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Re: Detecting amount of memory?

The kernel reports the amount of memory in /proc/meninfo .  It shows the memory information in kilobytes.
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-----Original Message-----
From: Patrick Lists <ks-list puzzled xs4all nl>
Sender: kickstart-list-bounces redhat com
Date: Tue, 21 Dec 2010 13:18:37 
To: Discussion list about Kickstart<kickstart-list redhat com>
Reply-To: Discussion list about Kickstart <kickstart-list redhat com>
Subject: Detecting amount of memory?


I trying to create a kickstart script on CentOS 5.5 that installs an RPM
depending on the amount of memory in the box. For example if the box has
>= 6GB memory then install RPM2 else install RPM1. With some Googling I
now have the following snippet:

memKB=$(free|grep Mem|awk '{print$2}')
memGB=$(echo "($memKB/1024)/1024"|bc)
if [ "$memGB" -ge 6 ]; then

yum install foobar$BIGMEM-1.0-1.rpm

The problem is that on a box with 6GB memory this snippet says it does
not have 6GB mem:

memKB = 6123716 KB
memGB = 5 GB

Anyone know what I am doing wrong?


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