Serasker, walla seraskier (e ɗemngal Turki: سرعسكر; e ɗemngal Turki: [ˈseɾaskeɾ]), ko tiitoonde huutorteende ko adii e nder Laamaandi Usmaan wonande waasiir gardinooɗo konu.
Caggal nde Janissaar en ndartinaa e hitaande 1826, Sultan Mahmuud II rokki golle Agha ɓooyɗo Janissaar en e juuɗe serasker. Jooni noon, ko sakkitii koo wonti biro ceertuɗo e hooreejo konu Ottomaan, hawruɗo e golle gardiiɗo konu e jaagorde konu.[1] O ƴetti kadi golle Janissary Agha ɓooyɗe ko fayti e jogaade deeƴre to Istanbul. Ndeke, nde njuɓɓudi polis ƴellitii e yaajde e senngooji laamu nguu, ɗum wonti huunde e golle teeŋtuɗe serasker en haa hitaande 1845, nde polis wonti gollorde ceertunde.
Joɗnde serasker e departemaa mum (bab-i seraskeri, walla serasker kapısı—"Damal serasker") e fuɗɗoode wonnoo ko e Eski Saray, kono ɗeen golle mbayliima e mahaaɗe teskinɗe e hitaande 1865. E hitaande 1879 biro oo wayli innde mum wonti Ministeer de War (Harbiye Nezareti) haa e hitaande 1890, nde arti e ngonka mum ɓooyka inde; nde wayli innde mum kadi, nde wonti Ministeer Konu e hitaande 1908. Seraskers teskiniiɗi ina njeyaa heen. Amiral Koca Husrev Mehmed Pasha (1769-1855) Lala Mustafa Pasha (hedde hitaande 1500 haa 1580) 1804-1892 Pargalı Ibraahiima Pasha (hedde 1495 haa 1536) Damat Rustem Pasha (hedde 1500 haa 1561) Mehmed Riza Pasha (1844-1920)