setcap(8) - phpMan

SETCAP(8)                            System Manager's Manual                            SETCAP(8)

NAME
       setcap - set file capabilities

SYNOPSIS
       setcap [-q] [-n <rootuid>] [-v] {capabilities|-|-r} filename [ ... capabilitiesN fileN ]

DESCRIPTION
       In  the  absence  of the -v (verify) option setcap sets the capabilities of each specified
       filename to the capabilities specified.  The optional -n <rootuid> argument can be used to
       set the file capability for use only in a user namespace with this root user ID owner. The
       -v option is used to verify that the specified capabilities are currently associated  with
       the file. If -v and -n are supplied, the -n <rootuid> argument is also verified.

       The capabilities are specified in the form described in cap_from_text(3).

       The  special  capability  string,  '-', can be used to indicate that capabilities are read
       from the standard input. In such cases, the capability set  is  terminated  with  a  blank
       line.

       The special capability string, '-r', is used to remove a capability set from a file. Note,
       setting an empty capability set is not the same as removing it. An empty set can  be  used
       to  guarantee a file is not executed with privilege in spite of the fact that the prevail-
       ing ambient+inheritable sets would otherwise bestow capabilities on executed binaries.

       The -q flag is used to make the program less verbose in its output.

EXIT CODE
       The setcap program will exit with a 0 exit code if successful. On failure, the  exit  code
       is 1.

REPORTING BUGS
       Please report bugs via:

       https://bugzilla.kernel.org/buglist.cgi?component=libcap&list_id=1047723&prod-
       uct=Tools&resolution=---

SEE ALSO
       cap_from_text(3), cap_get_file(3), capabilities(7), user_namespaces(7), getcap(8)

                                            2020-01-07                                  SETCAP(8)

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