Class 'Memcached' not found

Running on Lumen 5.5 on vagrant and i can't run any artisan command at all. been googling and have followed all the solutions but they wouldn't just work . Below are my configurations of the my env file. just like the documentations.

APP_ENV=local APP_DEBUG=true APP_KEY=p8YNHzkzh9SLlS2kuLm8AWW04RS0t4rhK8RzTUSXL5g3sWSpXj APP_TIMEZONE=UTC

DB_CONNECTION=mysql DB_HOST=127.0.0.1 DB_PORT=3306 DB_DATABASE=homestead DB_USERNAME=homestead DB_PASSWORD=secret

CACHE_DRIVER=file QUEUE_DRIVER=sync