sftp -P2222 xxx@46.38.225.190
xxx@46.38.225.190's password:
Connected to 46.38.225.190.
sftp> ls
cdrom image
sftp> cd cdrom
sftp> ls
sftp> version
SFTP protocol version 3
sftp> pwd
Remote working directory: /cdrom
sftp> put /media/sf_move/yyy-RELEASE-amd64.img
Uploading /media/sf_move/yyy-RELEASE-amd64.img to /cdrom/yyy-RELEASE-amd64.img
remote open("/cdrom/yyyy-RELEASE-amd64.img"): Permission denied
sftp> Connection to 46.38.225.190 closed by remote host.