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Install Tomcat And Deploy Web Applications With Rex

Install Tomcat And Deploy Web Applications With RexIn this tutorial I will show you how to manage your Tomcat installations and how to deploy Webapps in a repeatable way with Rex. In this tutorial I will use Debian Squeeze, but Rex is also available for other distributions. Introduction to RexRex is a tool, written in Perl, to ease the administration and deployment of many servers.From the Website: With (R)?ex you can manage all your boxes from a central point through the complete process of configuration management and software deployment.The starting point of a Rex project is its Rexfile. Re

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Xtables-Addons On Centos 6 & Iptables GeoIP Filtering

Xtables-Addons On Centos 6 & Iptables GeoIP FilteringThis tutorial will explain how to install aditional modules for the kernel to use with iptables rules sets (netfilter modules). Xtables-addons is the successor to patch-o-matic(-ng). Likewise, it contains extensions that were not, or are not yet, accepted in the main kernel/iptables packages.
Xtables-addons is different from patch-o-matic in that you do not have to patch or recompile the kernel.A list of all available modules can be found here and their usage here. 1 Preliminary NoteBefore we start, make sure that SELinux is disabled. Runsys

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Lessfs 1.5 On CentOS 5

Lessfs 1.5 On CentOS 5For this HowTo I used a VirtualBox with CentOS 5.7 x86_64. I attached a
separate 20GB Data drive mounted to /data. This will hold the lessfs DB and data.
The lessfs mountpoint I put at /lessfs.This is a very basic setup, just to get it running. There is plenty of tuning
to be done based on volume size, file types, and compression choices.The latest lessfs required more recent versions of fuse and tokyocabinet than
was in the CentOS repository, so I chose to install most of this from source. 1 Install dependencies:You may need ‘gcc’ packages or others to compile.yum instal

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Editing Images With Pinta

Editing Images With Pinta

Editing Images With PintaVersion 1.0Author: Christian Schmalfeld  This article is about how to use the Pinta graphical editor to edit pictures and covers some of its most important features.This tutorial comes without warranty of any kind. 1 Preliminary NotePinta is a lightweight image editor for Linux and is far more easier
to handle than Gimp but still has a large variety of tools and features
to use. It can be used for quick editing like resizing images or
adjusting the colours of photographs, but also for more professional
tasks which depend on

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How To Create A RAID1 Setup On An Existing CentOS/RedHat 6.0 System

How To Create A RAID1 Setup On An Existing CentOS/RedHat 6.0 SystemBy: Maurice Hilarius – Hard Data Ltd. – October 12, 2011 This tutorial is for turning a single disk CentOS 6 system into a two disk RAID1 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).NOTE: Everything has to be done as root:su -enter root passwordIn this example the initial layout for the hard disks was:Disk with installed OS. “Original”Device Mountpoint Size————————————————————

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How To Install ImageMagick (And Imagick) With jp2 Support On CentOS (6.0)

How To Install ImageMagick (And Imagick) With jp2 Support On CentOS (6.0)This tutorial describes how to install ImageMagick and imagik with jp2 support on CentOS 6.0.1. First we have to remove imagemagick.yum remove ImageMagick2. Now install some dependencies.yum install jasper-develyum install jasper3. Download tar.gz from www.imagemagick.org.cd /tmpwget ftp://mirror.aarnet.edu.au/pub/imagemagick/ImageMagick-6.7.3-1.tar.gz4. Install:tar zxf ImageMagick-6.7.3-1.tar.gzcd ImageMagick-6.7.3-1./configure –prefix=/usr –with-modules –with-perl=/usr/bin/perl –with-jp2 –enable-shared –disable-st

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vsftpd: Local And Virtual Users With Bash Scripts For User Maintainance (CentOS 6.0)

vsftpd: Local And Virtual Users With Bash Scripts For User Maintainance (CentOS 6.0)vsftpd is the most popular FTP server in the Linux world and is secure
and fast. Recently I had to configure a FTP server quickly onto a CentOS server setup built using the minimal ISO and the server was up and
running in a snap.The server being used here is a Linux Cent OS Minimal installation build.CentOS 6vsftpd 2.2.2Follow these instructions: $ su – rootAt the root shell: # yum install vsftpdThis installs the daemon from the distribution’s repository. A default
config file is placed with the most basic an

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SQUID Proxy On RHEL5/CentOS – Everything That You Should Know About [Part 1]

SQUID Proxy On RHEL5/CentOS – Everything That You Should Know About [Part 1]The main feature or duty of a proxy server could be a gateway that receives
HTTP requests from clients and forwards the request to the destination and relays the answer back to the requestor.Squid is most popular open-source software that brings this to us. It also has
some excellent features for doing something else such as web access controlling,
bandwidth controlling, restriction policies, and content caching and filtering. Actually people install SQUID to pursuit 2 goals: first reduce the bandwidth
charges by conte

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RedHat Cluster Suite And Conga – Linux Clustering

RedHat Cluster Suite And Conga – Linux ClusteringThis how to describes an easy step by step installation of the RedHat Cluster Suite on three CentOS nodes and prepare them as nodes of a cluster. You will also install the Management suite which is web based and is known as Conga.You will use three nodes to form the cluster and one node as the cluster management node and as a cluster node it will not take part. All the nodes and the management node should be resolvable either by host file entries or by DNS.Cluster Nodes:cnode1:    eth0-192.168.2.151/24 – external-lan    eth1-192.168.1.200/26 – i

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Installing An Oracle-Ready CentOS 6.2 Server

Installing An Oracle-Ready CentOS 6.2 ServerThis is how to for installing an Oracle-ready Linux box with CentOS 6.2, It covers the steps involved on the preparation of an Oracle-ready server for the further installation of Oracle Database Server/Oracle Fusion Middleware Suite on a multi-role server deployment.Requirements An USB stick with more than 4 GB of free storageA 64 bits server machine with plenty RAM and HDD storageConnectivity with CentOS Internet repositories or LAN mirrorsA Linux client machine with an installed desktop environment: CentOS, Debian, Ubuntu, etc. + Gnome, KDE, etc.St

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