rsync is a one-way file synchronization tool used in Linux and Unix systems. It is used to ensure that the destination file(s) become an exact replica of corresponding file(s) at the source, thus providing an excellent tool for taking backups. rsync is inherently a file copying tool.… Read more
vi is a classic text editor that has been available with Unix systems right from the beginning. vi has been a very popular text editor and one can edit files very efficiently using it. In this tutorial, we look at some of the vi commands that make it such a powerful editor.… Read more
make is a utility for building programs based on the contents of a specially formatted text file named Makefile or makefile under Linux and Unix environments. A makefile has explicit rules, implicit rules, variable definitions, directives and comments. In the primer make tutorial, we looked at some example makefiles containing explicit rules.… Read more
As the number of source files and libraries required to build a software increase in number, the build process gets more complicated and the time required to build the final executable becomes more and more. Here, the classic make utility available in Linux and other Unix-like environments comes to the rescue as it automatically builds the software based on rules given in a makefile and optimizes on the build process by compiling only the files that have changed since the last build.… Read more
A Linux system provides many services to the users, like secure shell access or the print spooler service. These services need to be started and stopped at appropriate times. The start and stop of these services is controlled by
init scripts.… Read more
This tutorial looks at the GNU Build System. From an end-user's perspective, it first describes how to build the binary executable of a GNU free and open source software package from the available source code and install it on your system.… Read more
Quite often, we wish to know the differences between two versions of a file or a group of files, which may be organized in a directory tree. We wish to be sure that work done is as desired and no errors have been introduced inadvertently in the file(s).… Read more
by Karunesh Johri
The major activities required in a software development life cycle (SDLC) were identified in the waterfall model. The agile concurrent software process model proposes that the activities identified in the waterfall model are not done sequentially; these activities progress concurrently with varying intensities during the entire software life cycle.
More software projects have gone awry for lack of calendar time than for all other causes combined.
Work happens slowly. Why get impatient? No matter how much you water the trees, the fruits will come only at the right time.… Read more
by Karunesh Johri
Scrum is an agile software development methodology. Agile software development processes are different from traditional process models like the waterfall model in the sense that they try to address the fundamental problem,
How to get the real progress?… Read more