rdesktop lets you access windows over RDP from a X11 displayserver.

Documentation

github https://github.com/rdesktop/rdesktop

Usage

rdesktop \
  -P \
  -z \
  -x 1 \
  -r sound:off \
  -u 'domain.com\willp' \
  -p 'password' \
  hostname:3389 \
  -g 1440x900