svrctl man page on Minix

svrctl man page on Minix

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SVRCTL(1)		  BSD General Commands Manual		     SVRCTL(1)

NAME
     svrctl — send servers control messages

SYNOPSIS
     svrctl <vfs|pm> get <request>
     svrctl <vfs|pm> set <request> <value>

DESCRIPTION
     The svrctl utility allows to override the values of variables inside VFS
     or PM or to retrieve the values of variables. The variables that are
     allowed to be overridden are hard coded in the servers.

EXAMPLES
     To retrieve how many threads are currently actively carrying out work in
     VFS:

	   svrctl vfs get active_threads

     To generate a stack trace of all threads in VFS:

	   svrctl vfs get print_traces

     To set verbosity level of VFS (allowed values range from 0 to 4)

	   svrctl vfs set verbose 1

     To retrieve boot monitor parameters (note that these are also available
     through sysenv(1) ) such as rootdevname , memory , hz , and if set,
     bootopts , cttyline , cttybaud :

	   svrctl pm get rootdevname
	   svrctl pm get memory
	   svrctl pm get hz
	   svrctl pm get bootopts
	   svrctl pm get cttyline
	   svrctl pm get cttybaud

EXIT STATUS
     In case svrctl is not properly invoked or the provided request is not
     valid 1 is returned, otherwise 0.

AUTHORS
     Thomas Veerman ⟨thomas@minix3.org⟩

BSD				$April 5, 2012$				   BSD

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