HowTo articles list
From TechnologicalWiki
- Bash Scripts to automatize Nutch
Crawling data
This article is focused on create a script ( Linux shell ) to automatize the crawling process :
1.Create a folder named scripts ( for example ) in search folder :
/search/scripts
2. Create a file named crawl.sh ( for example ) into the scripts folder :
/search/scripts/crawl.sh
Note : "Indexing is done using Solr".
- !/bin/sh
- The basedir for nutch installation
NUTCH_HOME=.
- The basedir used in storing the crawl content
BASEDIR=$1
- Nu ...
- Bots in WikiProjects
Writing in the wiki (Wikipedia,Wikimedia, ...) is a process which is realized by a lot of people in the world daily. They create articles which must be corrected by other people to get a good level in the editing of th
- Cloning and Backing up a Linux based System via Network
How to back up and clone at the same time our linux basd system. - Configuring database persistence in JBossMQ
In our example, JBoss AS (version 4.2.3) is installed in /opt/java/jboss and profile 'default' is started. We are using JBoss
JBoss AS uses Hypersonic for persist JMS messages. Hypesonic is a small database enough to develop but it's not good for production environment: It's a slow system and sometimes the database corrupts and JMS service stops working.
For this reason, you have to change JBossMQ persistence to another database. We are going to change to Oracle.
Note: In newer JBoss AS (I d ... - Creating a Local Automatic Debian-Ubuntu Repository
There are two types of Debian repositories,
- trivial
- automatic
- How To Change look and feel to your Wiki
Nowadays there are a lot of personal and public wikis about different topics. Perhaps you would like to change its appearence, in this article we are going to show how to change look and feel to your wiki.Once you have installed a personal wiki, you can change the appearance of it. To change it, There are several ways to do it, but the most powerful is themes management. A theme is a set of parameters which values are grouped for modify the look & feel (col ... - How To Modify your Ubuntu Live CD
The process of modifying the live CD is very simple: First, we mount ubuntu ISO on a directory, copy the file "filesystem.squashfs" located on /casper on another directory. Next, we mount filesystem.squashfs on a different directory and copy its content to another directory. After, execute chroot in this directory. Then, we will be able to get or remove the packages we (don't) need ... - How To make a JAVASCRIPT extension cross browser
JAVASCRIPT is a web lenguage which can be used in all web browsers. The main weakness of JAVASCRIPT is the little accessibility to resources and OS services. This article shows how to create new and useful JAVASCRIPT extensions which can be used from the browser...JAVASCRIPT is a web lenguage which can be used in all web browsers. The main weakness of JAVASCRIPT is the little accessibility to resources and OS services. This article shows how to create new and useful JAVASCRIPT extensions which can be used from the browser... - How To manage your cell phone using AT Commands
A different way to manage a cell phone is using AT commands. Every cell phone behaves like a modem which use these commands to communicate with other devices. An AT Command is a text chain which is received by the modem. When it occurs, a response is produced inside the modem ... - How to Install Mobile Script on your Smartphone
Brief description of Mobile Script and how to install it - How to add your Alarm information to your Windows Mobile home screen
This brief tutorial will guide you through adding your Alarm info directly on to your Windows Mobile home screen. - How to clone computers using the network
Connect both computers by a crossover cable or make sure that both computers have connectivity.You must configure destination computer first.Configure the network like this:
IP: 192.168
... - How to configure GPRS connection for network access
The description about the article is written over here. Deploy the Article Template in the body of the article passing the description in the description parameter (VIEW HELP). - How to configure SoftPhones in Asterisk
You can download it from http://www.sjlabs.com/sjp.html ... - How to copy 2 devices byte to byte
If you want to copy byte to byte a device or partition, you only need:
Ubuntu / Linux Live CD Start your computer with the live cd on the cdrom drive. Umount the drives or partitions that you like to copy (origin and destination). For example, if you want to copy /dev/sda1 on /dev/sdb1, You can do it typing in a root console:
umount /dev/sda1 umount /dev/sdb1 dd if/dev/sdb1
To increase speed always u ...
