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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:9954 | -Boris Derzhavets, March 24, 2014

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:9586 | -falko, April 29, 2012

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:9492 | -finid, August 1, 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:9460 | -falko, January 16, 2013

Tutorial: An NFS-like GlusterFS storage server on CentOS 6.3

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This tutorial shows how to set up a standalone storage server on CentOs 6.3. Instead of NFS, I will use GlusterFS here. The client system will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA. read more...
mail this link | permapage | score:9382 | -falko, December 21, 2012

Tutorial: Install Honeyd 1.5c, Arpd 0.2 (CentOS 5)

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This tutorial shows how you can install your honeypot by using Honeyd (Virtual Honeypot). Honeyd is a small daemon that creates virtual hosts on a network. The hosts can be configured to run arbitrary services, and their personality can be adapted so that they appear to be running certain operating systems. read more...
permapage | score:9314 | -falko, December 8, 2010

Install Apache2, PHP5, MySQL on CentOS 5.6

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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 5.6 server with PHP5 support (mod_php) and MySQL support.
By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment.
read more...
mail this link | permapage | score:9286 | -falko, June 19, 2011

Pygrub and loading Ubuntu 8.10 PV DomU via serial console at Xen 3.3 CentOS 5.2 Dom0

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To load Ubuntu Intrepid Server PV DomU via serial console files vmlinuz-2.6.27-7-server,initrd.img-2.6.27-7-server usually gets copied to Xen 3.3 Dom0 and parameters root="/dev/xvda1 ro", extra="2 hvc0" are included into startup profile. At the same time "root" & "extra" may be specified via new entry into /boot/grub/menu.lst located at DomU.
File /etc/event.d/tty1 should be also modified to work for xen console instead of vfb.It's exec line has to reference hvc0 instead of tty1. All changes above been done at DomU allow to load DomU via pygrub and serial console avoiding using virtual frame buffer. read more...
mail this link | permapage | score:9267 | -Boris Derzhavets, November 1, 2008

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:9265 | -falko, April 17, 2013

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:9255 | -falko, April 3, 2013

Tutorial: Build a CentOS 6.4 x86_64 Server

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This tutorial shows how to prepare a CentOS 6.4 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: nginx web server, Postfix mail server, MySQL, BIND nameserver, PureFTPd, SpamAssassin, ClamAV, Mailman, and many more. Since version 3.0.4, ISPConfig comes with full support for the nginx web server in addition to Apache; this tutorial covers the setup of a server that uses nginx, not Apache. read more...
mail this link | permapage | score:9254 | -falko, April 4, 2013

Tutorial: PHP5-FPM with Apache2 on CentOS 6.3

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This tutorial shows how you can install an Apache2 webserver on a CentOS 6.3 server with PHP5 (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. read more...
permapage | score:9242 | -falko, August 12, 2012

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:9228 | -falko, December 11, 2011

Using mod_spdy with Apache2 on CentOS 6.3

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SPDY (pronounced "SPeeDY") is a new networking protocol whose goal is to speed up the web. It is Google's alternative to the HTTP protocol and a candidate for HTTP/2.0. SPDY augments HTTP with several speed-related features such as stream multiplexing and header compression. To use SPDY, you need a web server and a browser (like Google Chrome and upcoming versions of Firefox) that both support SPDY. mod_spdy is an open-source Apache module that adds support for the SPDY protocol to the Apache HTTPD server. This tutorial explains how to >use mod_spdy with Apache2 on CentOS 6.3. read more...
mail this link | permapage | score:9204 | -falko, March 30, 2013

Secure ISPConfig 3 And Services with GoDaddy Signed Certificate on CentOS

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Let's set up a signed certificate from GoDaddy for the ISPConfig control panel, Pure-FTPD, Postfix, Dovecot, phpMyAdmin, and Squirrelmail. Don't forget to replace pluto.example.com with your own FQDN throughout this entire section! read more...
permapage | score:9204 | -falko, May 31, 2013

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:9198 | -falko, February 2, 2012

Install HVM Solaris 08/07 DomU (32-bit) at Xen 3.2.1 CentOS 5.1 Dom0 (64-bit)

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Solaris 08/07 (10U4) as usual hangs at Xen 3.2 (64-bit) (Xen 3.1) Linux Dom0s.This Xen build has been done with VMXASSIST disabled as advised for FreeBSD HVM DomUs at Xen 3.2 Dom0s. Clone Xen 3.2.1 from mercurial repository@xenbits.xensource.com on xen-disabled CentOS 5.1 64-bit instance as follows:-

# cd /usr/src/
# hg clone http://xenbits.xensource.com/xen-3.2-testing.hg
# cd xen-3.2-testing.hg
# make world vmxassist=n
# make install
read more...
permapage | score:9151 | -Boris Derzhavets, April 29, 2008

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:9149 | -falko, December 1, 2010

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:9132 | -falko, April 19, 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:9110 | -falko, November 7, 2011
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