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Full Discussion: Linux sftp — how to add new user to access exist directory with write permission?
Top Forums UNIX for Beginners Questions & Answers Linux sftp — how to add new user to access exist directory with write permission? Post 303038532 by uwo-g-xw on Thursday 5th of September 2019 11:15:16 AM
Old 09-05-2019
After many times of researches and tries, I have it worked. The approach may have many disadvantages, as a beginner, it has been the most satisfied result that I can get. My steps are as follows:

1 Add a new user test1.
2 Make a root folder for test1.
3 Make three sub-folders, each will map to the corresponding exist folder we are going to let test1 access.
4 Make the three exist folders writable.
5 mount --bind each exist folder to corresponding sub-folder.
6 Done.

After above steps, user test1 will be able to access above three exist folders and contained files, and then edit.
This User Gave Thanks to uwo-g-xw For This Post:
Neo
 

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LEARN ABOUT CENTOS

sftp-server

SFTP-SERVER(8)						    BSD System Manager's Manual 					    SFTP-SERVER(8)

NAME

     sftp-server -- SFTP server subsystem

SYNOPSIS

     sftp-server [-ehR] [-d start_directory] [-f log_facility] [-l log_level] [-u umask]

DESCRIPTION

     sftp-server is a program that speaks the server side of SFTP protocol to stdout and expects client requests from stdin.  sftp-server is not
     intended to be called directly, but from sshd(8) using the Subsystem option.

     Command-line flags to sftp-server should be specified in the Subsystem declaration.  See sshd_config(5) for more information.

     Valid options are:

     -d start_directory
	     specifies an alternate starting directory for users.  The pathname may contain the following tokens that are expanded at runtime: %%
	     is replaced by a literal '%', %h is replaced by the home directory of the user being authenticated, and %u is replaced by the user-
	     name of that user.  The default is to use the user's home directory.  This option is useful in conjunction with the sshd_config(5)
	     ChrootDirectory option.

     -e      Causes sftp-server to print logging information to stderr instead of syslog for debugging.

     -f log_facility
	     Specifies the facility code that is used when logging messages from sftp-server.  The possible values are: DAEMON, USER, AUTH,
	     LOCAL0, LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7.  The default is AUTH.

     -h      Displays sftp-server usage information.

     -l log_level
	     Specifies which messages will be logged by sftp-server.  The possible values are: QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1,
	     DEBUG2, and DEBUG3.  INFO and VERBOSE log transactions that sftp-server performs on behalf of the client.	DEBUG and DEBUG1 are
	     equivalent.  DEBUG2 and DEBUG3 each specify higher levels of debugging output.  The default is ERROR.

     -R      Places this instance of sftp-server into a read-only mode.  Attempts to open files for writing, as well as other operations that
	     change the state of the filesystem, will be denied.

     -u umask
	     Sets an explicit umask(2) to be applied to newly-created files and directories, instead of the user's default mask.

     For logging to work, sftp-server must be able to access /dev/log.	Use of sftp-server in a chroot configuration therefore requires that
     syslogd(8) establish a logging socket inside the chroot directory.

SEE ALSO

     sftp(1), ssh(1), sshd_config(5), sshd(8)

     T. Ylonen and S. Lehtinen, SSH File Transfer Protocol, draft-ietf-secsh-filexfer-02.txt, October 2001, work in progress material.

HISTORY

     sftp-server first appeared in OpenBSD 2.8.

AUTHORS

     Markus Friedl <markus@openbsd.org>

BSD
								   July 16, 2013							       BSD
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