Nithin's Blog

CAS server setup in 10mts

The Central Authentication Service (CAS) is a single sign-on protocol for the web. Its purpose is to permit a user to access multiple applications while providing their credentials (such as user id and password) only once. It also allows web applications to authenticate users without gaining access to a user’s security credentials, such as a … Continue reading →

Setup Learning locker

Make your LEARNING LOCKER LIVE Continue reading →

Easy way to Install Let’s Encrypt

Let’s Encrypt is an SSL certificate authority managed by the Internet Security Research Group (ISRG) Continue reading →

Subversion in nutshell

An open source version control system Continue reading →

Building a PHP Shopping Cart

PHP shopping cart from scratch Continue reading →

Setup Secure Webserver HTTPS (SSL) on Apache in Ubuntu

Secure HTTP (SSL/TLS) is a must if you have a website with authentication or any sensitive data. For our University Digital library I needed to set up HTTPS last week. Here I will be explaining step by step methods to implement HTTPS. Hypertext Transfer Protocol Secure / HTTPS are a protocol to transfer encrypted data … Continue reading →

Hide PHP extension using .htaccess

Last time I saw a site which was done in php but the url of the site was so clean, Extension .php was not there in it . This made me think how I can do this ? What is it ? Hide the .php extension of your PHP files in the URL of your … Continue reading →

Setting up Virtual box

Oracle VM VirtualBox enables desktop or laptop computers to simultaneously run multiple operating systems, allowing users to get the most flexibility and utilization out of their PCs. Before starting we must be familier with the following terms : Host operating system (host OS): the operating system of the physical computer on which VirtualBox was installed. … Continue reading →

Extended Global Regular Expressions Print (egrep)

Searching Text Files With Egrep There are different ways to search a text! You can use a text editor which uses regular expression pattern or you can use utility egrep. I thing egrep is the best way to search! When we search using egrep with some regular expression, it attempts to match the regular expression … Continue reading →

Protect Servers Against the Shellshock Bash Vulnerability

Shellshock explained A vulnerability in GNU’s bash shell that gives attackers access to run remote commands on a vulnerable system. If server has not updated bash in since Tue Sep 30 2014: 1:32PM, you’re most definitely vulnerable and have been since first boot. it affects versions 1.14 to the most recent version 4.3 according to … Continue reading →

Restore All Installed packages in Ubuntu server to new machine

I’ve recently had the occasion to make a complete list of software installed while upgrading our Ubuntu 8.04 LTS server to 10.04 LTS. It’s always safe to note down all the packages already installed in the server but using this we can create a list of packages thats already installed. This steps will help you … Continue reading →

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