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Operating Systems Solaris User with read-only to entire filesystem Post 303011943 by hicksd8 on Friday 26th of January 2018 06:51:33 AM
Old 01-26-2018
Hmmmm........this is not easy to do but not too difficult either. Let me elaborate.

There's no standard way of achieving this with access rights, group rights, or different user setup.

What version of Solaris are we talking?

However, you can create a special read-only shell, a new mountpoint lower in the filesystem, and remount '/' on that mountpoint. A specially created userid can then login and be given a read-only shell and access to '/' remounted as read-only.

Look at this:
LNXHC: HowTo Create a read-only user (Solaris 10) - BigAdmin - wikis.sun.com

It depends whether you want to go to this amount of modification to achieve it.
 

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NWGRANT(8)							      nwgrant								NWGRANT(8)

NAME
nwgrant - Add Trustee Rights to a directory SYNOPSIS
nwgrant [ -h ] [ -S server ] [ -U user name ] [ -P password | -n ] [ -C ] [ -o object name ] [ -t type ] [ -r rights ] file/directory DESCRIPTION
nwgrant adds the specified bindery object with the corresponding trustee rights to the directory. nwgrant looks up the file $HOME/.nwclient to find a file server, a user name and possibly a password. See nwclient(5) for more information. Please note that the access permissions of $HOME/.nwclient MUST be 600 for security reasons. OPTIONS
-h -h is used to print out a short help text. -S server server is the name of the server you want to use. -U user user is the user name to use for login. -P password password is the password to use for login. If neither -n nor -P are given, and the user has no open connection to the server, nwgrant prompts for a password. -n -n should be given if no password is required for the login. -C By default, passwords are converted to uppercase before they are sent to the server, because most servers require this. You can turn off this conversion by -C. -o object name The name of the object to be added as trustee. -t object type The type of the object. Object type must be specified as a decimal value. Common values are 1 for user objects, 2 for group objects and 3 for print queues. Other values are allowed, but are usually used for specialized applications. If you do not specify object type, object name is taken as NDS name. -r rights You must tell nwgrant which rights it should grant to the bindery object. The new rights for the object is specified by rights, which can be either a hexadecimal number representing the sum of all the individual rights to be granted or a string containing characters representing each right. If rights are represented in string format then the string must be bounded with square brackets. Characters within the brackets may be in any order and in either case. Spaces are allowed between the brackets - in which case the entire string should be quoted. Hexadecimal and character values for the rights are shown in this table: 00 = no access 01 = read access = R 02 = write access = W 08 = create access = C 10 = delete access = E 20 = ownership access = A 40 = search access = F 80 = modify access = M 100 = supervisory access = S for a possible total of "1fb" or "[SRWCEMFA]" for all rights. file/directory You must specify the directory to which to add the object as trustee. This has to be done in fully qualified NetWare notation. Example: nwgrant -S NWSERVER -o linus -t 1 -r fb 'data:homelinus' With this example, user linus is given all rights except supervisory to his home directory on the data volume. This example assumes the existence of the file $HOME/.nwclient. nwgrant -o linus -t 1 -r fb /home/linus/ncpfs/data/home/linus With this example, user linus is given all rights except supervisory to his home directory on the data volume. This example assumes that NWSERVER is already mounted on /home/linus/ncpfs mountpoint. AUTHORS
nwgrant was written by Volker Lendecke with the corresponding NetWare utility in mind. See the Changes file of ncpfs for other contribu- tors. nwgrant 5/19/2000 NWGRANT(8)
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