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Full Discussion: How to partition your disk?
Operating Systems Linux Red Hat How to partition your disk? Post 302774619 by bakunin on Saturday 2nd of March 2013 02:54:25 PM
Old 03-02-2013
Quote:
Originally Posted by MadeInGermany
I vote for not having a /opt partition because binaries are in /usr and /opt.
But that means you must have a much bigger / partition, I suggest 40 GB
According to the Filesystem hierarchy standard /opt is for "Add-on application software packages" - like DB/2 as the thread-O/P has mentioned. "/usr", on the other hand ("usr"="Unix Software Resources")

Quote:
is shareable, read-only data. That means that /usr should be shareable between various FHS-compliant hosts and must not be written to. Any information that is host-specific or varies with time is stored elsewhere.

Large software packages must not use a direct subdirectory under the /usr hierarchy.
So, if one thinks about installing application binaries in "/opt" it might be a good idea to have it reside in its own filesystem. If you are foing to cluster the system you even have to, so that it can be made part of the resource group and shared between the nodes.

Regarding the size of "/var/tmp" and "/tmp": my tenet is to start out small and increase as necessary. It is only 2 commands to increase from 1GB to 20GB should the necessity arise. It is a lot more complicated to shrink it back once the space is allocated.

It is true that disk space is cheap nowadays and, agreed, i might be a little old-fashioned, coming from times where 1k was a lot of space. Still, i hate to waste anything, be it diskspace, processor power, memory or whatever.

I hope this helps.

bakunin
 

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LEARN ABOUT MINIX

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).

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powerman-2.3.5							    2009-02-09							      httppower(8)
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