diff --git a/datacentersim-server.service b/datacentersim-server.service
new file mode 100644
index 0000000..688cd38
--- /dev/null
+++ b/datacentersim-server.service
@@ -0,0 +1,80 @@
+# /etc/systemd/system/datacentersim-server.service
+#
+# Service systemd pour le serveur dedie DatacenterSim
+# Apres modification : sudo systemctl daemon-reload
+#
+# Usage :
+#   sudo cp datacentersim-server.service /etc/systemd/system/
+#   sudo systemctl daemon-reload
+#   sudo systemctl enable datacentersim-server
+#   sudo systemctl start datacentersim-server
+#   sudo systemctl status datacentersim-server
+#   sudo journalctl -u datacentersim-server -f
+#
+
+[Unit]
+Description=DatacenterSim Dedicated Server
+Documentation=https://github.com/YOUR_REPO/datacentersim
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+
+# Utilisateur et groupe dedies (a creer : sudo useradd -r -s /bin/false dcsim)
+User=dcsim
+Group=dcsim
+
+# Repertoire de travail du serveur
+WorkingDirectory=/opt/datacentersim-server
+
+# Commande de lancement : adapte les arguments selon ton besoin
+ExecStart=/opt/datacentersim-server/DatacenterSim-Server.x86_64 \
+    -server \
+    -port 7777 \
+    -servername "DC Dedicated Prod" \
+    -maxplayers 8 \
+    -mode sandbox \
+    -langue FR \
+    -masterurl https://dcsim.yeagerdan.com \
+    -batchmode \
+    -nographics \
+    -logFile /var/log/datacentersim-server.log
+
+# Redemarrage automatique en cas de crash
+Restart=on-failure
+RestartSec=10s
+
+# Timeout pour Stop : le serveur a besoin de temps pour se desenregistrer du master
+TimeoutStopSec=15s
+
+# Limitation ressources (optionnel, ajuste selon ta machine)
+# CPUQuota=200%           # max 2 coeurs
+# MemoryMax=2G            # max 2 Go RAM
+# TasksMax=500
+
+# Securite
+NoNewPrivileges=true
+ProtectSystem=strict
+ProtectHome=true
+ReadWritePaths=/opt/datacentersim-server /var/log
+PrivateTmp=true
+PrivateDevices=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectControlGroups=true
+RestrictAddressFamilies=AF_INET AF_INET6
+RestrictNamespaces=true
+LockPersonality=true
+RestrictRealtime=true
+RestrictSUIDSGID=true
+CapabilityBoundingSet=
+AmbientCapabilities=
+
+# Logs redirigees vers journald en plus du fichier
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=datacentersim
+
+[Install]
+WantedBy=multi-user.target
diff --git a/datacentersim-server@.service b/datacentersim-server@.service
new file mode 100644
index 0000000..277c214
--- /dev/null
+++ b/datacentersim-server@.service
@@ -0,0 +1,56 @@
+# /etc/systemd/system/datacentersim-server@.service
+#
+# Template pour lancer PLUSIEURS instances du serveur dedie sur la meme machine.
+# Le parametre apres le @ est utilise comme nom d'instance ET comme port.
+#
+# Usage :
+#   sudo systemctl start datacentersim-server@7777
+#   sudo systemctl start datacentersim-server@7778
+#   sudo systemctl start datacentersim-server@7779
+#
+#   sudo systemctl enable datacentersim-server@7777  # au boot
+#
+#   sudo journalctl -u datacentersim-server@7777 -f  # logs d'une instance
+#
+
+[Unit]
+Description=DatacenterSim Dedicated Server (port %i)
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=dcsim
+Group=dcsim
+WorkingDirectory=/opt/datacentersim-server
+
+# %i est remplace par ce qu'on met apres le @
+# Exemple : "systemctl start datacentersim-server@7778" -> %i = "7778"
+ExecStart=/opt/datacentersim-server/DatacenterSim-Server.x86_64 \
+    -server \
+    -port %i \
+    -servername "DC Server #%i" \
+    -maxplayers 8 \
+    -mode sandbox \
+    -langue FR \
+    -masterurl https://dcsim.yeagerdan.com \
+    -batchmode \
+    -nographics \
+    -logFile /var/log/datacentersim-server-%i.log
+
+Restart=on-failure
+RestartSec=10s
+TimeoutStopSec=15s
+
+NoNewPrivileges=true
+ProtectSystem=strict
+ProtectHome=true
+ReadWritePaths=/opt/datacentersim-server /var/log
+PrivateTmp=true
+
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=datacentersim-%i
+
+[Install]
+WantedBy=multi-user.target
diff --git a/install-dedicated-server.sh b/install-dedicated-server.sh
new file mode 100644
index 0000000..08f17f8
--- /dev/null
+++ b/install-dedicated-server.sh
@@ -0,0 +1,152 @@
+#!/bin/bash
+#
+# install-dedicated-server.sh
+# Script d'installation automatique du serveur dedie DatacenterSim sur Debian 13 / Ubuntu 22+
+#
+# Usage :
+#   sudo bash install-dedicated-server.sh [chemin-du-build]
+#
+# Exemple :
+#   sudo bash install-dedicated-server.sh ./DatacenterSim-Server-Linux/
+#
+
+set -e
+
+# ═══════════════════════════════════════════════════════
+# CONFIGURATION
+# ═══════════════════════════════════════════════════════
+
+INSTALL_DIR="/opt/datacentersim-server"
+SERVICE_USER="dcsim"
+SERVICE_FILE="datacentersim-server.service"
+TEMPLATE_FILE="datacentersim-server@.service"
+LOG_DIR="/var/log"
+BUILD_DIR="${1:-./DatacenterSim-Server-Linux}"
+
+# ═══════════════════════════════════════════════════════
+# VERIFICATIONS
+# ═══════════════════════════════════════════════════════
+
+if [ "$EUID" -ne 0 ]; then
+    echo "Ce script doit etre lance avec sudo"
+    exit 1
+fi
+
+if [ ! -d "$BUILD_DIR" ]; then
+    echo "Erreur : dossier de build introuvable : $BUILD_DIR"
+    echo "Usage : sudo bash $0 [chemin-du-build]"
+    exit 1
+fi
+
+if [ ! -f "$BUILD_DIR/DatacenterSim-Server.x86_64" ]; then
+    echo "Erreur : binaire DatacenterSim-Server.x86_64 introuvable dans $BUILD_DIR"
+    exit 1
+fi
+
+echo "════════════════════════════════════════════════════"
+echo "  Installation DatacenterSim Dedicated Server"
+echo "════════════════════════════════════════════════════"
+echo "Build source : $BUILD_DIR"
+echo "Installation : $INSTALL_DIR"
+echo "Utilisateur  : $SERVICE_USER"
+echo ""
+
+# ═══════════════════════════════════════════════════════
+# 1. DEPENDANCES
+# ═══════════════════════════════════════════════════════
+
+echo "[1/6] Installation des dependances runtime..."
