sudo ansible-playbook -clocal --limit "localhost:127.0.0.1" ../edx_sandbox.yml -i"x.bistu.edu.cn,localhost," -e 'EDXAPP_PREVIEW_LMS_BASE=xpreview.bistu.edu.cn EDXAPP_LMS_BASE=x.bistu.edu.cn EDXAPP_LMS_PREVIEW_NGINX_PORT=80 EDXAPP_CMS_NGINX_PORT=80 EDXAPP_LMS_NGINX_PORT=80 edx_platform_version=master ' --start-at-task="install python base-requirements"