BINFMT.D(5) - phpMan

BINFMT.D(5)                                  binfmt.d                                 BINFMT.D(5)



NAME
       binfmt.d - Configure additional binary formats for executables at boot

SYNOPSIS
       /etc/binfmt.d/*.conf

       /run/binfmt.d/*.conf

       /usr/lib/binfmt.d/*.conf

DESCRIPTION
       At boot, systemd-binfmt.service(8) reads configuration files from the above directories to
       register in the kernel additional binary formats for executables.

CONFIGURATION FORMAT
       Each file contains a list of binfmt_misc kernel binary format rules. Consult
       binfmt_misc.rst[1] for more information on registration of additional binary formats and
       how to write rules.

       Empty lines and lines beginning with ; and # are ignored. Note that this means you may not
       use ; and # as delimiter in binary format rules.

CONFIGURATION DIRECTORIES AND PRECEDENCE
       Configuration files are read from directories in /etc/, /run/, and /usr/lib/, in order of
       precedence. Each configuration file in these configuration directories shall be named in
       the style of filename.conf. Files in /etc/ override files with the same name in /run/ and
       /usr/lib/. Files in /run/ override files with the same name in /usr/lib/.

       Packages should install their configuration files in /usr/lib/. Files in /etc/ are
       reserved for the local administrator, who may use this logic to override the configuration
       files installed by vendor packages. All configuration files are sorted by their filename
       in lexicographic order, regardless of which of the directories they reside in. If multiple
       files specify the same option, the entry in the file with the lexicographically latest
       name will take precedence. It is recommended to prefix all filenames with a two-digit
       number and a dash, to simplify the ordering of the files.

       If the administrator wants to disable a configuration file supplied by the vendor, the
       recommended way is to place a symlink to /dev/null in the configuration directory in
       /etc/, with the same filename as the vendor configuration file.

EXAMPLE
       Example 1. /etc/binfmt.d/wine.conf example:

           # Start WINE on Windows executables
           :DOSWin:M::MZ::/usr/bin/wine:

SEE ALSO
       systemd(1), systemd-binfmt.service(8), systemd-delta(1), wine(8)

NOTES
        1. binfmt_misc.rst
           https://www.kernel.org/doc/Documentation/admin-guide/binfmt-misc.rst



systemd 219                                                                           BINFMT.D(5)

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