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loader.conf (5)
  • >> loader.conf (5) ( FreeBSD man: Форматы файлов )

  • BSD mandoc
     

    NAME

    
    
    loader.conf
    
     - system bootstrap configuration information
    
     
    

    DESCRIPTION

    The file contains descriptive information on bootstrapping the system. Through it you can specify the kernel to be booted, parameters to be passed to it, and additional modules to be loaded; and generally set all variables described in loader(8).

    The file /boot/loader.rc must contain the following two lines for to be automatically processed:

    include /boot/loader.4th
    start

    If no /boot/loader.rc exists at installworld time, one with the above lines will be installed.  

    SYNTAX

    Though 's format was defined explicitly to resemble rc.conf5, and can be sourced by sh(1), some settings are treated in a special fashion. Also, the behavior of some settings is defined by the setting's suffix; the prefix identifies which module the setting controls.

    The general parsing rules are:

    All settings have the following format:

    variable="value"

    Unless it belongs to one of the classes of settings that receive special treatment, a setting will set the value of a loader(8) environment variable. The settings that receive special treatment are listed below. Settings beginning with Qq * below define the modules to be loaded and may have any prefix; the prefix identifies a module. All such settings sharing a common prefix refer to the same module.

    exec
    Immediately executes a loader(8) command. This type of setting cannot be processed by programs other than loader(8), so its use should be avoided. Multiple instances of it will be processed independently.
    loader_conf_files
    Defines additional configuration files to be processed right after the present file.
    kernel
    Name of the kernel to be loaded. If no kernel name is set, no additional modules will be loaded.
    kernel_options
    Flags to be passed to the kernel.
    password
    Provides a password to be required by check-password before execution is allowed to continue.
    verbose_loading
    If set to ``YES'' module names will be displayed as they are loaded.
    *_load
    If set to ``YES'' that module will be loaded. If no name is defined (see below), the module's name is taken to be the same as the prefix.
    *_name
    Defines the name of the module.
    *_type
    Defines the module's type. If none is given, it defaults to a kld module.
    *_flags
    Flags and parameters to be passed to the module.
    *_before
    Commands to be executed before the module is loaded. Use of this setting should be avoided.
    *_after
    Commands to be executed after the module is loaded. Use of this setting should be avoided.
    *_error
    Commands to be executed if the loading of a module fails. Except for the special value ``abort'' which aborts the bootstrap process, use of this setting should be avoided.

    WARNING: developers should never use these suffixes for any kernel environment variables (tunables) or conflicts will result.  

    DEFAULT SETTINGS

    Most of 's default settings can be ignored. The few of them which are important or useful are:

    bitmap_load
    (``NO'' ) If set to ``YES'' a bitmap will be loaded to be displayed on screen while booting.
    bitmap_name
    (``/boot/splash.bmp '' ) Name of the bitmap to be loaded. Any other name can be used.
    comconsole_speed
    ``( 9600'' or the value of the BOOT_COMCONSOLE_SPEED variable when loader(8) was compiled). Sets the speed of the serial console. If the previous boot loader stage specified that a serial console is in use then the default speed is determined from the current serial port speed setting.
    console
    (``vidconsole'' ) ``comconsole'' selects serial console, ``vidconsole'' selects the video console, and ``nullconsole'' selects a mute console (useful for systems with neither a video console nor a serial port).
    kernel
    (``/boot/kernel/kernel '' )
    loader_conf_files
    (``/boot/loader.conf /boot/loader.conf.local '' )
    splash_bmp_load
    (``NO'' ) If set to ``YES'' will load the splash screen module, making it possible to display a bmp image on the screen while booting.
    splash_pcx_load
    (``NO'' ) If set to ``YES'' will load the splash screen module, making it possible to display a pcx image on the screen while booting.
    vesa_load
    (``NO'' ) If set to ``YES'' the vesa module will be loaded, enabling bitmaps above VGA resolution to be displayed.
    beastie_disable
    If set to ``YES'' the beastie boot menu will be skipped.
    loader_logo (``fbsdbw '' )
    Selects a desired logo in the beastie boot menu. Possible values are: ``fbsdbw '' ``beastiebw '' ``beastie '' and ``none ''

     

    FILES

    /boot/defaults/loader.conf
    default settings -- do not change this file.
    /boot/loader.4th
    defines the commands used by loader to read and process .
    /boot/loader.conf
    user defined settings.
    /boot/loader.conf.local
    machine-specific settings for sites with a common loader.conf.
    /boot/loader.rc
    contains the instructions to automatically process .

     

    SEE ALSO

    boot(8), loader(8), loader.4th8  

    BUGS

    The loader(8) stops reading when it encounters a syntax error, so any options which are vital for booting a particular system (i.e. ``hw.ata.ata_dma =0 '' should precede any experimental additions to .  

    HISTORY

    The file first appeared in Fx 3.2 .  

    AUTHORS

    This manual page was written by An Daniel C. Sobral Aq [email protected] .


     

    Index

    NAME
    DESCRIPTION
    SYNTAX
    DEFAULT SETTINGS
    FILES
    SEE ALSO
    BUGS
    HISTORY
    AUTHORS


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