source

Open Source .NET Development

One of the changes Microsoft brought with .NET was to submit C# and theCommon Language Runtime for standardization. As a result, for the first time,people have been able to develop open source tools that can be used withMicrosoft’s tools. These open source tools are important because they givedevelopers increased efficiency and flexibility. This is the [...]

Java Open Source Programming: with XDoclet, JUnit, WebWork, Hibernate

The Java language itself is not strictly open-source (Sun has held onto control, albeit with lots of public input). There is, however, a large open-source development community around this highly capable language.Java Open Source Programmingdescribes and provides tutorials on some of the most interesting public Java projects, and is designed to enable a Java programmer [...]

How to Use TestLogServer with Websense Express

TestLogServer is a command-line utility that displays log traffic sent to Websense Log Server. TestLogServer listens on port 55805, which is the same port used by Websense Log Server. Here is an example of traffic displyed by the TestLogServer: time=Fri Jul 30 09:15:41 2004 version=3 server=10.1.1.1 source=127.0.0.1 dest=199.181.132.250 protocol= “http” url= “http://espn.com/” port= “80″ category= [...]

How to resolve PHP Pecl Memcached module installation problems

I am using on several projects memcached and on the application side the php memcached module. This can be installed as any pear/pecl module, or from source by downloading the source .tgz and running the classic phpize; ./configure; make; make install; While trying to upgrade the memcached module to the latest version available 2.1.2 I [...]

Nokia Open Source Web browser for S60 Smartphones

Nokia unveiled the new Web browser for its world leading smartphone software, S60 platform aimed to provide smartphone users with a true Web experience when browsing full Web pages on the Internet using a smartphone. “The new Web browser for S60 is based on the WebCore and JavaScriptCore components of Apple’s Safari Web Kit, the industry’s smallest [...]

How to increase PageRank In WordPress by Putting NoFollow Relationship

Blogroll in WordPress displays a list of blogger’s favorite blogs in the sidebar of their blog. Blogroll provides links to external blogs in easily managed way. Some webmasters also use Blogroll to display backlinks to other external sites for link exchange or link buying. In reality, links added by WordPress blogroll is actually useless textlinks [...]

How to configure single IP Addresses in IPtables

Opening up a whole interface to incoming packets may not be restrictive enough and you may want more control as to what to allow and what to reject. Lets suppose we have a small network of computers that use the 192.168.0.x private subnet. We can open up our firewall to incoming packets from a single [...]

A brief to various iptables commands

We will use an example based approach to examine the various iptables commands. In this first example, we will create a very simple set of rules to set up a Stateful Packet Inspection (SPI) firewall that will allow all outgoing connections but block all unwanted incoming connections:

How to Install and Configure iptables under CentOS

Working with iptables from the command line requires root privileges, so you will need to become root for most things we will be doing. Iptables should be installed by default on all CentOS 3.x, 4.x and 5.x installations. You can check to see if iptables is installed on your system by: $ rpm -q iptables [...]

How to Block IP address of any country with iptables

Sometime it is necessary to block incoming connection or traffic from specific remote host. iptables is administration tool for IPv4 packet filtering and NAT under Linux kernel. Following tip will help you to block attacker or spammers IP address.  The blocklist is create with an API I wrote and you can use wget to update [...]

How to Install Elgg – An open, flexible social networking engine

Elgg is an open, flexible social networking engine, designed to run at the heart of any socially-aware application. Building on Elgg is easy, and because the engine handles common web application and social functionality for you, you can concentrate on developing your idea. Elgg is open source. That means, when you use Elgg, you have [...]

How to convert a table from one storage engine to another in MySQL

 MySQL supports several storage engines that act as handlers for different table types. MySQL storage engines include both those that handle transaction-safe tables and those that handle non-transaction-safe tables: MyISAM manages non-transactional tables. It provides high-speed storage and retrieval, as well as fulltext searching capabilities. MyISAM is supported in all MySQL configurations, and is the default storage engine [...]

How to Install Zimbra on Ubuntu

Zimbra Collaboration Suite (ZCS) 5.0 is a truly modern, innovative messaging and collaboration application. Zimbra is the leading open source solution for enterprise, service provider, education, and government environments; offering administrators and their end-users unmatched benefits. It’s no wonder Zimbra is a popular choice for today’s growing Mac and Linux email server base. Ajax based [...]