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FREEIPMI(7)			   Overview			   FREEIPMI(7)

       FreeIPMI - FreeIPMI overview

       FreeIPMI	 provides  in-band  and out-of-band IPMI software based on the
       IPMI v1.5/2.0 specification.

What is IPMI?
       The IPMI specification defines a set of interfaces for platform manage‐
       ment  and is implemented by a number vendors for system management. The
       features of IPMI that most users will be interested in are sensor moni‐
       toring,	system	event  monitoring,  power control, and serial-over-LAN
       (SOL). The FreeIPMI tools and libraries	listed	below  should  provide
       users  with the ability to access and utilize these and many other fea‐
       tures of IPMI.

Getting Started with IPMI
       IPMI can be used in-band (i.e. running on a machine locally) or out-of-
       band (i.e. connecting remotely).

       Most  FreeIPMI  tools  can  operate in-band by using one of the in-band
       drivers included. These in-band drivers include a direct KCS  interface
       driver,	a Linux SSIF driver through the SSIF device (i.e. /dev/i2c-0),
       the OpenIPMI Linux kernel driver (i.e. /dev/ipmi0), and the Sun/Solaris
       BMC  driver  (i.e.  /dev/bmc).  If  your	 system	 requires  the	use of
       installed drivers, those appropriate modules must be installed ahead of
       time.  However,	most  systems  should automatically load these drivers
       when appropriate.

       Under most scenarios, the FreeIPMI tools should automatically  discover
       which  in-band  interface  to use and the proper settings to use. Users
       may execute the tools on the command line to  begin  using  them.  Some
       motherboards  may  require  you	to  determine  driver type, addresses,
       paths, etc. on your own and pass them as command line  options  to  the
       tools.  You  may use ipmi-locate(8) to help determine this information.
       Other tools such as dmidecode(8) may also provide this information.

       To use IPMI out-of-band with tools such as  ipmipower(8)	 or  ipmi-sen‐
       sors(8),	 the  remote machine's BMC must first be configured for out of
       band communication. Typically, this involves setting a username,	 pass‐
       word,  IP address, MAC address, and a few other parameters. This can be
       done using the tool bmc-config(8).  Additional information  on  how  to
       configure  with	bmc-config(8)  can  be found in the bmc-config.conf(5)
       manpage. Some vendors may pre-configure their motherboards with default
       values  so  that	 bmc-config(8)	can  be used remotely to configure the
       machine. However, most of the time, the BMC must be configured  in-band
       before  out-of-band  access can be allowed (for example, the correct IP
       address and MAC address must be configured).

       In order to remotely connect to a machine, you typically	 must  specify
       the  host,  username,  and  password  for the tool in order to connect.
       Depending on  configuration  settings,  a  K_g  key,  privilege	level,
       authentication  type,  cipher suite id, or protocol version may need to
       be specified.

       Some vendors may have not implemented IPMI properly  and	 a  workaround
       must  be	 specified  into FreeIPMI to ensure the tool can execute prop‐
       erly. For example, a fair number of vendors have	 populated  their  FRU
       records	with invalid checksums. To properly ignore these set of check‐
       sums a skipchecks workaround has been added to ipmi-fru(8).  Please see
       each of the tool manpages to see a list of available workarounds.

       Additional  information,	 examples, and general trouble-shooting can be
       found in each of the tool manpages.

General Use
       The primary tools that most users of FreeIPMI will be interested in for
       system management are the following:


       A tool to read IPMI sensor readings to aid in system monitoring.


       A tool to read and manage IPMI System Event Log (SEL) records to aid in
       system debugging.


       A tool for remote power control.


       A tool for Serial-over-Lan (SOL) console access.

       Many other tools and libraries are listed below that  cover  additional
       features and areas of IPMI.

       Additional  information,	 examples, and general trouble-shooting can be
       found in each of the tool manpages.

       In order to avoid typing in a long list	of  command  line  options  to
       specify IPMI communication requirements everytime a command is executed
       (e.g. driver paths, usernames, passwords, etc.), an  alternate  set  of
       default	values can be set for most FreeIPMI tools in the FreeIPMI con‐
       figuration file. See freeipmi.conf(5) for more information.

