此前我们比如要挂载 nfs,都是将其写到/etc/fstab
[root@node-server-1 nfs]# cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Tue May 2 07:21:59 2017
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
/dev/mapper/cl-root / xfs defaults 0 0
UUID=fc90e3db-ce52-43d0-ac08-6b8ca4dc25ab /boot xfs defaults 0 0
/dev/mapper/cl-swap swap swap defaults 0 0
192.168.50.156:/opt /mnt nfs defaults 0 0
但是,我们并不是每时每刻都在使用这个共享目录,我们可以通过 autofs 实现自动按需挂载,怎么实现呢? 我们来看下。