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command line interface

I'm testing Redhat Enterprise Linux 6 for our apps. However, RHN do not support beta RHEL 6 software. How do I use yum command to install additional software without using DVD ROM?
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I wish I had access to one of those nifty UNIX command-line tools under MS-Windows Vista or XP operating systems. How do I access UNIX command line utilities under Windows with out using virtualization?
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Linux Check Health of 3ware RAID Array

How do I check the health of my 3ware RAID array under any Linux distribution? How do I access 3ware RAID Array web interface?
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CentOS Linux apply package updates

Q. I've CentOS Linux 5 Server and I'd like to apply all package and security update. How do I apply package updates from the Internet?

A. CentOS comes with yum command. It is a command-line interface to update packages. There is also a graphical tool called pup.

yum command

For a command-line interface over the ssh session, the the command as root user:
# yum update

pup command

To start the graphical Update tool, type the command:
# pup &

HowTo: Find Out Hard Disk Specs / Details on Linux

Can you tell me a Linux command to find out information about my hard disk such as description, product name, bus type, size, and cache memory size under Linux operating systems using command line options?
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