08-18-2008
Rocks clusters make sense for educational environments
08-18-2008 11:00 AM
Cluster computing has played a pivotal role in the way research is conducted in educational environments. Because the amount of available money and hardware varies between university researchers, often it's necessary to find a clustering solution that can work well on a small scale, but also can be expanded into a large computing cluster. To maximize grants, researchers typically ask for an open source solution to meet their needs. Despite the lack of certain desirable features,
Rocks clusters are among the best open source solution for building a computing cluster.
Source...
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LEARN ABOUT CENTOS
httppower
httppower(8) powerman httppower(8)
NAME
httppower - communicate with HTTP based power distribution units
SYNOPSIS
httppower [--url URL]
DESCRIPTION
httppower is a helper program for powerman which enables it to communicate with HTTP based power distribution units. It is run interac-
tively by the powerman daemon.
OPTIONS
-u, --url URL
Set the base URL.
INTERACTIVE COMMANDS
The following commands are accepted at the httppower> prompt:
auth user:pass
Authenticate to the base URL with specified user and password, using ``basic'' HTTP authentication which sends the user and password
over the network in plain text.
seturl URL
Set the base URL. Overrides the command line option.
get [URL-suffix]
Send an HTTP GET to the base URL with the optional URL-suffix appended.
post [URL-suffix] key=val[&key=val]...
Send an HTTP POST to the base URL with the optional URL-suffix appended, and key-value pairs as argument.
FILES
/usr/sbin/httppower
/etc/powerman/powerman.conf
ORIGIN
PowerMan was originally developed by Andrew Uselton on LLNL's Linux clusters. This software is open source and distributed under the terms
of the GNU GPL.
SEE ALSO
powerman(1), powermand(8), httppower(8), plmpower(8), vpcd(8), powerman.conf(5), powerman.dev(5), powerman-devices(7).
http://sourceforge.net/projects/powerman
powerman-2.3.5 2009-02-09 httppower(8)