wget http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
rpm -Uvh nux-dextop-release*rpm
yum install rdesktop -y
rdesktop 120.92.42.245 -ukingsoft -p******* -g 1920x980 -a 16 -x l
-x can set the remote desktop display, -xl expressed LAN display experience
-f full screen mode
rdesktop exit full screen mode: the key combination ctrl + alt + enter switch