E.F.A Installation On CentOS

Today we will discuss the installation of EFA. We can install EFA on CentOS 7 minimul install. Either we can use the CentOS ISO Or we can Download the ISO Provided by E.F.A. Before installation, we have to meet some requirements, to run the System in Production mood. Systems hardware must be capable to handle the Scanning operation smoothly, so allocating proper hardware resource is important, and systems hostname/domainname, SeLinux needs to configure properly. Below we discussed the followings :

1. System Requirements.
2. System Preparation.
3. EFA Installation Methods.

 

1. System Requirements.

On the Official Page, they mentioned a minimum Installation requirements, like this.

  • A dedicated system for eFa4
  • CentOS 7 (minimal install preferred)
  • 2 CPU’s
  • 100GB of hard-drive space (SSD highly preferred)
  • 8GB memory (dedicated)

But, we may need to allocate more resource to the system, because Spam Filtering & Virus scanning both are CPU and I/O Intensive workload, more RAM and I/O will be necessary if the scanner handles large amount of mail per hour.

2. System Preparation.

Before Installation we need some system preparation, to run the installation smoothly and After Installation to Run the System In production mood.


1. Hostname & Fqdn

we are assigning our EFA systems hostname as “efa” and domain name is “mailserverguru.com” So, the FQDN will be  “efa.mailserverguru.com”.


2. Disable Iptables

During Installation EFA will connect to several mirrors and download a lot of packages, For Smooth Installation,  We need to disable IpTables for now.


3. SeLinux Configuration

We need to set the SeLinux in Permissive mode, if we disable SeLinux, EFA installation script will complain and Stop proceeding.

3. EFA Installation Methods.

EFA provides 2 method for installation.


1st
, is One-Step Install, EFA can be installed with a single command, just run the following command as root:


2nd
, is Detail Install Method, you can download the installation script then observe the script for anything you like to change and finally, run the script to Install EFA.

Please watch the video, to see Complete EFA Installation Step by Step

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