it works!

script.sh

@@ -12,17 +12,21 @@ sudo apt install openjdk-17-jre-headless screen p7zip-full iptables -y
 # User and groupe managment
 groupadd minecraft
 
-useradd --system --shell /usr/sbin/nologin --home /opt/minecraft -g minecraft minecraf
+useradd --system --shell /usr/sbin/nologin --home /opt/minecraft -g minecraft minecraft
 
 # File strukture and basic install
 mkdir /opt/minecraft 
 
 mv Forge-1.20.1.jar /opt/minecraft/
 
-### Husten we have a problem
+cd /opt/minecraft/
+
+# Installing server
 java -Xms512M -Xmx2048M -jar Forge-1.20.1.jar --installServer
 
-/bin/sleep 30 
+/bin/sleep 10 
+
+cd -
 
 # /opt/minecraft/run.sh # it may needs to run before copying eula. But I dont want to mess with timing
 
@@ -52,10 +56,13 @@ chown -R minecraft:minecraft /opt/minecraft
 # SystemD service
 cp mc-forge.service /etc/systemd/system/
 
-systemctl enable mc-forge
+systemctl daemon-reload
 
 systemctl start mc-forge.service
 
+systemctl enable mc-forge
+
+
 # ipTable script integration
 iptables -P INPUT ACCEPT #Clears existing rules
 iptables -A INPUT -i lo -j ACCEPT #Allow loopback