What is rapidly changing in this world? I should say, it is the mobile phone technology. The only question remains is that how fast. It’s in the speed of light! Companies are pumping tonnes of money in this sector. Earlier the big news was Google is going to present mobile phones to the world. All the existing giants shook their …

In a Guest OS with NAT network, out going traffic will show the host IP address. we use this mainly for access something form the guest OS. But some times we want to access the guest OS from the network. Normal case this is not possible and will reach only up to the Host server. It is possible through a …

Nokia N97(successor of N96) is a touchscreen “mobile PC” in the N series by Nokia with a fold-out QWERTY keyboard. This phone is Nokia’s second touch screen phone(after Nokia 5800) based on the Symbian OS S60 5th edition platform. This phone was released in US on 9th June 2009 & on 26th june 2009, it was released worldwide.  This phone …

GlassFish is an application/web server for deploying Java based web application. To obtain best performance in production environment, some modification has to be made to the default GlassFish installation. Tip 1:  Java Version Typically, many performance optimizations are always being incorporated in newer releases of Java SE.  Whenever possible, it is a good idea to upgrade to  the latest version …

In our previous article we explained the steps for windows. Here you can find the steps to identify the service running in a port on linux . Here we used commands “fuser” and “PS”. I am using apache2 web server  on port 80. Replace your port number with 80 (my example with port 80 ) Run following command to find …

Most of the applications are using standard ports, some cases user or application will assign different ports for the application. For example Port 80 is the default port for IIS, if you are trying to start a different web applications it will say error message like “port 80 already in use” . Or you start the third-party web application before …

Internet users are increasing day by day. Now most people take internet from their mobile phones. Anyone can take Internet from GPRS enabled mobiles if we have the GPRS settings from the connection provider.

To setup SSL in different java based web servers like Apache, Tomcat, Glassfish, we generally use the keytool command line to create certificate, generate CSR etc…,  which is a bit complicated and confusing if you are not well versed with the keytool command line, We can make our life much more easier, by using Keytool IUI which is GUI version …

Here is the step by step Installation procedure of a Syslog Server.  Here I Used Debian platform.  If you are in a different platform please check your file names and path.

In many times, we all may required an output of specific column in a file, for example we want to know the users in the system, for this we need to open passwd file in /etc folder and view, but the file is having so much of information, it is time consuming  to takeout user name, in that case we …