_Input
@@ -990,7 +1004,7 @@ else
   update-locale LC_ALL="en_US.UTF-8"
 fi
 
-Debug_Log2 "Installing required virtual enviroment,3"
+Debug_Log2 "Installing required virtual environment,3"
 
 export LC_CTYPE=en_US.UTF-8
 export LC_ALL=en_US.UTF-8
@@ -1037,7 +1051,7 @@ Debug_Log2 "Necessary components installed..,5"
 }
 
 Pre_Install_System_Tweak() {
-Debug_Log2 "Setting up sytem tweak...,20"
+Debug_Log2 "Setting up system tweak...,20"
 Line_Number=$(grep -n "127.0.0.1" /etc/hosts | cut -d: -f 1)
 My_Hostname=$(hostname)
 
@@ -1089,12 +1103,6 @@ if ! grep -q "pid_max" /etc/rc.local 2>/dev/null ; then
     echo "echo 1000000 > /proc/sys/kernel/pid_max
     echo 1 > /sys/kernel/mm/ksm/run" >>/etc/rc.local
     chmod +x /etc/rc.local
-  fi
-  if grep -q "nf_conntrack_max" /etc/sysctl.conf ; then
-    sysctl -w net.netfilter.nf_conntrack_max=2097152 > /dev/null
-    sysctl -w net.nf_conntrack_max=2097152 > /dev/null
-    echo "net.netfilter.nf_conntrack_max=2097152" >> /etc/sysctl.conf
-    echo "net.nf_conntrack_max=2097152" >> /etc/sysctl.conf
   fi
     echo "fs.file-max = 65535" >>/etc/sysctl.conf
     sysctl -p >/dev/null
@@ -1203,8 +1211,8 @@ else
 fi
 
 if ./lshttpd -V |& grep "ERROR" || ./lshttpd -V |& grep "expire in 0 days" ; then
-  echo -e "\n\nIt apeears to have some issue with license , please check above result..."
-  Debug_Log2 "It appears to have some issue with LiteSpeed License, make sure you are using correct serial key. [404]"
+  echo -e "\n\nThere appears to be an issue with license , please check above result..."
+  Debug_Log2 "There appears to be an issue with LiteSpeed License, make sure you are using correct serial key. [404]"
   exit
 fi
 
@@ -1820,6 +1828,7 @@ fi
 # If valid hostname is set that resolves externally we can issue an ssl. This will create the hostname as a website so we can issue the SSL and do our first login without SSL warnings or exceptions needed.
 HostName=$(hostname --fqdn); [ -n "$(dig @1.1.1.1 +short "$HostName")" ]  &&  echo "$HostName resolves to valid IP. Setting up hostname SSL" && cyberpanel createWebsite --package Default --owner admin --domainName $(hostname --fqdn) --email root@localhost --php 7.4 && cyberpanel hostNameSSL --domainName $(hostname --fqdn)
 
+
 }
 
 Post_Install_CN_Replacement() {