Upon his promotion to major on 12 September 1895 he was assigned to the Kriegsakademie in Berlin as a tactics teacher for five years beginning 1 October 1895.

For his achievements, Kaiser Wilhelm II elevated him into Prussian hereditary peerage on 29 August 1906 with the official title of "von" added to his name.

With the outbreak of World War I in August 1914, von Eben's 30th Division, under the XV Army Corps, participated in battles in Lorraine.

During the Russian Brusilov Offensive of June 1916, General von Eben and his command was subordinated to the 2nd Austrian Army in the Carpathians.

On 7 October 1916, General von Eben was awarded the Pour le Mérite during a visit to the front by Kaiser Wilhelm II.

After the separate Peace of Bucharest, which Romania concluded with the Central Powers in December 1917, the 9th Army moved to France on the Western Front.

After the Armistice in November 1918, von Eben took the troops under his command back over the Rhine River to Württemberg.

After the War, von Eben, staying in the military, was given the duties of commanding general of the First Army Corps in Königsberg on 14 December 1918.

Johannes von Eben retired to his native estate at Bauditten, in East Prussia, where he died on 30 June 1924 at the age of 69.