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Top Forums Shell Programming and Scripting To create user name with read only access Post 302434788 by funksen on Monday 5th of July 2010 06:43:23 AM
Old 07-05-2010
there are no "read only" groups

there are files/folders that have read only permission for a group
if a group has no write access to any file on a system, you may call it read only group, but there's still the /tmp folder, where everyone has write rights


normally a new created user just has write rights to his home directory
if you change the home directory of the user to something like
chmod 555 /home/user , the user should be a read only user for the most directories on your system

but any time you change a directory to 777 for example, the user will be able to write to that directory, so be careful

perhaps you want to have a look at:

UNIX permissions
 

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pure-quotacheck(8)						     Pure-FTPd							pure-quotacheck(8)

NAME
pure-quotacheck - Update virtual quota files for Pure-FTPd SYNTAX
pure-quotacheck -u username/gid -d home directory [-g group/gid] DESCRIPTION
pure-quotacheck create a .ftpquota file in the specified directory. This file contains the current file and size of the directory, and it is used by Pure-FTPd when virtual quotas are enabled. It's recommended to periodically run pure-quotacheck for every user, in crontabs. OPTIONS
-d <directory> Scans the specified <directory>. -g <group or gid> Sets the group files will be scanned as. This is optional : if a user name is passed to -u</fR>, group are automatically retrieved. -u <user or uid> Set the user name files will be scanned as. This is mandatory, and it can't be "root". -h Output usage information and exit. FILES
.ftpquota EXAMPLES
To run this program the standard way type: pure-quotacheck -u john -d /home/john AUTHORS
Frank DENIS <j at pureftpd dot org> SECURITY
pure-quotacheck switches real and effective uids/gids as soon as possible. Root privileges are never given back. pure-quotacheck refuses to scan directories with uid = 0 (root) or gid = 0 (wheel/root) . pure-quotacheck performs a chroot() call to the home directory. It never traverses parent directories. pure-quotacheck only scans real files (no socket, no pipe, etc) . pure-quotacheck enforces read access on directories to prevent against people doing chmod 0 before a quota scan. pure-quotacheck enforces write access on the home directory to properly write the .ftpquota file. pure-quotacheck never scans the same inode/device pair twice. SEE ALSO
ftp(1), pure-ftpd(8) pure-ftpwho(8) pure-mrtginfo(8) pure-uploadscript(8) pure-statsdecode(8) pure-pw(8) pure-quotacheck(8) pure-authd(8) RFC 959, RFC 2228, RFC 2389 and RFC 2428. Pure-FTPd team 1.0.36 pure-quotacheck(8)
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