md5sum * | md5sum

This will return an md5sum which will look something like
9277826461d2cb19731f6201c6b2c6b3 -

Run it in 2 directories, if the sums of the sums match, the files are identical.
If not, you may want to rsync between them with something like
rsync-avz -e ssh localdir/ user@remotehost:/remotedir/
or
rsync-avz -e ssh user@remotehost:/remotedir/ localdir/