EPEL (Extra Packages for Enterprise Linux) is a third party RPM repository for Red Hat Enterprise Linux and CentOS. This article describes how to add the EPEL repository in Red Hat Enterprise Linux and CentOS 5 or 6.

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Installing and setting up Dovecot in Red Hat Enterprise Linux 6 or CentOS 6 is easy. All we have to do is to enable the services we would like to provide and we are good to go.

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Installing and setting up Postfix SMTP Server in Red Hat Enterprise Linux 6 or CentOS 6 is easy. Postfix has secure default settings so we just need to open it up a bit.

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Starting and stopping services is easy in Red Hat Enterprise Linux 6 and its derivative CentOS 6. Both includes the Service Configuration tool which simplifies service administration.

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After successfully installing Red Hat Enterprise Linux 6 or CentOS 6, we still have to configure it the first time we use it. The steps below will guide you in setting it up.

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After getting a copy of the CentOS 6 or Red Hat Enterprise Linux 6, the steps below describes how to install it from scratch.

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Here are my list of recommended books to help you use your Red Hat Enterprise Linux or CentOS server to its fullest.

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This article describes how to manage your files in Red Hat Enterprise Linux 5 or CentOS 5.

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Red Hat Enterprise Linux 5 and its derivative CentOS 5, includes tools to configure the network device. This article describes how to configure network devices in Red Hat Enterprise Linux or CentOS 5.

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Before starting to use Red Hat Enterprise Linux 5 or CentOS 5, the static host name table lookup file /etc/hosts must be corrected first. The steps below describes how to do this.

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