树莓派的系统一般都装有usbmount，已经可以实现插上USB存储设备时自动挂载，但当需要将USB存储设备中的文件进行共享时，就会遇到读写权限的问题，本文介绍如何配置usbmount，使其自动挂载USB存储设备时配置合适的挂载参数。
usbmount的配置文件在/etc/usbmount/usbmount.conf，使用root权限对其进行编辑。
下面是一个典型的配置文件：
# Configuration file for the usbmount package, which mounts removable # storage devices when they are plugged in and unmounts them when they # are removed. # 改为0可以禁用usbmount ENABLED=1 # 是否启动UDisks守护进程 STARTUDISKS=0 # 自动挂载的文件系统类型 FILESYSTEMS="btrfs ntfs vfat ext2 ext3 ext4 hfsplus exfat msdos iso9660 xfs jfs" # 挂载目录 MNTPNTDIR="/media" # 是否包含分区UUID UUIDNAME=no # 创建USBx符号链接的目录 LINKDIR="/media" # 是否通过samba共享 SHARESMB=yes # samba共享读写权限 SHARERW=yes SHARELT=no # 空闲时关闭硬盘 SPINDOWN=0 ############################################################################# # WARNING! # # # # The "sync" option may not be a good choice to use with flash drives, as # # it forces a greater amount of writing operating on the drive. This makes # # the writing speed considerably lower and also leads to a faster wear out # # of the disk. # # # # If you omit it, don't forget to use the command "sync" to synchronize the # # data on your disk before removing the drive or you may experience data # # loss. # # # # It is highly recommended that you use the pumount command (as a regular # # user) before unplugging the device. It makes calling the "sync" command # # and mounting with the sync option unnecessary---this is similar to other # # operating system's "safely disconnect the device" option. # ############################################################################# # Mount options: Options passed to the mount command with the -o flag. # See the warning above regarding removing "sync" from the options. # 设置通用的挂载参数，rw是读写权限，noexec是禁止运行程序 # 如果需要在USB存储设备上运行或者编译程序，需要将noexec删除 MOUNTOPTIONS="sync,noexec,nodev,noatime,rw" # Filesystem type specific mount options: This variable contains a space # separated list of strings, each which the form "-fstype=TYPE,OPTIONS". # # If a filesystem with a type listed here is mounted, the corresponding # options are appended to those specificed in the MOUNTOPTIONS variable. # # For example, "-fstype=vfat,gid=floppy,dmask=0007,fmask=0117" would add # the options "gid=floppy,dmask=0007,fmask=0117" when a vfat filesystem # is mounted. # 针对某些文件系统设置挂载参数 FS_MOUNTOPTIONS="-fstype=ntfs,gid=xbian,uid=xbian,umask=0,big_writes,allow_other \ -fstype=vfat,gid=xbian,uid=xbian,umask=0 \ -fstype=hfsplus,gid=xbian,uid=xbian,umask=0,force \ -fstype=exfat,gid=xbian,uid=xbian,umask=0 \ -fstype=btrfs,compress=lzo,subvol=/" # 是否输出详细日志 VERBOSE=no # 是否使用内存交换区 USESWAPS=no
另外/etc/usbmount/目录下还有三个文件夹，分别储存挂载和卸载USB设备时的配置文件。
附上配置文件打包
