Hy, I've an 486 dx2 laptop an I want to run unix on it, the problem is it has only 4 megabytes of ram, so my question is; does anybody know an unix based OS which runs with only 4 mb?
thanx (7 Replies)
Hi,
I am seeing very high kernel usage and very high load averages on my system (Although we are not loading much data to our database). Here is the output of top...does anyone know what i should be looking at?
Thanks,
Lorraine
last pid: 13144; load averages: 22.32, 19.81, 16.78 ... (4 Replies)
Hi All,
In my application malloc is returning NULL even though there is sufficient amount of free memory is available but swap memory is low.
Is this possible that, if free memory is high & swap memory is low, malloc will not be able to allocate memory & return NULL ?:)
Kindly look into... (5 Replies)
on the file Ftp'd from the mainframe ,do we have any UNIX command to replace mainframe low and values to space or null.
i tried using tr and it doesn't work ...
Thanks (1 Reply)
Is it possible to have a bash script pick the highest and lowest values of four variables? I've been googling for this but haven't come up with anything. I have a script that assigns variables ($c0, $c1, $c2, and $c3) based on the coretemps from grep/sed statements of sensors. I'd like to also... (5 Replies)
Hi guys,
i have a question about spliting a binary file into 2 chunks.
First chunk with all high bytes and the second one with all low bytes.
What unix tools can i use? And how can this be performed?
I looked in manpages of split and dd but this does not help.
Thanks (2 Replies)
I've got a domain running on a few boards of a 25k. I'm seeing very high kernel cpu usage in top and cant' quite explain it. System runs a large number of smallish Oracle 10g2 databases (30), used mainly for development.
load average: 36.63, 36.68, 37.42
2489 processes: 2452 sleeping, 21... (0 Replies)
Need some clarification on this....
1. how are kernel/ user spaces and high/low memory related?
2. What do they all mean when i have the kernel command line as:
"console=ttyS0,115200 root=/dev/sda2 rw mem=exactmap memmap=1M@0 memmap=96M@1M irqpoll"
or
2. what do mem and memmap mean in... (3 Replies)
Hello All
I have a system running AIX 61 shared uncapped partition (with 11 physical processors, 24 Virtual 72GB of Memory) .
The output from NMON, vmstat show a high run queue (60+) for continous periods of time intervals, but NO paging, relatively low I/o (6000) , CPU % is 40, Low network.... (9 Replies)
Discussion started by: IL-Malti
9 Replies
LEARN ABOUT CENTOS
rhnreg_ks
RHNREG_KS(8) Red Hat, Inc. RHNREG_KS(8)NAME
rhnreg_ks - A program for non interactively registering systems to Spacewalk Server, Red Hat Satellite or Red Hat Network Classic.
SYNOPSIS
rhnreg_ks [options]
DESCRIPTION
rhnreg_ks is a utility for registering a system with the "Spacewalk Server", "Red Hat Satellite" or "Red Hat Network Classic". It is
designed to be used in a non-interactive environment (a kickstart style install, for example). All the information can be specified on
the command line or stdin.
OPTIONS --profilename
Specify the profile name that should be used as an identifier for the system in Spacewalk Server, Red Hat Satellite or Red Hat Net-
work Classic
--username
The username to register the system with under Spacewalk Server, Red Hat Satellite or Red Hat Network Classic. This can be an exist-
ing Spacewalk, Red Hat Satellite or Red Hat Network Classic username, or a new username.
--password
The password associated with the username specified with the --username option. This is an unencrypted password.
--activationkey
Specify/use a serial number to associate with the system. This is optional, but activation keys can really simplify the registration
process. Learn more about activation keys in the online RHN documentation.
--contactinfo
This option has been deprecated. Please login to the server web user interface and update your contactinfo.
--nohardware
Do not probe or upload any hardware information.
--nopackages
Do not profile or upload any package information.
--novirtinfo
Do not profile or upload any virtualization information.
--norhnsd
Do not start rhnsd after completion.
--force
Register the system even if it has already been registered.
--version
Show the version of rhnreg_ks.
--proxy
Specify a HTTP proxy to use.
--proxyUser
Specify a username to use with an authenticated HTTP proxy.
--proxyPassword
Specify a password to use with an authenticated HTTP proxy.
--sslCACert
Specify a path to a SSL CA certificate to use.
--serverUrl
Specify a URL to as the server.
-h, --help
Show a help message and exit.
FILES
/etc/sysconfig/rhn/systemid
The digital server ID for this machine if the system has been registered onto "Spacewalk Server", "Red Hat Satellite" or "Red Hat
Network Classic". This file does not exist otherwise.
/etc/sysconfig/rhn/up2date
The common configuration file used by RHN client programs.
EXAMPLES
Register a new system to Spacewalk / Red Hat Satellite / Red Hat Network Classic:
rhnreg_ks --profilename "example_profile_name" --username "someexampleuser" --password "foobar"
SEE ALSO rhn_check(8), rhn_register(8), rhnsd(8), rhn-profile-sync(8), rhnplugin(8), up2date(5).
AUTHORS
See the AUTHORS file included with this software.
This manual page was written by Adrian Likins <alikins@redhat.com> and James Bowes <jbowes@redhat.com>
BUGS
Report bugs to <http://bugzilla.redhat.com>.
COPYRIGHT
Copyright (C) 1999-2011 Red Hat, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
Linux 2011 February 4 RHNREG_KS(8)