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Ever wondered, what happens behind the scenes to boot Linux? Knowing about what happens from the time you press the power button to the time when you get the login screen on Linux, i.e. boot process in Linux is very important. It can come very handy when you’re debugging why isn’t a system booting properly… Read Article →

Git is the most popular version control system now a days. The reason behind popularity is its simple yet tremendous functionality. Unlike other VCSs (Version Control Systems), Git has some unique ways to control and share your data. Because of its huge functionality it also tends to become a lot complex for advanced users. As… Read Article →

Chef is an amazing configuration management tool, widely used in a lot of industries. If you are not familiar with how to run chef/chef-solo, please go through this article first. One of the best feature of Chef is it’s collection of resources. Resources allows Chef to handle configuration of the designated server. Resource have their… Read Article →

An artist in Deviantart with profile name ‘doctormo’ published an awesome tweak which let’s you to change the user-interface of the GIMP something similar to world popular image editing software Photoshop. This tweak currently works on GIMP 2.8 .It does works for GIMP 2.9 but some features might be missing Steps To Installation : 1) Download… Read Article →

When you are trying to make changes in a code, there is a big chance of failure. And if the system is as huge as OpenStack, it becomes really hard to figure the error out. Here comes Rally. Rally makes benchmarking of OpenStack simple and automated. Rally works in three steps: 1. Deployment: Rally is… Read Article →

Since the day I started to read about the virtualization concept, I have been troubled by QEMU and KVM. They both look like complementary, but what exactly they do? And then there is libvirt, what role does it play? Let’s try to understand that.   When you dive deep into the virtualization, you find hypervisor…. Read Article →

Linux was developed as a multi-user system. One big problem with multi-user systems is securing information of a particular user from other users. To do that, a concept of permissions was introduced. When you create a file, you have the right to read and write it. In this article we are going to understand how… Read Article →

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