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Man Pages

Manual Reference Pages  -  SSHFS (1)


SSHFS - filesystem client based on ssh





sshfs [user@]host:[dir] mountpoint [options]


fusermount -u mountpoint


SSHFS (Secure SHell FileSystem) is a file system for Linux (and other operating systems with a FUSE implementation, such as Mac OS X or FreeBSD) capable of operating on files on a remote computer using just a secure shell login on the remote computer. On the local computer where the SSHFS is mounted, the implementation makes use of the FUSE (Filesystem in Userspace) kernel module. The practical effect of this is that the end user can seamlessly interact with remote files being securely served over SSH just as if they were local files on his/her computer. On the remote computer the SFTP subsystem of SSH is used.

If host is a numeric IPv6 address, it needs to be enclosed in square brackets.


    general options:

-o opt,[opt...]
  mount options
-h --help
  print help
-V --version
  print version

    SSHFS options:

-p PORT equivalent to ’-o port=PORT’
-C equivalent to ’-o compression=yes’
-F ssh_configfile
  specifies alternative ssh configuration file
-1 equivalent to ’-o ssh_protocol=1’
-o reconnect
  reconnect to server
-o delay_connect
  delay connection to server
-o sshfs_sync
  synchronous writes
-o no_readahead
  synchronous reads (no speculative readahead)
-o sync_readdir
  synchronous readdir
-o sshfs_debug
  print some debugging information
-o cache=BOOL
  enable caching {yes,no} (default: yes)
-o cache_timeout=N
  sets timeout for caches in seconds (default: 20)
-o cache_X_timeout=N
  sets timeout for {stat,dir,link} cache
-o workaround=LIST
  colon separated list of workarounds
none no workarounds enabled
all all workarounds enabled
  fix renaming to existing file (default: off)
  set nodelay tcp flag in ssh (default: off)
  fix truncate for old servers (default: off)
  fix buffer fillup bug in server (default: on)
-o idmap=TYPE
  user/group ID mapping, possible types are:
none no translation of the ID space (default)
user only translate UID of connecting user
file translate UIDs/GIDs based upon the contents of uidfile and gidfile
-o uidfile=FILE
  file containing username:uid mappings for idmap=file
-o gidfile=FILE
  file containing groupname:gid mappings for idmap=file
-o nomap=TYPE
  with idmap=file, how to handle missing mappings
ignore don’t do any re-mapping
error return an error (default)
-o ssh_command=CMD
  execute CMD instead of ’ssh’
-o ssh_protocol=N
  ssh protocol to use (default: 2)
-o sftp_server=SERV
  path to sftp server or subsystem (default: sftp)
-o directport=PORT
  directly connect to PORT bypassing ssh
-o slave communicate over stdin and stdout bypassing network
-o disable_hardlink
  link(2) will return with errno set to ENOSYS. Hard links don’t currently work perfectly on sshfs, and this confuses some programs. If that happens try disabling hard links with this option.
-o transform_symlinks
  transform absolute symlinks to relative
-o follow_symlinks
  follow symlinks on the server
-o no_check_root
  don’t check for existence of ’dir’ on server
-o password_stdin
  read password from stdin (only for pam_mount!)
  ssh options (see man ssh_config)

    FUSE options:

-d -o debug
  enable debug output (implies -f)
-f foreground operation
-s disable multi-threaded operation
-o allow_other
  allow access to other users
-o allow_root
  allow access to root
-o nonempty
  allow mounts over non-empty file/dir
-o default_permissions enable permission checking by kernel
-o fsname=NAME
  set filesystem name
-o subtype=NAME
  set filesystem type
-o large_read
  issue large read requests (2.4 only)
-o max_read=N
  set maximum size of read requests
-o hard_remove
  immediate removal (don’t hide files)
-o use_ino
  let filesystem set inode numbers
-o readdir_ino
  try to fill in d_ino in readdir
-o direct_io
  use direct I/O
-o kernel_cache
  cache files in kernel
-o [no]auto_cache
  enable caching based on modification times
-o umask=M
  set file permissions (octal)
-o uid=N set file owner
-o gid=N set file group
-o entry_timeout=T
  cache timeout for names (1.0s)
-o negative_timeout=T
  cache timeout for deleted names (0.0s)
-o attr_timeout=T
  cache timeout for attributes (1.0s)
-o ac_attr_timeout=T
  auto cache timeout for attributes (attr_timeout)
-o intr allow requests to be interrupted
-o intr_signal=NUM
  signal to send on interrupt (10)
-o modules=M1[:M2...]
  names of modules to push onto filesystem stack
-o max_write=N
  set maximum size of write requests
-o max_readahead=N
  set maximum readahead
-o async_read
  perform reads asynchronously (default)
-o sync_read
  perform reads synchronously

    Module options:

-o subdir=DIR
  prepend this directory to all paths (mandatory)
-o [no]rellinks
  transform absolute symlinks to relative
-o from_code=CHARSET
  original encoding of file names (default: UTF-8)
-o to_code=CHARSET
  new encoding of the file names (default: ISO-8859-2)


SSHFS has been written by Miklos Szeredi <>.

This man page was written by Bartosz Fenski <> for the Debian GNU/Linux distribution (but it may be used by others).

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SSHFS version 2.0 SSHFS (1) April 2008

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