HPC Support
       Much of FreeIPMI was written with HPC support in mind.  The  configura‐
       tion tools ( bmc-config(8), ipmi-pef-config(8), ipmi-sensors-config(8),
       and ipmi-chassis-config(8) ) come with  file  input/output  support  so
       that  configuration  can be copied and verified across nodes in a clus‐
       ter. Most tools (like ipmipower(8) and ipmi-sensors(8) ) come with hos‐
       trange  support	so multiple hosts can be specified on the command line
       at the same time and IPMI can be executed against the hosts  in	paral‐
       lel.  See  tool	manpages  for more information.	 Also see the document
       freeipmi-hostrange.txt for detailed usage and  explanation.   Ipmi-sen‐
       sors(8)	and  the  libipmimonitoring(3)	library support the ability to
       interpret sensor readings as well as just reporting  them.  By  mapping
       sensor  readings	 into  NOMINAL,	 WARNING, or CRITICAL states, it makes
       monitoring sensors easier across large numbers of nodes.

       For information on the libraries that  can  be  used  to	 program  IPMI
       applications with, please see libfreeipmi(3), libipmiconsole(3), libip‐
       mimonitoring(3), and libipmidetect(3).  Or see the  document  freeipmi-

Project Tools
       The following tools are distributed and supported by FreeIPMI.


       A  tool to read information about a BMC such as device version numbers,
       device support, and globally unique IDs (guids).


       A tool to configure general BMC and IPMI information. Supports configu‐
       ration  of  usernames,  passwords,  networking  information,  security,
       Serial-over-LAN (SOL), and other core fields.


       A tool/daemon to manage a BMC Watchdog. This tool is typically used for
       system timeout management and automatic system restarts in the event of
       a system crash.


       A tool to manage/monitor a chassis, such as chassis power,  identifica‐
       tion (i.e. LED control), and status.


       A  tool to read field replaceable unit (FRU) information from a mother‐


       A tool to read and manage IPMI System  Event  Log  (SEL)	 records.  SEL
       records	store system event information and may be useful for debugging


       A tool to read IPMI sensor readings and sensor  data  repository	 (SDR)


       A tool for remote power control.


       A tool for Serial-over-Lan (SOL) console access.


       A tool that provides hex input/output of IPMI commands.


       A  tool	that  can  probe  for  information about the location of a BMC
       device, such as device addresses.


       A tool to configure IPMI chassis information. Supports configuration of
       boot device, power restore policy, and other chassis related fields.


       A tool to configure Platform Event Filtering (PEF) information.


       A tool to parse and interpret Platform Event Traps (PET).


       A  tool	to  configure  IPMI  sensors. Supports configuration of sensor
       thresholds, sensor events, and other sensor related fields.


       A tool to perform  Data	Center	Manageability  Interface  (DCMI)  IPMI
       extension  commands. Supports extensions for asset management and power
       usage management.


       A tool to perform advanced BMC commands, such  as  resetting  the  BMC,
       configuring ACPI, configuring SDR/SEL time, manually generating events,
       re-arming sensors, and configuring manufacturer settings.


       An IPMI ping tool for debugging.


       A RMCP ping tool for debugging.


       An IPMI tool for OEM specific commands.


       A tool and daemon for IPMI node detection.


       A daemon that regularly polls the SEL and  stores  the  events  to  the
       local syslog.

       Additional  information,	 examples, and general trouble-shooting can be
       found in each of the tool manpages.

Project Libraries
       The following libraries are distributed and supported by FreeIPMI.


       A C library that includes KCS, SSIF, OpenIPMI Linux,  and  Solaris  BMC
       drivers,	 IPMI  1.5  and	 IPMI  2.0  LAN communication interfaces, IPMI
       packet building utilities, IPMI command utilities,  and	utilities  for
       reading/interpreting/managing IPMI.


       A  library for Serial-over-Lan (SOL) console access. SOL console access
       is abstracted into a file descriptor interface, so users may  read  and
       write console data through a file descriptor.


       A library for sensor monitoring that abstracts away most IPMI details.


       A library for IPMI node detection.

       Report bugs to <> or <>.

       Copyright © 2003-2012 FreeIPMI Core Team.

       FreeIPMI	 is  free  software;  you can redistribute it and/or modify it
       under the terms of the GNU General Public License as published  by  the
       Free  Software Foundation; either version 3 of the License, or (at your
       option) any later version.

       libfreeipmi(3),	libipmiconsole(3),  libipmidetect(3),  libipmimonitor‐
       ing(3),	freeipmi.conf(5),  bmc-config(8),  bmc-device(8), bmc-info(8),
       bmc-watchdog(8), ipmi-chassis(8),  ipmi-fru(8),	ipmi-locate(8),	 ipmi-
       oem(8),	 ipmi-pef-config(8),  ipmi-pet(8),  ipmi-raw(8),  ipmi-sel(8),
       ipmi-sensors(8), ipmi-sensors-config(8), ipmiconsole(8), ipmidetect(8),
       ipmiping(8), ipmipower(8), rmcpping(8)

FreeIPMI 1.2.1			  2013-11-21			   FREEIPMI(7)

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