Add udev rules for Gridseed USB permissions

install.sh

@@ -54,6 +54,18 @@ else
     echo "cgminer found, skipping compilation."
 fi
 
+# 2.1 Setup USB Permissions (udev rules)
+echo "Setting up USB permissions for Gridseed..."
+# Gridseed usually uses STM32 Virtual COM Port (VID: 0483, PID: 5740)
+# Adding rules for generic serial converters often used too.
+cat <<EOF > /etc/udev/rules.d/10-gridseed.rules
+SUBSYSTEM=="usb", ATTR{idVendor}=="0483", ATTR{idProduct}=="5740", MODE="0666", GROUP="plugdev"
+SUBSYSTEM=="tty", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="5740", MODE="0666", GROUP="plugdev"
+EOF
+udevadm control --reload-rules && udevadm trigger
+usermod -a -G plugdev,dialout $USER
+echo "User $USER added to plugdev/dialout groups."
+
 # 3. NecroHash Dateien kopieren
 if [ -d "$TARGET_DIR" ]; then
     echo "Backup existing installation..."