update installer script

docs/INSTALLATION.md

@@ -80,13 +80,15 @@ sudo apt-get install -y \
     zfsutils-linux \
     samba \
     nfs-kernel-server \
-    targetcli \
+    targetcli-fb \
     sqlite3 \
     golang-go \
     git \
     build-essential
 ```
 
+**Note:** On newer Ubuntu/Debian versions, the iSCSI target CLI is packaged as `targetcli-fb`. If `targetcli-fb` is not available, try `targetcli`.
+
 #### Fedora/RHEL/CentOS
 
 ```bash

install.sh

@@ -95,11 +95,18 @@ install_dependencies() {
     case $DISTRO in
         ubuntu|debian)
             apt-get update
+            
+            # Try targetcli-fb first (common on newer Ubuntu/Debian), fallback to targetcli
+            TARGETCLI_PKG="targetcli-fb"
+            if ! apt-cache show targetcli-fb &>/dev/null; then
+                TARGETCLI_PKG="targetcli"
+            fi
+            
             apt-get install -y \
                 zfsutils-linux \
                 samba \
                 nfs-kernel-server \
-                targetcli \
+                $TARGETCLI_PKG \
                 sqlite3 \
                 golang-go \
                 git \
@@ -138,7 +145,7 @@ install_dependencies() {
             echo "  - ZFS utilities"
             echo "  - Samba (SMB/CIFS)"
             echo "  - NFS server"
-            echo "  - targetcli (iSCSI)"
+            echo "  - targetcli or targetcli-fb (iSCSI)"
             echo "  - SQLite"
             echo "  - Go compiler"
             echo "  - Build tools"
@@ -363,15 +370,28 @@ setup_nfs() {
 setup_iscsi() {
     echo -e "${GREEN}Setting up iSCSI...${NC}"
     
-    if ! command -v targetcli &> /dev/null; then
+    # Check for targetcli or targetcli-fb
-        echo -e "${YELLOW}Warning: targetcli not found${NC}"
+    TARGETCLI_CMD=""
+    if command -v targetcli &> /dev/null; then
+        TARGETCLI_CMD="targetcli"
+    elif command -v targetcli-fb &> /dev/null; then
+        TARGETCLI_CMD="targetcli-fb"
+        # Create symlink if targetcli doesn't exist
+        if ! command -v targetcli &> /dev/null; then
+            ln -s $(which targetcli-fb) /usr/local/bin/targetcli 2>/dev/null || true
+        fi
+    fi
+    
+    if [[ -z "$TARGETCLI_CMD" ]]; then
+        echo -e "${YELLOW}Warning: targetcli or targetcli-fb not found${NC}"
+        echo "  Install with: apt-get install targetcli-fb (Ubuntu/Debian)"
         return
     fi
     
     # Enable and start iSCSI target (if not already)
     systemctl enable target 2>/dev/null || true
     
-    echo -e "${GREEN}iSCSI setup complete${NC}"
+    echo -e "${GREEN}iSCSI setup complete (using $TARGETCLI_CMD)${NC}"
 }
 
 # Create initial admin user

internal/services/iscsi.go

@@ -17,8 +17,16 @@ type ISCSIService struct {
 
 // NewISCSIService creates a new iSCSI service manager
 func NewISCSIService() *ISCSIService {
+	// Try targetcli first, fallback to targetcli-fb
+	targetcliPath := "targetcli"
+	if _, err := exec.LookPath("targetcli"); err != nil {
+		if _, err := exec.LookPath("targetcli-fb"); err == nil {
+			targetcliPath = "targetcli-fb"
+		}
+	}
+
 	return &ISCSIService{
-		targetcliPath: "targetcli",
+		targetcliPath: targetcliPath,
 	}
 }