在ubuntu开始挂载nas目录执行命令：

mount -t nfs 172.17.1.110:/volume1/nasshare /devnas

报如下错误：mount: /devnas: bad option; for several filesystems (e.g. nfs, cifs) you might need a /sbin/mount.<type> helper program.

是因为没有安装 nfs-common

执行： apt-get install nfs-common

问题解决