AMQ(8)                                                                  AMQ(8)

       amq - automounter query tool

       amq [ -fmpsvwHTU ] [ -h hostname ] [ -l log_file ] [ -x log_options ] [
       -D debug_options ] [ -P program_number ] [[ -u ] directory ...  ]

       Amq provides a simple way of determining the current state of amd  pro-
       gram.  Communication is by RPC.  Three modes of operation are supported
       by the current protocol.  By default a list of mount points  and  auto-
       mounted  filesystems  is  output.  An alternative host can be specified
       using the -h option.

       If directory names are given, as output by default, then per-filesystem
       information is displayed.

       -f     Ask  the automounter to flush the internal caches and reload all
              the maps.

       -h hostname
              Specify an alternate host to query.  By default the  local  host
              is  used.   In  an  HP-UX cluster, the root server is queried by
              default, since that is the system on which  the  automounter  is
              normally run.

       -l log_file
              Tell  amd  to  use  log_file as the log file name.  For security
              reasons, this must be the same log  file  which  amd  used  when
              started.   This option is therefore only useful to refresh amd's
              open file handle on the log file, so that it can be rotated  and
              compressed via daily cron jobs.

       -m     Ask  the  automounter  to provide a list of mounted filesystems,
              including the number of references to each  filesystem  and  any
              error which occurred while mounting.

       -p     Return  the  process  ID  of  the remote or locally running amd.
              Useful when you need to send a signal to the local amd  process,
              and  would  rather not have to search through the process table.
              This option is used in the ctl-amd script.

       -s     Ask the automounter to provide system-wide mount statistics.

       -u     Ask the automounter to unmount the filesystems named  in  direc-
              tory  instead of providing information about them.  Unmounts are
              requested, not forced.  They merely cause the mounted filesystem
              to timeout, which will be picked up by amd's main scheduler thus
              causing the normal timeout action to be taken.

       -v     Ask the automounter for its version information.  This is a sub-
              set of the information output by amd's -v option.

       -w     Translate  a full pathname as returned by getcwd(3) into a short
              Amd pathname that goes through its mount points.    This  option
              requires that Amd is running.

       -x log_options
              Ask  the  automounter  to  use  the logging options specified in
              log_options from now on.  Note  that  the  "fatal"  and  "error"
              options cannot be turned off.

       -D debug_options
              Ask  the  automounter  to use the debugging options specified in
              debug_options from now on.

       -H     Display short usage message.

       -P program_number
              Contact an alternate running amd that had registered itself on a
              different  RPC  program_number and apply all other operations to
              that instance of the automounter.  This is useful when  you  run
              multiple  copies of amd, and need to manage each one separately.
              If not specified, amq will use the default  program  number  for
              amd,  300019.   For security reasons, the only alternate program
              numbers amd can use range from 300019 to 300029, inclusive.

       -T     Contact amd using the TCP transport only.  Normally amq will try
              TCP, and if that failed, will try UDP.

       -U     Contact amd using UDP (connectionless) transport only.  Normally
              amq will try TCP, and if that failed, will try UDP.

       amq.x               RPC protocol description.

       Amq uses a Sun registered RPC program number (300019 decimal) which may
       not be in the /etc/rpc database.

       If  the  TCP  wrappers  library  is  available, and the use_tcpwrappers
       global amd.conf option is set to ``yes'', then amd will verify that the
       host  running  amq is authorized to connect.  The amd service name must
       used in the /etc/hosts.allow and /etc/hosts.deny files.   For  example,
       to   allow  only  localhost  to  connect  to  amd,  add  this  line  to

              amd: localhost

       and this line to /etc/hosts.deny:

              amd: ALL

       amd(8), amd.conf(5), hosts_access(5).

       ``am-utils'' info(1) entry.

       Linux  NFS  and  Automounter  Administration  by   Erez   Zadok,   ISBN
       0-7821-2739-8, (Sybex, 2001).

       Amd - The 4.4 BSD Automounter

       Jan-Simon  Pendry <>, Department of Computing, Imperial
       College, London, UK.

       Erez Zadok  <>,  Computer  Science  Department,  Stony
       Brook University, Stony Brook, New York, USA.

       Other  authors  and  contributors to am-utils are listed in the AUTHORS
       file distributed with am-utils.

                                 25 April 1989                          AMQ(8)

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