Tomcat Version Change

While working with Tomcat, we observed that Tomcat displays Error Page which has the Tomcat version on it. When ever we call a page which is not available , the tomcat server will push a Error page along with the version like The Error page will also display the Version of the apache which may allow people to exploit...

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Apache – Custom Error Page

Error handling is one of the important parts when running a server. The application running inside the server provides the necessary services to the client but it is the responsibility of the server to serve custom pages for errors. In this article we will see how we can configure custom error page 404 for Apache web server along with...

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Working with GIT

GIT is now considered as a most versatile distributed version control system. The GIT is not completely different from the sub-version we use. The main benefit of using GIT is that it provides better ways when tracking and handles file changes. Normally with the SVN, we configure a SVN Repository and then use a client to connect to the repository to download the project. Once we have the project in our space, we make changes...

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RPM – Script Execution

There may be cases where we need to perform a action whenever we install a RPM. Consider a Case where we need to create a User when a RPM is Installed or execute a Script to change the permissions on the locations installed by a RPM. RPM in linux provides us various options in doing these. RPM supports a script run prior to installation, %pre, and a script run after installation, %post. The same concepts apply when a package...

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Sub version in Linux

Subversion is a free/open source version control system (VCS). That is, Subversion manages files and directories, and the changes made to them, over time. This allows you to recover older versions of your data or examine the history of how your data changed. In this article we will see how we can configure a Sub version in Linux. 1. In order for the sub version to work we need a couple of tools to be available....

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Build a RPM

Previously Linux programs used to come in source code with all files, configuration stuff so that the user has to build them to work. Now days they are coming in the form of packages which ship ready for installation. We just need to download the RPM and install that into the system using the package management tools like RPM and YUM. For more details see here. In this article we will see how we can build a Sample RPM in...

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