CentOS

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Set Up A Full-Featured Mail Server With iRedOS: MySQL, Postfix, Dovecot, ClamAV, SpamAssassin, RoundCube/SquirrelMail

Set Up A Full-Featured Mail Server With iRedOS: MySQL, Postfix, Dovecot, ClamAV, SpamAssassin, Amavisd, RoundCube/SquirrelMail

iRedMail is a shell script that lets you quickly deploy a full-featured mail solution in less than 2 minutes, since iredmail 0.5 it also supports Debian 5.0.1 (it supports both i386 and x86_64). Its object is to make a Linux mail server installation and configuration simple and easy to use. iRedMail supports both OpenLDAP and MySQL as backends for storing virtual domains and users.This tutorial shows how to use the MySQL backend. iRedOS is a customized CentOS 5.3 distribution, where e unnecessary packages were removed. It ships with the lastest version of iRedMail (iredmail0.50); it lets you install iredmail more quickly and smooth.

The Perfect Server - CentOS 5.4 x86_64 [ISPConfig 3]

The Perfect Server - CentOS 5.4 x86_64 [ISPConfig 3]

This tutorial shows how to prepare a CentOS 5.4 x86_64 server for the installation of ISPConfig 3, and how to install ISPConfig 3. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache web server, Postfix mail server, MySQL, MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more.

The Perfect Server - CentOS 5.4 x86_64 [ISPConfig 2]

The Perfect Server - CentOS 5.4 x86_64 [ISPConfig 2]

This tutorial shows how to set up a CentOS 5.4 server (x86_64) 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 64-bit version of CentOS 5.4, but should apply to the 32-bit version with very little modifications as well. In the end you should have a system that works reliably, and if you like you can install the free webhosting control panel ISPConfig (i.e., ISPConfig runs on it out of the box).

Linux Security Notes - AIDE File Integrity

Linux Security Notes - AIDE File Integrity

AIDE (Advanced Intrusion Detection Enviornment) is a tool to check the file integrity. It is an opensource substitute for TRIPWIRE. It allows to take snapshots of all the major configuration files, binaries as well as libraries stats. And helps to find which binaries have been changed in case of compromisation of the system.

SquirrelMail Configuration Easy Steps (SquirrelMail + Sendmail + Apache On RedHat/CentOS/Fedora)

SquirrelMail Configuration Easy Steps (SquirrelMail + Sendmail + Apache On RedHat/CentOS/Fedora)

This tutorial explains how you can install and configure SquirrelMail on a RedHat/CentOS/Fedora based mail server which uses Sendmail and Apache.

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (CentOS 4.8 i386)

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (CentOS 4.8 i386)

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 used by Postfix.

Virtual Hosting With PureFTPd And MySQL (Incl. Quota And Bandwidth Management) On CentOS 5.3

Virtual Hosting With PureFTPd And MySQL (Incl. Quota And Bandwidth Management) On CentOS 5.3

This document describes how to install a PureFTPd server that uses virtual users from a MySQL database instead of real system users. This is much more performant and allows to have thousands of ftp users on a single machine. In addition to that I will show the use of quota and upload/download bandwidth limits with this setup. Passwords will be stored encrypted as MD5 strings in the database.

How To Set Up Software RAID1 On A Running LVM System (Incl. GRUB Configuration) (CentOS 5.3)

How To Set Up Software RAID1 On A Running LVM System (Incl. GRUB Configuration) (CentOS 5.3)

This guide explains how to set up software RAID1 on an already running LVM system (CentOS 5.3). The GRUB bootloader will be configured in such a way that the system will still be able to boot if one of the hard drives fails (no matter which one).

How To Set Up Software RAID1 On A Running System (Incl. GRUB Configuration) (CentOS 5.3)

How To Set Up Software RAID1 On A Running System (Incl. GRUB Configuration) (CentOS 5.3)

This guide explains how to set up software RAID1 on an already running CentOS 5.3 system. The GRUB bootloader will be configured in such a way that the system will still be able to boot if one of the hard drives fails (no matter which one).

How To Install And Configure Advanced Policy Firewall (APF) On CentOS 5.3

How To Install And Configure Advanced Policy Firewall (APF) On CentOS 5.3

This tutorial explains how you can install and configure APF - an interface to IPTables which lets you easily configure a full featured firewall to secure servers and workstations connected to a network. This guide describes an example installation on a server with cPanel but it's only a matter of port numbers which must be open for everything to work. APF can be used on any system.

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