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Flask is one of the most used frameworks in Python. If you are new to the flask and if you are getting this error - ImportError: No module named 'flask' on virtualenv, read further. You are sure that the Flask module is already installed. But still, you are getting No module error. This is because you need to install a flask framework inside the virtualenv. Follow these instructions Step 1 Create a directory where you will be installing the virtualenv.   krishna@osboxes:~$ mkdir testenv   Step 2 Get inside the folder and install virtualenv krishna@osboxes:~$ cd testenv/ krishna@osboxes:~/testenv$ pip install virtualenv or $ sudo apt-get install virtualenv   Successfully installed appdirs contextlib2 distlib filelock importlib-metadata importlib-resources pathlib2 scandir singledispatch six typing unknown unknown virtualenv Step 3 Activate the virtualenv This virtual environment requires activation and dedicated installation insid...

DevOps is a buzz word in the last decade, everybody wants to try their luck in DevOps. DevOps is the most generic area of software engineering. Every team and every company wants to have a team called DevOps. Nowadays, everybody wants a DevOps tag name attached to them irrespective of what they do. This works for most people. Because of the generous nature of the DevOps skillsets. That means, the pool of DevOps skillsets so huge, even if you know a few of them, it will work for you. If you are a developer or QA and want to change over to DevOps, here is the list of bare minimum technologies and skills you should learn. These are the mandatory skillsets you should possess before you try your luck in DevOps. 1. Expert Knowledge on Linux Environment You take any software development, without a Linux flavor it will be incomplete. You should have a thorough knowledge of how to work in a Linux environment. If you have system administration knowledge, then it's a huge advantage. Mos...