updated install.sh for .NET 5.0

DnsServerApp/install.sh

@@ -0,0 +1,92 @@
+#!/bin/sh
+
+dotnetDir="/opt/dotnet"
+dnsDir="/etc/dns"
+dnsTar="/etc/dns/DnsServerPortable.tar.gz"
+dnsUrl="https://download.technitium.com/dns/DnsServerPortable.tar.gz"
+
+mkdir -p $dnsDir
+installLog="$dnsDir/install.log"
+echo "" > $installLog
+
+echo ""
+echo "==============================="
+echo "Technitium DNS Server Installer"
+echo "==============================="
+echo ""
+echo "Installing .NET Core Runtime..."
+
+curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin -c 5.0 --runtime dotnet --no-path --install-dir $dotnetDir --verbose >> $installLog 2>&1
+
+if [ ! -f "/usr/bin/dotnet" ]
+then
+	ln -s $dotnetDir/dotnet /usr/bin >> $installLog 2>&1
+fi
+
+echo ""
+echo "Downloading Technitium DNS Server..."
+
+if curl -o $dnsTar --fail $dnsUrl >> $installLog 2>&1
+then
+	if [ -d "/etc/dns/" ]
+	then
+		echo "Updating Technitium DNS Server..."
+	else
+		echo "Installing Technitium DNS Server..."
+	fi
+	
+	tar -zxf $dnsTar -C $dnsDir >> $installLog 2>&1
+	
+	if [ "$(ps --no-headers -o comm 1 | tr -d '\n')" = "systemd" ] 
+	then
+		if [ -f "/etc/systemd/system/dns.service" ]
+		then
+			echo "Restarting systemd service..."
+			systemctl restart dns.service >> $installLog 2>&1
+		else
+			echo "Configuring systemd service..."
+			cp $dnsDir/systemd.service /etc/systemd/system/dns.service
+			systemctl enable dns.service >> $installLog 2>&1
+			
+			systemctl stop systemd-resolved >> $installLog 2>&1
+			systemctl disable systemd-resolved >> $installLog 2>&1
+			
+			systemctl start dns.service >> $installLog 2>&1
+			
+			rm /etc/resolv.conf >> $installLog 2>&1
+			echo "nameserver 127.0.0.1" > /etc/resolv.conf 2>> $installLog
+			
+			if [ -f "/etc/NetworkManager/NetworkManager.conf" ]
+			then
+				echo "[main]" >> /etc/NetworkManager/NetworkManager.conf
+				echo "dns=default" >> /etc/NetworkManager/NetworkManager.conf
+			fi
+		fi
+	else
+		if [ -f "/etc/supervisor/conf.d/dns.conf" ]
+		then
+			echo "Restarting supervisor service..."
+			service supervisor restart >> $installLog 2>&1
+		else
+			echo "Installing supervisor..."
+			
+			until apt-get -y install supervisor >> $installLog 2>&1
+			do
+				echo "Trying again.."
+				sleep 2
+			done
+			
+			echo "Configuring supervisor service..."
+			cp $dnsDir/supervisor.conf /etc/supervisor/conf.d/dns.conf
+			service supervisor restart >> $installLog 2>&1
+		fi
+	fi
+	
+	echo ""
+	echo "Technitium DNS Server was installed succesfully!"
+	echo "Open http://$(hostname):5380/ to access the web console."
+else
+	echo ""
+	echo "Failed to download Technitium DNS Server from: $dnsUrl"
+	exit 1
+fi