CentOS

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Mailscanner/Exim Gateway With Communigate PRO Guide

Mailscanner/Exim Gateway With Communigate PRO Guide

In this tutorial we will be installing and setting up Mailscanner as a mail firewall in front of a Communigate pro cluster. This tutorial has been written for the CENTOS 5.x Linux distro but am sure it can be used for any other Linux based system with little modifications. The system will run with SELinux in enforcing mode.

CentOS 5 - Home Gateway Firewall With DHCP Server For Connection Sharing

CentOS 5 - Home Gateway Firewall With DHCP Server For Connection Sharing

If you're trying to set up a home network, you probably want to set up a permiter facing computer connected to your DSL/Cable modem, and then put all of your computers behind that firewall box to keep them safe. This tutorial will show you how to use a single external connection on the gateway computer (using Iptables firewall), and a second internal connection on the same box so you can connect the computers on the inside of your home/office to it.

CentOS 4.6 Server Setup: LAMP, Email, DNS, FTP, ISPConfig (a.k.a. The Perfect Server)

CentOS 4.6 Server Setup: LAMP, Email, DNS, FTP, ISPConfig (a.k.a. The Perfect Server)

This tutorial shows how to set up a CentOS 4.6 based server that offers all services needed by ISPs and web hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 32-bit version of CentOS 4.6, but should apply to the 64-bit version with very little modifications as well.

Sample Configuration of DRBD On CentOS 4.5

Sample Configuration of DRBD On CentOS 4.5

DRBD is an abbreviation of Distributed Replicated Block Device. DRBD is a block device which is designed to build high-availability clusters. This is done by mirroring a whole block device via (a dedicated) network. You could see it as a network RAID1.

How To Configure ISP Mail Server With Virtual Users/Domain On Centos 4.5 Using Postfix, Dovecot, MySQL, phpMyAdmin, TLS/SSL

How To Configure ISP Mail Server With Virtual Users/Domain On  Centos 4.5 Using Postfix, Dovecot, MySQL, phpMyAdmin, TLS/SSL

This tutorial describes how to set up a mail server where Postfix is the SMTP service, and Dovecot provides IMAP and POP services. The users are virtual and user information is stored in a MySQL database.

Installing MyDNS And The MyDNSConfig Control Panel On CentOS 5.1

Installing MyDNS And The MyDNSConfig Control Panel On CentOS 5.1

In this tutorial I will describe how to install and configure MyDNS and MyDNSConfig on CentOS 5.1. MyDNS is a DNS server that uses a MySQL database as backend instead of configuration files like, for example, Bind or djbdns. The advantage is that MyDNS simply reads the records from the database, and it does not have to be restarted/reloaded when DNS records change or zones are created/edited/deleted. A secondary nameserver can be easily set up by installing a second instance of MyDNS that accesses the same database or, to be more redundant, uses the MySQL master / slave replication features to replicate the data to the secondary nameserver.

Installation Guide: CentOS 5.1 Desktop

Installation Guide: CentOS 5.1 Desktop

This document describes how to set up a CentOS 5.1 desktop. The result is a fast, secure and extendable system that provides all you need for daily work and entertainment.

Virtual Users And Domains With Postfix, Courier And MySQL (CentOS 5.1)

Virtual Users And Domains With Postfix, Courier And MySQL (CentOS 5.1)

This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk). In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.

CentOS 5.1 Server Setup: LAMP, Email, DNS, FTP, ISPConfig (a.k.a. The Perfect Server)

CentOS 5.1 Server Setup: LAMP, Email, DNS, FTP, ISPConfig (a.k.a. The Perfect Server)

This tutorial shows how to set up a CentOS 5.1 based server that offers all services needed by ISPs and web hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 32-bit version of CentOS 5.1, but should apply to the 64-bit version with very little modifications as well.

How To Install courier-imap, courier-authlib, And maildrop On Fedora, RedHat, CentOS

How To Install courier-imap, courier-authlib, And maildrop On Fedora, RedHat, CentOS

For some reason there are no Courier packages (courier-imap, courier-authlib, maildrop) available on RedHat-based distributions (RedHat, Fedora, CentOS), and the only third-party repository that had such packages seems to have closed (enlartenment.com). Therefore this tutorial explains how you can create and install your own Courier rpm packages from the sources, and I provide download links for my Courier rpm packages that I compiled on Fedora 8 (i386) so that you can save some time.

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