RHEL

Latest Article:

Barebones postfix install for RHEL

This article describes how to install a postfix mail server with no extras or optimization. It's intended only for users who are experienced administrators or who just want a basic mail server installed for a single purpose like sending email alerts from another service.

RHEL Setup:

RHEL Setup - Page 1: Your RHEL Slice will be a bare-bones install. We need to connect via SSH and secure it as soon as possible.

RHEL Setup - Page 2: Now that we have configured the Slice to be more secure with SSH keys and a basic iptables firewall, we can carry on and update the Slice to get ready for the rest of the server install.

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RHEL- Shorewall installation : Although we looked at iptables in the RHEL setup articles, let's take a look at Shorewall which may make things a lot easier.

RHEL- Shorewall configuration : Now we have Shorewall installed, let's see how we can configure it t help protect our Slice.

RHEL- working with Shorewall default macros: We're ready to take a look at Shorewall's default macros - this means is looking at the rules Shorewall uses. It's easier than it sounds.

RHEL- Shorewall and custom macros: Although we have installed and configured Shorewall to use its default macros, let's take a look at opening custom ports by creating our own macros.

RHEL- Shorewall basic troubleshooting : Let's take a look at troubleshooting our shorewall installation. Although things rarely go wrong when setting up a server, you never know!

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RHEL and Email:

Barebones Postfix install for RHEL: A barebones set of instructions for installing Postfix. Aimed at experienced admins who just want to set up a basic postfix install to send email from a slice.

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RHEL and Apache:

Barebones apache install for RHEL: How to set up a basic, no-frills apache server. Recommended for experienced admins only.