CentOS

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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.

Configuring A High Availability Cluster (Heartbeat) On CentOS

Configuring A High Availability Cluster (Heartbeat) On CentOS

This guide shows how you can set up a two node, high-availability HTTP cluster with heartbeat on CentOS. Both nodes use the Apache web server to serve the same content.

Installing HP Systems Insight Manager On CentOS

Installing HP Systems Insight Manager On CentOS

HP Systems Insight Manager is a free tool from HP that can monitor your network and receive SNMP Traps. It's an excellent trap manager but also a system resource hog.

Installing Lighttpd With PHP5 And MySQL Support On CentOS 5.0

Installing Lighttpd With PHP5 And MySQL Support On CentOS 5.0

Lighttpd is a secure, fast, standards-compliant web server designed for speed-critical environments. This tutorial shows how you can install Lighttpd on a CentOS 5.0 server with PHP5 support (through FastCGI) and MySQL support.

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