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How to give write permissions using setfacl while?
However, on RHEL7 and Ubuntu 16.04 LTS at least, setfacl does not provide such feature. For example, something as setfacl -m user:root:+r /root/ return an error stating setfacl: Option -m: Invalid argument near character 11 create a script to iterate on each file, read the current ACLs and write the new access permissions.
How to give individual permission on directories in Linux?
In such conditions ‘ setfacl ‘ utility plays its vital role and is very useful. Using ‘ setfacl ‘ you can give individual permission on the basis of user or group name on any particular directory or files.
How to give no access to ” other ” users?
The command setfacl -dm g::rwx mydir sets permissions for groups to read-write-execute. I’d like to run a similar command such that other users (i.e. not the owner) have no access whatsoever, but setfacl -dm o:: mydir complains that option -m is incomplete.
How is an empty permission set represented in chmod?
An empty permission set can be represented with -: This doesn’t appear to be documented, so I don’t know how portable it is. However, the documentation does mention that they can be specified as an octal digit (4 r, 2 w, 1 x, as in chmod), so:
How does setfacl work on the command line?
The setfacl utility sets ACLs (Access Control Lists) of files and directories. On the command line, a sequence of commands is followed by a sequence of files (which in turn can be followed by another sequence of commands, and so on). The options -m and -x expect an ACL on the command line.
Do you need to use chmod to use setfacl?
Normally, using chmod command, you will be able to set permissions for the owner/group/others. But, in case you may need to provide file permissions for some other users too, that can’t be done using chmod. Setfacl will assist you to get rid of such troubles.