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Quantum basic RDO setup (grizzly) to have original LAN as external on CentOS 6.4

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Attempting to follow http://allthingsopen.com/2013/08/23/openstack-packstack-installation-with-external-connectivity


I've got an error after starting :-
# packstack --allinone --quantum-l3-ext-bridge=eth0
It reports that ovs port eth0 already exists. Approach bellow in general follows RDO's discussion at http://openstack.redhat.com/forum/discussion/196/quantum-basic-setup

Follow as normal http://openstack.redhat.com/Neutron-Quickstart
When done create under /etc/sysconfig/network-scripts read more...
mail this link | permapage | score:9977 | -Boris Derzhavets, March 24, 2014

Install Apache2, PHP5, MySQL on CentOS 5.7

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LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on a CentOS 5.7 server with PHP5 support (mod_php) and MySQL support. read more...
permapage | score:9648 | -falko, December 11, 2011

Tutorial: Install Postfix, Courier, MySQL, SquirrelMail on CentOS 6.2

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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, 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. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin, ClamAV and SquirrelMail. read more...
mail this link | permapage | score:9603 | -falko, February 2, 2012

Tutorial: Install Lighttpd, PHP5, MySQL on CentOS 6.0

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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 6.0 server with PHP5 support (through FastCGI) and MySQL support. read more...
permapage | score:9575 | -falko, December 15, 2011

Stella: RH/CentOS 6.3 based Desktop OS

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If you are familiar with CentOS, you know that out of the box, it is not really designed as a desktop distribution. Stella changes all that, as it is primarily aimed at desktop users, while retaining the core enterprise features and capabilities of CentOS. read more...
permapage | score:9548 | -finid, August 1, 2012

Tutorial: Install Lighttpd, PHP5, MySQL on CentOS 6.4

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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 6.4 server with PHP5 support (through PHP-FPM) and MySQL support. PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busier sites. I use PHP-FPM in this tutorial instead of Lighttpd's spawn-fcgi. read more...
permapage | score:9470 | -falko, April 17, 2013

ownCloud 4.0 on CentOS 6.2

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This document describes how to install and set up ownCloud on CentOS 6.2 on an nginx web server and php-fpm with postgreSQL database as backend. For other distributions there might be minor changes as to the software prerequisites installation procedures. This guide will not only help install the product, but also understand why certain points are done the way they are done. read more...
permapage | score:9388 | -falko, June 5, 2012

Tutorial: Install Nginx, PHP5, PHP-FPM, and MySQL on CentOS 6.4

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Nginx (pronounced "engine x") is a free, open-source, high-performance HTTP server. Nginx is known for its stability, rich feature set, simple configuration, and low resource consumption. This tutorial shows how you can install Nginx on a CentOS 6.4 server with PHP5 support (through PHP-FPM) and MySQL support. read more...
permapage | score:9321 | -falko, April 1, 2013

Setting up KeePass for Centos 6

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This mini-howto describes how to set up KeePass on Centos 6<. It requires building mono from source and installing the "portable" version of KeePass. Finally there are a few tweaks that need to be done so that it can execute properly. read more...
permapage | score:9254 | -falko, August 5, 2013

Tutorial: Install a Streaming Audio Server with Icecast 2.3.3 on CentOS 6.3 x86_64 Linux

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This tutorial explains creating your own streaming audio server with Icecast (OGG/MP3). Icecast was designed to stream any audio file if a appropiate streaming client is available. For OGG/Vorbis you can use ices and for MP3 icegenerator. Here is a small tutorial how to set up Icecast for streaming OGG/Vorbis and MP3. read more...
permapage | score:9222 | -falko, January 16, 2013

Build a Mail Server on CentOS 6 with Postfix, Dovecot, PostgreSQL

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We're going to set up a free, full-featured mail server on CentOS 6.2, all mail service related components are free and open source, and you have control over your own data. The installation process is extremly easy and smooth. read more...
permapage | score:9120 | -falko, April 29, 2012

Set up a PostgreSQL cluster with Pacemaker, Corosync, DRBD (CentOS 5.5)

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This article explains how to set up (and monitor) an Active/Passive PostgreSQL Cluster, using Pacemaker with Corosync and DRBD. We use two nodes, one active (that answers requests from apps) and the other one in passive mode. If the active server is down, the passive one will automatically take its position (being the active node). We are using the CentOS 5.5 (64bits) distribution, but it will probably work on Fedora (and Red Hat, for sure) as well. read more...
permapage | score:9042 | -falko, December 1, 2010

Openfiler is moving to CentOS

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Openfiler, a Linux distribution designed for building Network Attached Storage (NAS) systems, is being ported to CentOS, a distribution which itself is derived from Red Hat Linux. read more...
permapage | score:9035 | -finid, August 4, 2013

CentOS 6 Minimal Desktop Install

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This example of a minimal desktop shows how to manually create partitions using ext3 and ext4 for a server that has a minimal desktop for a graphical interface.
Create a / partition with the ext4 file system. The size of this partition should be at least 6 GB for a minimal install. One aspect to think about, if you are using the standard partitions you will not be able to resize these later as you would if you were using LVM. 10 GB is a safe choice for a server if you are creating a separate /usr partition.
read more...
mail this link | permapage | score:8983 | -aweber, December 20, 2011

KVM Virtualization on CentOS 6.4

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This guide explains how you can install and use KVM for creating and running virtual machines on a CentOS 6.4 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V. read more...
permapage | score:8960 | -falko, April 19, 2013

Tutorial: Xen on CentOS 6.2

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This tutorial provides step-by-step instructions on how to install Xen (version 4.1.2) on a CentOS 6.2 (x86_64) system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other, but still use the same hardware. read more...
permapage | score:8946 | -falko, January 31, 2012

Installing OpenVZ on CentOS 5.7

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In this HowTo I will describe how to prepare a CentOS 5.7 server for OpenVZ. With OpenVZ you can create multiple Virtual Private Servers (VPS) on the same hardware, similar to Xen and the Linux Vserver project. OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. The OpenVZ kernel patch is licensed under the GPL license, and the user-level tools are under the QPL license. read more...
permapage | score:8915 | -falko, November 7, 2011

Set up an NFS server on CentOS 5.5

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This guide explains how to set up an NFS server and an NFS client on CentOS 5.5. NFS stands for Network File System; through NFS, a client can access (read, write) a remote share on an NFS server as if it was on the local hard disk. read more...
permapage | score:8913 | -falko, September 28, 2010

Tutorial: Set up a Linux Layer 7 Packet Classifier on CentOS

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This tutorial will walk you through setting up a Linux layer 7 packet classifier on CentOS 5.1, this can easily be adapted to any other Linux distribution out there.
L7-filter is a classifier for the Linux Netfilter that identifies packets based on patterns in application layer data. This allows correct classification of P2P traffics. It can classify packets such as Kazaa, HTTP, Jabber, Citrix, Bittorrent, FTP, Gnucleus, eDonkey2000, etc., that uses unpredictable ports as well as standard protocols running on non-standard ports. It complements existing classifiers that match on IP address, port numbers and so on.
read more...
mail this link | permapage | score:8906 | -falko, August 1, 2008

Configure PureFTPd for TLS on CentOS 6.2

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FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to configure PureFTPd to accept TLS sessions on a CentOS 6.2 server. read more...
permapage | score:8903 | -falko, March 27, 2012
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The Network Computer: An opportunity for Linux

VPS: Xen vs. OpenVZ

 

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