Installing Dovecot IMAP and POP daemon with MySql backend
Dovecot is an open source IMAP and POP3 server for Linux/UNIX-like systems, written primarily with security in mind. Dovecot primarily aims to be a lightweight, fast and easy to set up open source mailserver.
It's assumed that you have already installed and configured Postfix according to this tutorial:
Installing Postfix with MySql backend and SASL for SMTP authentication
1. Install required packages
apt-get install dovecot-imapd dovecot-pop3d
Installing Courier POP3 and IMAP daemon with MySql backend
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework. In this tutorial we'll only use the Courier POP3 and IMAP services.
It's assumed that you have already installed and configured Postfix according to this tutorial: Installing Postfix with MySql backend and SASL for SMTP authentication
1. Install required packages
apt-get install courier-authdaemon courier-authlib-mysql courier-pop courier-pop-ssl courier-imap courier-imap-ssl
MySql database replication (master/slave)
In this tutorial we'll create a simple one-way master/slave database replication. You must have at least one master and one slave but you can use multiple slaves.
Master
1. Configure master to listen on all ip addresses (pico /etc/mysql/my.cnf)
#bind-address = 127.0.0.1
Port forwarding with iptables
In this tutorial we'll set up a simple port forwarding (NAT) using iptables.
1. Enable ip forward
echo "1" > /proc/sys/net/ipv4/ip_forward
Installing Zend Optimizer
The Zend Optimizer enables you to run Zend Guard encoded files.
1. Download a copy of Zend Optimizer / Guard from the location below and put it into /tmp
http://www.zend.com/en/products/guard/downloads
Using Debian Volatile to keep your packages updated
Some packages aim at fast moving targets, such as spam filtering and virus scanning, and even when using updated data patterns, they do not really work for the full time of a stable release. The main goal of volatile is allowing system administrators to update their systems in a nice, consistent way, without getting the drawbacks of using unstable, even without getting the drawbacks for the selected packages. So debian-volatile will only contain changes to stable programs that are necessary to keep them functional.
Add an additional IP address to your server
1. Open the network configuration file (pico /etc/network/interfaces)
Check the name of your network interface. You should see a line similar to this one: "iface eth0 inet static". In my case the name is eth0.
Add these lines to the end of the file:
auto eth0:1
iface eth0:1 inet static
address 192.168.1.3
netmask 255.255.255.0
broadcast 192.168.1.255
network 192.168.1.0
Monitoring multiple servers with Munin
Munin is a network/system monitoring application that presents output in graphs through a web interface. Its emphasis is on simple plug and play capabilities. A large number of monitoring plugins are available. Using Munin you can easily monitor the performance of your computers, networks, SANs, and quite possibly applications as well. It makes it easy to determine "what's different today" when a performance problem crops up. It makes it easy to see how you're doing capacity wise on all limited resources.
Master monitoring server
1. Install Munin and Munin node daemon:
apt-get install munin munin-node
Installing ionCube
ionCube protects software written using the PHP programming language from being viewed, changed, and run on unlicensed computers.
1. Download ionCube loaders
wget http://downloads.ioncube.com/loader_downloads/ioncube_loaders_lin_x86.tar.gz
Installing PowerDNS on etch/lenny
The PowerDNS Nameserver is a modern, advanced and high performance authoritative-only nameserver. It is written from scratch and conforms to all relevant DNS standards documents. Furthermore, PowerDNS interfaces with almost any database.
This tutorial has been tested and is working on Debian etch and lenny
1. Install the PowerDNS server and MySql backend using apt
apt-get install pdns-server pdns-backend-mysql
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