graphics and nice look

script.sh

@@ -1,15 +1,58 @@
 #!/bin/bash
 
-# better to run as root
+echo "Better to run as root, because of permisions handeling."
+
+sleep 2
+
+echo "Do you want to set up firewall rules by iptables? [Y/n]: "
+read ansFirewallSetup
+
+if [[ "n" !=  "$ansFirewallSetup" ]]; then
+	echo "\n Do you want to block non-LAN ssh connections? [Y/n/ip range]: "
+	read -n 1 sshBlockRange
+
+
+	if [[ "$sshBlockRange" == "y"
+		||"$sshBlockRange" == "Y"
+		||"$sshBlockRange" == "" ]]; then
+	
+		### Have to found how to locate LAN
+		$sshBlockRange = "y"
+
+	elif [[ "$sshBlockRange" == "n"
+		||  "$sshBlockRange" == "N"]]; then
+		
+		$sshBlockRange = ""
+
+	elif [[ -n "$sshBlockRange" ]]; then
+
+		echo "Hope you know what you are doing, I am not checking these :]"
+
+		echo "You have 5 seconds to stope this by pressing Ctrl+C" 
+
+		sleep 5
+
+		echo "OK, lets go now"
+
+		echo "Dont worry you will have time to chack if it is looking righ later."
+
+		sleep 2
+	fi
+fi
+
 
 # Just to be shure
+echo "\n+ Starting to upgrade base system\n\n"
+
 sudo apt update
 sudo apt upgrade -y
 
 # Installing depandencies
+echo "\n+ Installing depandencies \n\n" 
 sudo apt install openjdk-17-jre-headless screen p7zip-full iptables -y
 
 # User and groupe managment
+echo "\n+ Creating user minecraft and basic file structure"
 groupadd minecraft
 
 useradd --system --shell /usr/sbin/nologin --home /opt/minecraft -g minecraft minecraft
@@ -22,38 +65,30 @@ mv Forge-1.20.1.jar /opt/minecraft/
 cd /opt/minecraft/
 
 # Installing server
-java -Xms512M -Xmx2048M -jar Forge-1.20.1.jar --installServer
+echo "+ Installing Forge 1.20.1 \n \n"
 
-/bin/sleep 10 
+java -Xms512M -Xmx2048M -jar Forge-1.20.1.jar --installServer
 
 cd -
 
-# /opt/minecraft/run.sh # it may needs to run before copying eula. But I dont want to mess with timing
-
-# rm eula.txt # I hope this is not needed
-
 mv eula.txt /opt/minecraft/
-
+mv server-icon.png /opt/minecraft/
-# it may need to run run.sh but i dont want to >]^C
-
-# rm -rf world/
-
-# rm server.properties 
-
 mv server.properties /opt/minecraft/
 
-# rm run.sh 
-
 mv run.sh /opt/minecraft
 
 mkdir /opt/minecraft/mods
 
+echo "\n+ Unpacking mods \n \n"
+
 7z x Mods.zip -o/opt/minecraft/mods/
 
 # Permision handeling 
+echo "\n+ Permision handeling"
 chown -R minecraft:minecraft /opt/minecraft
 
 # SystemD service
+echo "+ Preparign systemD service"
 cp mc-forge.service /etc/systemd/system/
 
 systemctl daemon-reload
@@ -63,34 +98,38 @@ systemctl start mc-forge.service
 systemctl enable mc-forge
 
 
-# ipTable script integration
+# integration of Maxopoly's instructions on firewall
-iptables -P INPUT ACCEPT #Clears existing rules
-iptables -A INPUT -i lo -j ACCEPT #Allow loopback
 
-iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT #Allow continuing connections
+if [[ "n" !=  "$ansFirewallSetup" ]]; then
 
-iptables -A INPUT -p tcp --dport 22 --source 172.18.42.0/24 -j ACCEPT #Allow ssh from set network
+	echo "+ Executing firewall setup"
 
-iptables -A INPUT -p tcp --dport 25565 -j ACCEPT #Allow MC port
+	iptables -P INPUT ACCEPT #Clears existing rules
 
-iptables -L ### Good place to paste a manual check to not lock yourself out 
+	iptables -A INPUT -i lo -j ACCEPT #Allow loopback
 
-echo -n "Proceed? [Y/n]: "
+	iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT #Allow continuing connections
-read ans
+
+	iptables -A INPUT -p tcp --dport 22 --source 172.18.42.0/24 -j ACCEPT #Allow ssh from set network
+
+	iptables -A INPUT -p tcp --dport 25565 -j ACCEPT #Allow MC port
 
 
-if [[ "n" !=  "$ans" ]]; then
+	iptables -L ### Good place to paste a manual check to not lock yourself out 
+
+	echo "\n Does it looks right? [Y/n]: "
+	read ansFirewallOK
+
+
+	if [[ "n" !=  "$ansFirewallOK" ]]; then
 
 		iptables -P INPUT DROP #Disallow everythink else
 
 		iptables -P FORWARD DROP #Block all forwarding
 
 		iptables -P OUTPUT ACCEPT #Allow all outgouing
+	fi
+
+	apt install iptables-persistent -y
+
 fi
-
-#### Intervention needed, after install it runs something and i dont know how to set it here
-
-apt install iptables-persistent -y
-
-# iptables-save > /etc/iptables/rules.v4
-