DevOps and Linux practice

This week we are going to learn about Development Operations. Its a topic that I hear very often in the industry and I didn’t know really well what this was about. If you want to learn more about what DevOps is, I made a blog post summarizing a reading about that here.

For this blog I’m going to be completing some task that show the job of a Dev Ops engineer in a simple way. For each achievement I’m going to talk about my experience:

1.- Install a Linux distribution

I already have a partition of Ubuntu Desktop 16 in my laptop, I use it for some classes or when I need to go full developer mode(no video games). I installed it a while ago, I chose Ubuntu because it is a popular choice for newcomers and students. It’s easy to customize and looks pretty, there might be better choices but at the moment I don’t have the necessity to change my Linux distribution.

2.- Install support for your development environment.

This task is really important, here is where we chose our tools, programming languages, text editors, libraries and everything else we need to have our development environment ready to go. Most of the choices I made here were just determined by preference. It’s important too that you customize your environment as you want, choose the text editor you are most used to, the tools you prefer and the themes you like; remember that you are most likely be working here a lot of time, so it does not hurt to make it easier for you.

Languages: I already have Python 2 and 3, Java, C and C++. That includes any compiler or installation needed.

Code editor: For big projects I installed Visual Studio Code, it’s a really robust editor with a lot of functionalities and a lot of extensions created by the community. For quick edits I like to use Sublime, it may have less functionalities than VSCode but is faster and also looks pretty.

Tools: I installed Git for version control, Conda to handle several environments and NodeJS to make Web Applications easily.

3.- Setup your first test use of Cron on your server.

Crontab is a very useful tool to run scripts at specific times. It’s really simple, this tutorial is enough to understand how to create a crontab file. For this practice I made a bash script that prints “Hello world” and runs every 5 minutes.


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