我正在尝试将主机 OSX 中的文件夹同步到运行 Ubuntu 的 VM。（laravel/宅基地）。这是我在主机上运行的命令：
$ unison ssh://vagrant@192.168.10.10//home/vagrant/www ~/unison/www -repeat watch
产生以下输出
Contacting server...
Connected [...]
Looking for changes
Waiting for changes from server
Fatal error: Server: Unexpected response 'Usage: unison-fsmonitor [options] root [path] [path]...' from the filesystem watcher (expected VERSION)
在我的本地主机上：
$ unison -version
unison version 2.48.3
$ unison-fsmonitor
VERSION 1
在我的虚拟机上：
$ unison -version
unison version 2.48.3
$ unison-fsmonitor
Usage: unison-fsmonitor [options] root [path] [path]...
This program monitors file system changes on all given (relative to root) …