Linux Tutorials on the topic “centos”

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

    Author: unclecameronTags: Comments: 10

    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.

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

    Author: babarsaleemTags: , Comments: 1

    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.

  • Installation Guide: CentOS 5.1 Desktop

    Author: o.meyerTags: , Comments: 2

    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)

    apache Author: Falko TimmeTags: , , Comments: 19

    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.

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

    Author: Falko TimmeTags: , Comments: 14

    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.

  • Creating A Local Yum Repository (CentOS)

    Author: thimTags: Comments: 21

    Creating A Local Yum Repository (CentOS) Sometimes it can be handy to set up your own repository to prevent from downloading the remote repository over and over again. This tutorial shows how to create a CentOS mirror for your local network. If you have to install multiple systems in your local network then all needed packages can be downloaded over the fast LAN connection, thus saving your internet bandwidth.

  • Configuring A High Availability Cluster (Heartbeat) On CentOS

    Author: babarsaleemTags: Comments: 47

    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

    Author: mastrboyTags: , , Comments: 1

    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.

  • Integrating eAccelerator Into PHP5 (CentOS 5.0)

    Author: Falko TimmeTags: , Comments: 0

    Integrating eAccelerator Into PHP5 (CentOS 5.0) This guide explains how to integrate eAccelerator into PHP5 on a CentOS 5.0 system. From the eAccelerator project page: "eAccelerator is a free open-source PHP accelerator, optimizer, and dynamic content cache. It increases the performance of PHP scripts by caching them in their compiled state, so that the overhead of compiling is almost completely eliminated. It also optimizes scripts to speed up their execution. eAccelerator typically reduces server load and increases the speed of your PHP code by 1-10 times."

  • How To Harden PHP5 With Suhosin On CentOS 5.0

    Author: Falko TimmeTags: , , Comments: 3

    How To Harden PHP5 With Suhosin On CentOS 5.0 This tutorial shows how to harden PHP5 with Suhosin on a CentOS 5.0 server. From the Suhosin project page: "Suhosin is an advanced protection system for PHP installations that was designed to protect servers and users from known and unknown flaws in PHP applications and the PHP core. Suhosin comes in two independent parts, that can be used separately or in combination. The first part is a small patch against the PHP core, that implements a few low-level protections against bufferoverflows or format string vulnerabilities and the second part is a powerful PHP extension that implements all the other protections."