- How to create an Opera widget
This article shows the way to create an Opera Widget - How to create extensions for users in Asterisk
We are going to create the extensions for those users in the extensions.conf file in order to get some extensions to communicate each user with the others users. Then, if we call to the extension John, we will speak with the user John and if we call to the extension Mary , we will speak with the user Mary ... - How to discover bluetooth devices using J2ME
In this article you can learn how to discover bluetooth devices using Java 2 Micro Edition (J2ME). - How to discover bluetooth services using J2ME
This article describes the client API used to discover services that are available on a service discovery server. Class DiscoveryAgent provides the methods to search for services on a Bluetooth server device and to initiate device and service discovery transactions. This API does not support searching for services on the local device ... - How to edit or create Wiki articles from OpenOffice
This tutorial will guide you through editing or creating wiki articles from Open Office. - How to encrypt a file using c++
This article shows how to encrypt a file using c++ - How to get started with J2ME
A simple introduction about how to get started with J2ME.A simple introduction about how to get started with J2ME. - How to get started with Mobicents
JSLEE is a low latency and high throughput application server for event processing designed for stringent requirements of core network signaling applications providing a distributed component model and a standardized framework. JAIN SLEE is the Java standard for SLEE (Service Logic Execution Environment). It's an industry standard aimed at portable communications applications, and the point of integration for multiple network resource ... - How to get the hash code from a file using c++
This article shows how to get the hash code from a file using c++ - How to install Apache on windows
The Apache HTTP Server is a web server notable for playing a key role in the initial growth of the World Wide Web. Apache was the first viable alternative to the Netscape Communications Corporation web server (currently known as Sun Java System Web Server), and has since evolved to rival other Unix-based web servers in terms of functionality and performance. The majority of all web servers using Apache are Linux web servers.
Apache is developed and maintained by an open commun ... - How to install JBoss AS in CentOS / RedHat / Fedora
In this HOWTO, we are using CentOS 5.0, JDK6 and JBoss 5.1.x.Let's go !
By default, CentOS 5.0 contains the package java-1.4.2-gcj-compat-1.4.2.0-40jpp.115.
[neodoo@neodoo-02 downloads]$ java --version java version "1.4.2" gij (GNU libgcj) version 4.1.2 20080704 (Red Hat 4.1.2-44) Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY ... - How to install Tomcat on windows and deploy a web application on it
Apache Tomcat is a servlet container developed by the Apache Software Foundation (ASF). Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Sun Microsystems, and provides a "pure Java" HTTP web server environment for Java code to run. Tomcat isn't an application server, like JBoss or JOnAS. It include Jasper compiler, which compiles JSPs turn them into servlets. Tomcat servlets engine is usually used with Apache web server ... - How to install a SQL CE data base on a windows mobile device
This article shows how to install a SQLCE data base on a Windows Mobile device - How to install ubuntu server in qemu with network capabilities
Here you can view how to install ubuntu server in qemu with network capabilities. - How to make a XMPP Bot
It shows how to build a XMPP bot using mobicents.This is a bot that can be configured for doing actions like response in Google Talk chat. They are used as dictionaries, or to get information about something... but the main thing is that they can read and write XMPP events, then we can make programs to manage those events.
XMPP (Extensible Messaging and Presence Protocol) is an open pro ...
It shows how to build a XMPP bot using mobicents. - How to make a XmlHttpRequest in Firefox
Cross-site scripting (XSS) is a type of computer security vulnerability typically found in web applications which allow code injection by malicious web users into the web pages viewed by other users.Some web browsers deny the access to other domains using XMLHttpRequest objects. This little article pretends to show what form you can dodge this protection ... - How to make a backup in linux
You can use Ubuntu or other Linux distros with Tar pakage installed. we will use this utility for compress certain directories of our system ... - How to reduce memory problems on high multithreading programs of Windows Mobile
One of the main problems we have to face when we program on mobile devices is memory limitations. If we don't take care of reserve and free memory while we need it, probably it will appear some memory leaks and disalignments. But some times, althougt we are sure we have allocate me ... - How to run multiple instances of JBoss AS
In this tutorial, we are using CentOS, JDK6 and JBoss 5.1.x.
