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consadm (1)
  • >> consadm (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
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    NAME

    consadm - select or display devices used as auxiliary console devices
     
    

    SYNOPSIS

    /usr/sbin/consadm 
    

    /usr/sbin/consadm [-a device...] [-p]
    

    /usr/sbin/consadm [-d device...] [-p]
    

    /usr/sbin/consadm [-p]
    

     

    DESCRIPTION

    consadm selects the hardware device or devices to be used as auxiliary console devices, or displays the current device. Only superusers are allowed to make or display auxiliary console device selections.

    Auxiliary console devices receive copies of console messages, and can be used as the console during single user mode. In particular, they receive kernel messages and messages directed to /dev/sysmsg. On Solaris x86 based systems they can also be used for interaction with the bootstrap.

    By default, selecting a display device to be used as an auxiliary console device selects that device for the duration the system remains up. If the administrator needs the selection to persist across reboots the -p option can be specified.

    consadm runs a daemon in the background, monitoring auxiliary console devices. Any devices that are disconnected (hang up, lose carrier) are removed from the auxiliary console device list, though not from the persistent list. While auxiliary console devices may have been removed from the device list receiving copies of console messages, those messages will always continue to be displayed by the default console device.

    The daemon will not run if it finds there are not any auxiliary devices configured to monitor. Likewise, after the last auxiliary console is removed, the daemon will shut itself down. Therefore the daemon persists for only as long as auxiliary console devices remain active.

    See eeprom(1M) for instructions on assigning an auxiliary console device as the system console.  

    OPTIONS

    The following options are supported:

    -a device

    Adds device to the list of auxiliary console devices. Specify device as the path name to the device or devices to be added to the auxiliary console device list.

    -d device

    Removes device from the list of auxiliary console devices. Specify device as the path name to the device or devices to be removed from the auxiliary console device list.

    -p

    Prints the list of auxiliary consoles that will be auxiliary across reboots.

    When invoked with the -a or -d options , tells the application to make the change persist across reboot.

     

    EXAMPLES

    Example 1 Adding to the list of devices that will receive console messages

    The following command adds /dev/term/a to the list of devices that will receive console messages.

    example# consadm -a /dev/term/a
    

    Example 2 Removing from the list of devices that will receive console messages

    The following command removes /dev/term/a from the list of devices that will receive console messages. This includes removal from the persistent list.

    example# consadm -d -p /dev/term/a
    

    Example 3 Printing the list of devices selected as auxiliary console devices

    The following command prints the name or names of the device or devices currently selected as auxiliary console devices.

    example# consadm
    

     

    ENVIRONMENT VARIABLES

    See environ(5) for descriptions of the following environment variables that affect the execution of consadm: LC_CTYPE, LC_MESSAGES, and NLSPATH.  

    EXIT STATUS

    The following exit values are returned:

    0

    Successful completion.

    >0

    An error occurred.

     

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE

    AvailabilitySUNWcsu

    Stability Level

     

    SEE ALSO

    svcs(1), eeprom(1M), svcadm(1M), syslogd(1M), kadb(1M), environ(5), attributes(5), smf(5), sysmsg(7d), console(7d)  

    NOTES

    Auxiliary console devices are not usable for kadb or firmware I/O, do not receive panic messages, and do not receive output directed to /dev/console.

    The consadm service is managed by the service management facility, smf(5), under the service identifier:

    svc:/system/consadm
    

    Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The service's status can be queried using the svcs(1) command.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    EXAMPLES
    ENVIRONMENT VARIABLES
    EXIT STATUS
    ATTRIBUTES
    SEE ALSO
    NOTES


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