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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:9973 | -Boris Derzhavets, March 24, 2014

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:9753 | -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:9607 | -falko, April 17, 2013

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:9431 | -falko, April 19, 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:9421 | -falko, April 29, 2012

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:9419 | -falko, January 16, 2013

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:9392 | -falko, December 11, 2011

Install Hyper-V Linux Integration Components on CentOS 5

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Microsoft has introduced together with Windows 2008 a new Hypervisor called Hyper-V. Initially Microsoft only supported Microsoft products and Novell Suse, but recently they added support for Red Hat Enterprise Linux. With this support it is also possible to install the components on CentOS. read more...
permapage | score:9377 | -falko, August 8, 2009

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:9355 | -falko, February 2, 2012

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:9269 | -falko, June 5, 2012

Virtual Hosting with PureFTPd, MySQL on CentOS 6.4

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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. read more...
permapage | score:9267 | -falko, April 3, 2013

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:9245 | -falko, November 7, 2011

Tutorial: Install Rsyslog 5.7.x on CentOS 5

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This tutorial shows how you can install a new generation of syslog servers by using Rsyslog. According to Rsyslog web site (www.rsyslog.com), Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log destinations, syslog/tcp, fine grain output format control, high precision timestamps, queued operations and the ability to filter on any message part. It is quite compatible to stock sysklogd and can be used as a drop-in replacement. Its advanced features make it suitable for enterprise-class, encryption protected syslog relay chains while at the same time being very easy to set up for the novice user. read more...
mail this link | permapage | score:9234 | -falko, February 16, 2011

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:9202 | -falko, December 1, 2010

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:9161 | -falko, April 1, 2013

Set up NFS on CentOS 6.3

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This guide explains how to set up an NFS server and an NFS client on CentOS 6.3. 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:9150 | -falko, December 16, 2012

Install OCS Inventory NG Server 2 On CentOS 5.5

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This article explains how to install OCS Inventory NG Server 2 on Linux Server. OCS Inventory is a great software to make inventories. The NG Server is formed by: communication server, deployment server, and administration console. The computers that will be inventoried must run an agent (installed on each computer), to connect to the OCS NG Server. We are using the CentOS 5.5 (64bits) distribution, but it will probably work on Fedora (and Red Hat, for sure). read more...
permapage | score:9108 | -falko, January 29, 2011

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:9079 | -falko, December 15, 2011

vtiger Installation on CentOS 5

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vtiger is the CRM / complete tracking solution I have looked for and needed for 10 years! An all-in-one tracking everything organic package that ties everything together - because every task has many things associated with it, and vtiger works the way people think. read more...
permapage | score:9078 | -falko, September 15, 2010

Tutorial: Xen on CentOS 6.3 (x86_64)

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This tutorial provides step-by-step instructions on how to install Xen (version 4.1.x) on a CentOS 6.3 (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. read more...
permapage | score:9075 | -falko, August 29, 2012
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Space Tyrant: Multithreading lessons learned on SMP hardware

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MiniLesson: An introduction to Linux in ten commands

Programming Language Tradeoffs: 3GL vs 4GL

The Supreme Court is wrong on Copyright Case

No, RMS, Linux is not GNU/Linux

Missing the point of the Mac Mini

Shadow.sh: A simple directory shadowing script for Linux

 

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