Remember that you can only run a process in the same IP/port and this is the reason we need this information if we are going to use multiples JBoss instances.
We go to $JBOSS_HOME/server directory, where default profiles are configured and we create profile1 and profile2 for our two JBoss instances.
[root@neodoo-00 ~]# cd /opt/java/jboss/server/[root ... - How to secure your wireless home network
Here are 5 quick steps to help you secure your wireless network from unauthorized access. - How to send Gmail to your mobile phone
The description about the article is written over here. Deploy the Article Template in the body of the article passing the description in the description parameter (VIEW HELP). - How to start with Mobile 3D Graphics for J2ME
Mobile 3D Graphics API for J2ME is specified in JSR 184 and included with the WTK (Wireless Toolkit) from 2.2 version. This proposed JSR will provide a scalable, small-footprint, interactive 3D API for use it on mobile devices (CLDC). This API is based on OpenGL so the concepts are very similar.
This article is going to show how to use the Mobile 3D Graphics API for java, with some code examples. You can start reading this article: ... - How to upload pictures from your mobile phone to Flickr
This tutorial will guide you through installing, setting up and using ShoZu, one of the Flickr recommended 3rd party mobile tools.This tutorial will guide you through installing, setting up and using ShoZu, one of the Flickr recommended 3rd party mobile tools. - Howto install Qemu in Ubuntu Hardy
Qemu virtualizer installing process, step by step, in a Ubuntu Hardy system. - Manage your mobile phone with Wammu via USB on Ubuntu
The description about the article is written over here. Deploy the Article Template in the body of the article passing the description in the description parameter (VIEW HELP). - Nutch
Nutch (v1.0) is open source web-search software. It builds on Lucene Java, adding web-specifics, such as a crawler, a link-graph database, parsers for HTML and other document formats, etc.
Nutch works like a Vertical Searcher, so it searches on particular sites, delving into the different site levels, that is, Nutch is focused on specific slices of content. This is really in ... - Process List on Windows Mobile
This article is going to show how to get active process list - Unstructured Supplementary Service Data (USSD)
This article was lifted from the following site: http://truteq.co.za/tips/ussd/ and was not authored by "Abernala"
USSD (Unstructured Service Supplementary Data) is a GSM technology originally intended for use where the handset needed to access supplementary services such as call forwarding and multiparty calls without intervention by the subscriber.
The USSD bearer is accessed by calling a number that starts with the asterisk or gate (or hash) characters "*" or "#" and then a combination of numerals, asterisks and finally the gate or hash character "#".
The handset recognises such number ... - Using mod proxy with JBoss As
We are using CentOS 5.0, JDK6 and JBoss AS 5.1.x.
This module (and similar like mod_rewrite, mod_jk, ...) is very important because it is how you can insert load balancing with software (you can also do it with hardware) in you Java EE architectures.
If you have Apache Web Server 2.2 or superior, we recommend you to use mod_proxy whiche is better option tan mod_rewrite or mod_jk.
By default, CentOS 5.0 comes with package httpd 2.2.3-22.el5.centos.2
If you don't have it, try to install using ...
[root@neodoo-00 ~]# yum install httpd
Or you can download directly it from Apache HTTP Project Server. Remember to download 2.2 or superior.
Next, we are going to copy the original file of mod_proxy.
[root@neodoo-00 jboss]# cd /etc/httpd/conf.d/
[root@neodoo-00 conf.d]# cp proxy_ajp.conf proxy_ajp.conf_03_10_2009
In this tutorial, we are going to start at the same IP two JBoss instances, one with default ports (8080, ...) and the other with ports moved an amount of 100 (8180, ...). See the HOWTO How to run multiple instances of JBoss AS. - Virtualbox
VirtualBox is a general-purpose full virtualizer for x86 hardware, written with a very modular design.
There are two virtualbox editions:- Open Source Edition: distributed with source under GPL license
- Full Edition: distributed binaries only. Free for personal and evaluation use.


