ccr man page on Ultrix

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ccr(8)									ccr(8)

Name
       ccr - remote console carrier requester

Syntax
       /etc/ccr [ options ] node

Description
       The command establishes a logical connection between your ULTRIX system
       and the console carrier server on a remote system.  The command enables
       your  terminal  to  act	as the console for a remote unattended system.
       For example, your terminal can act as the console for a Digital	Ether‐
       net  Communications Server (DECSA) and its resident software.  The node
       is the name or address of the target node.  A  node  name  consists  of
       from one to six alphanumeric characters.	 A node address consist of two
       decimal integers (n.n), where the first indicates  the  network	number
       (1-63), and the second indicates the node address (1-1023).

       You can use to force a crash if a server node becomes unresponsive.  To
       determine how to force a crash, see the documentation for  the  respec‐
       tive server product.

       The requirements for using are as follows:

       ·   The host node (that is, your local ULTRIX node) and the remote node
	   must be on the same Ethernet.

       ·   If your server product is a DECSA, the console carrier server image
	   ( and its loader file ( must be located in on your ULTRIX node. The
	   and files are not  needed,  nor  is	any  loading  done  for	 other
	   servers.  For more details, see the installation guide for the par‐
	   ticular server product.

       <CTRL/D> exits from console carrier mode and terminates

Options
       -8   Use only 803.2 format packets.

       -c   Use the specified circuit to connect to the target node.

       -e   Use only Ethernet format packets.

       -h   Use the specified address (next argument) as the Ethernet  address
	    of the target node.

       -n   Use the next argument as the target node ID.

       -p   Use	 the  specified service password (next arguments) in accessing
	    the target node.

       -v   Use verbose mode.

Restrictions
       You must have superuser privileges to run

Examples
       # /etc/ccr -c qna-0 -n dallas <RET>
       ccr: Remote console reserved
	    .
	    .
	    .
       <CTRL/D>
       ccr: Remote console released
       #

Diagnostics
       The command can return the following diagnostic messages:

       ccr: Remote console reserved
       The command has successfully connected to the remote console server and
       your  terminal  is  now	capable	 of acting as a console for the remote
       node.

       ccr: Remote console released
       Your connection with the remote console server has been terminated  and
       you are no longer in console carrier mode.

       ccr: Remote console already in use
       The  remote  console  server  that  you are attempting to connect to is
       already reserved by another user.

       ccr: Permission denied
       You do not have the necessary privileges to run (You must  be  a	 supe‐
       ruser.)

       ccr: Hardware address required
       The command is unable to locate the hardware address of the remote node
       to which you are attempting  to	connect.   A  remote  node's  hardware
       address	must  be  defined  either in the command line, or in its nodes
       database entry.	(Nodes database entries are defined with the command.)

       ccr: No node entry in database
       The command does not  recognize	the  remote  node  to  which  you  are
       attempting  to  connect,	 since	the  node-id that you specified is not
       defined in the nodes database.  (Nodes  database	 entries  are  defined
       with the command.)

Files
       Console carrier server image

       Console carrier server loader

See Also
       addnode(8), getnode(8), load(8), remnode(8), trigger(8)

									ccr(8)
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