+apt-get update -qq
+apt-get install -y libstdc++6 libgcc-s1 ca-certificates ufw
+
+# ═══════════════════════════════════════════════════════
+# 2. UTILISATEUR DEDIE
+# ═══════════════════════════════════════════════════════
+
+echo "[2/6] Creation de l'utilisateur $SERVICE_USER..."
+if ! id "$SERVICE_USER" &>/dev/null; then
+    useradd -r -s /bin/false -d "$INSTALL_DIR" "$SERVICE_USER"
+    echo "  ✓ Utilisateur $SERVICE_USER cree"
+else
+    echo "  ✓ Utilisateur $SERVICE_USER existe deja"
+fi
+
+# ═══════════════════════════════════════════════════════
+# 3. COPIE DES FICHIERS
+# ═══════════════════════════════════════════════════════
+
+echo "[3/6] Copie du build vers $INSTALL_DIR..."
+mkdir -p "$INSTALL_DIR"
+
+# Si une install existe deja, backup
+if [ -f "$INSTALL_DIR/DatacenterSim-Server.x86_64" ]; then
+    BACKUP="$INSTALL_DIR.backup-$(date +%Y%m%d-%H%M%S)"
+    echo "  Une install existe deja, backup vers $BACKUP"
+    mv "$INSTALL_DIR" "$BACKUP"
+    mkdir -p "$INSTALL_DIR"
+fi
+
+cp -r "$BUILD_DIR"/* "$INSTALL_DIR/"
+chmod +x "$INSTALL_DIR/DatacenterSim-Server.x86_64"
+chown -R "$SERVICE_USER:$SERVICE_USER" "$INSTALL_DIR"
+
+# ═══════════════════════════════════════════════════════
+# 4. SERVICE SYSTEMD
+# ═══════════════════════════════════════════════════════
+
+echo "[4/6] Installation du service systemd..."
+
+if [ -f "$SERVICE_FILE" ]; then
+    cp "$SERVICE_FILE" /etc/systemd/system/
+    echo "  ✓ $SERVICE_FILE installe"
+fi
+
+if [ -f "$TEMPLATE_FILE" ]; then
+    cp "$TEMPLATE_FILE" /etc/systemd/system/
+    echo "  ✓ $TEMPLATE_FILE installe"
+fi
+
+# Creation du fichier log avec bons droits
+touch /var/log/datacentersim-server.log
+chown "$SERVICE_USER:$SERVICE_USER" /var/log/datacentersim-server.log
+
+systemctl daemon-reload
+
+# ═══════════════════════════════════════════════════════
+# 5. FIREWALL
+# ═══════════════════════════════════════════════════════
+
+echo "[5/6] Configuration du firewall..."
+if ufw status | grep -q "Status: active"; then
+    ufw allow 7777/udp comment "DatacenterSim"
+    echo "  ✓ Port 7777/udp autorise"
+else
+    echo "  - UFW non actif, aucune regle ajoutee"
+fi
+
+# ═══════════════════════════════════════════════════════
+# 6. RECAP
+# ═══════════════════════════════════════════════════════
+
+echo "[6/6] Installation terminee !"
+echo ""
+echo "════════════════════════════════════════════════════"
+echo "  PROCHAINES ETAPES"
+echo "════════════════════════════════════════════════════"
+echo ""
+echo "1. Verifier / editer la configuration :"
+echo "     sudo nano /etc/systemd/system/$SERVICE_FILE"
+echo ""
+echo "2. Activer le service au boot :"
+echo "     sudo systemctl enable datacentersim-server"
+echo ""
+echo "3. Demarrer le serveur :"
+echo "     sudo systemctl start datacentersim-server"
+echo ""
+echo "4. Suivre les logs en direct :"
+echo "     sudo journalctl -u datacentersim-server -f"
+echo ""
+echo "5. Verifier le status :"
+echo "     sudo systemctl status datacentersim-server"
+echo ""
+echo "Bon jeu ! 🚀"