Installation instructions for NetFlow Auditor and supported Operating Systems

Linux RedHat Installation

Overview
The following instructions will take you step by step through the Red Hat wizard-driven installation process and the required DigiToll NetFlow Auditor-specific settings.

Requirements
Red Hat Enterprise 5 Licensed Software

Installation
To install the Red Hat Operating System:

Load Red Hat CD into drive and reboot server.
The following dialog is displayed:

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Press [ENTER].
The following dialog is displayed:

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Select desired Language (e.g. ‘English’), and click OK.
The following dialog is displayed:

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Select desired Keyboard Type (e.g. ‘us’), and click OK.
The following dialog is displayed:

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Select Local CDROM, Make sure the Centos installation CD is inserted, and click OK.
The following dialog is displayed:

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Click Skip. This will start the Centos Installer.
The Red Hat Installer Welcome screen:

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Click Next.
Language Selection:

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Select desired language for the installation (e.g. ‘English’), and click Next.
Keyboard Configuration:

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Select Custom and click Next.
Disk Partition Setup:

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Select Manually partition with Disk Druid, and click Next.
At this stage, you might be prompted with the following message:

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If so, click Yes.

Disk Setup:

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In the table, highlight the Free Space row, and click New.
The following dialog is displayed:

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In the Add Partition dialog, set the following:
Mount Point: /boot
File System Type: ext3
Size (MB): 100

Then, Click OK.

Disk Setup: 1 new partition is added:

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In the table, highlight the Free Space row, and click New.
The following dialog is displayed:

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In the Add Partition dialog, set the following:
File System Type: swap

Size (MB): it is recommended to enter two times the physical memory size (e.g. 512)

Then, Click OK.

Disk Setup: 2 new partitions are added:

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In the table, highlight the Free Space row, and click New.
The following dialog is displayed:

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In the Add Partition dialog, set the following:
Mount Point: /

File System Type: ext3

Size (MB): at least 4000

Then, Click OK.

Disk Setup: 3 new partitions are added:

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In the table, highlight the Free Space row, and click New.
The following dialog is displayed:

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In the Add Partition dialog, set the following:
Mount Point: /digitoll

File System Type: ext3

Additional Size Options: Fill to maximum allowable size

Then, Click OK.

Disk Setup: 4 new partitions are added:

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Click Next.
Boot Loader Configuration:

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You can leave as is. Click Next.
Network Configuration:

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In the Network Devices table, highlight the eth0 Device and click Edit.
The following dialog is displayed:

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In the Edit Interface dialog, set the following:
Configure using DHCP: unchecked

Activate on boot: checked

IP Address: appropriate numbers (e.g. 192.168.0.206)

Netmask: appropriate numbers (e.g. 255.255.255.0)

Then, Click OK.

Network Configuration: Network Devices are now updated.

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You can choose a desired hostname (e.g. ‘digitoll-svr’). Then, click Next.
Firewall Configuration:

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Select Enable firewall, check the Web Server option and click Next.
Additional Language Support:

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Select a system default language (e.g. ‘English-USA’). Then, click Next.
Time Zone Selection:

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Select a time zone from the list (e.g. ‘Australia/Sydney’), and click Next.
Set Root Password:

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Enter a password, re-confirm and click Next.
Package Installation Defaults:

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Check Customize software packages to be installed and click Next.
Package Group Selection:

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Check the Editors option, uncheck all the rest and click Next.
About to Install:

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Click Next. This will begin the installation, which may take a few minutes.
Installation Complete:

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Click Reboot. This will reboot the Linux Server, so that the new configurations will take effect.

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