diff --git a/app/gui/oven_control/oven_control.pro b/app/gui/oven_control/oven_control.pro
index 306670e..e48983a 100644
--- a/app/gui/oven_control/oven_control.pro
+++ b/app/gui/oven_control/oven_control.pro
@@ -97,7 +97,8 @@ SOURCES += main.cpp\
     inputoverwatcher.cpp \
     modelsettingwindow.cpp \
     gasmodelsettingwindow.cpp \
-    electricmodelsettingwindow.cpp
+    electricmodelsettingwindow.cpp \
+    system.cpp
 
 HEADERS  += mainwindow.h \
     cook.h \
@@ -184,7 +185,8 @@ HEADERS  += mainwindow.h \
     inputoverwatcher.h \
     modelsettingwindow.h \
     gasmodelsettingwindow.h \
-    electricmodelsettingwindow.h
+    electricmodelsettingwindow.h \
+    system.h
 
 FORMS    += mainwindow.ui \
     manualcookwindow.ui \
diff --git a/app/gui/oven_control/system.cpp b/app/gui/oven_control/system.cpp
new file mode 100644
index 0000000..051e0c6
--- /dev/null
+++ b/app/gui/oven_control/system.cpp
@@ -0,0 +1,16 @@
+#include "system.h"
+
+void System::setIP(System::IPData &data)
+{
+    QString ifconfig = QString("ifconfig eth0 %1 netmask %2 up").arg(data.address, data.netmask);
+    QString route = QString("route del default; route add default gw %1").arg(data.gateway);
+
+    system(ifconfig.toLocal8Bit().constData());
+    system(route.toLocal8Bit().constData());
+}
+
+void System::setBacklight(int level)
+{
+    QString command = QString("echo %1 > /sys/class/backlight/backlight_lvds.19/brightness").arg(level);
+    system(command.toLocal8Bit().constData());
+}
diff --git a/app/gui/oven_control/system.h b/app/gui/oven_control/system.h
new file mode 100644
index 0000000..2ba7c02
--- /dev/null
+++ b/app/gui/oven_control/system.h
@@ -0,0 +1,18 @@
+#ifndef SYSTEM_H
+#define SYSTEM_H
+
+
+#include <QtCore>
+
+namespace System {
+struct IpData
+{
+    QString address;
+    QString netmask;
+    QString gateway;
+};
+
+void setIp(Data &data);
+}
+
+#endif // SYSTEM_H