An illustrated guide to becoming a DevOps Engineer or Programming Language expert with links to relevant courses
DevOps is really hot at the moment and most of my friends, colleagues, and senior developers I know are working hard to become a DevOps engineer and project themselves as DevOps champion in their organization.
While I truly acknowledge the benefits of DevOps, which is directly linked to improved software development and deployment, from my limited experience I can say that it's not an easy job. It's very difficult to choose the right path in the middle of so many tools and practices.
Being a Java blogger, many of my readers often ask me questions like how to become a DevOps engineer, which tools should I learn? which practices should I follow? does learning Maven and Jenkins must for a DevOps guy? how about Docker and Kubernetes? Does the infrastructure automation part of DevOps? should I learn Chef, Puppet, or Ansible are just some of those questions which keep coming to me.
I have tried hard to answer those with my minimal experience but I couldn't jot them down in a manner which is simply awesome and reusable, but, not to worry.
Today I am going to share with you an awesome resource which will help you to become the DevOps Engineer you always wanted to be, the 2018 DevOps RoadMap.
I was casually surfing through internet yesterday when I come across this excellent GitHub page by Kamranahmedse, which shows a couple of useful roadmaps to become a front-end developer, back-end developer, a full-stack web developer, and last but not the least, the DevOps Engineer.
This RoadMap is awesome in any sense as it does not only highlight what is the role of a DevOps engineer but also tells which tools and technologies you need to learn to cover that area.
On top of that, it's visually appealing with nice colors(don't you like yellow and cream with blue lines?), so you can just take a printout and stick in your desk for easier reference.
Though the roadmap is good in the sense that it tells you what to learn but it doesn't tell you how to learn and where to learn. In order to complete the roadmap, I have shared some useful online courses, both free and paid, so that you can learn and improve the tools or area you want.
The 2018 DevOps RoadMap for Developers
Anyway, here is the 2018 DevOps RoadMap I am talking about:
Now, let's go through the RoadMap step by step and find out how you can learn the essential skills requires to become a DevOps guru in 2018:
1. Learn a Programming Language
If you didn't, don't worry you can take a look at below courses to learn your choice of language, though I strongly suggest you to learn at least one of these three major general purpose programming language.
2. Understand different OS concepts
This is where the Ops part coming in, earlier it was solely supported guys and sysadmin people who were responsible for knowing about OS and hardware, but with DevOps, now developer also needs to know them.
You at least need to know about Process Management, Threads and Concurrency, Sockets, I/O Management, Virtualization, Memory storage and File systems as suggested in the roadmap.
If you need more choices and you don't mind learning from freely available resources then you can also take a look at this list of free Linux courses.
3. Learn to Live in terminal
For a DevOps guy, it's important to have a good command in command line, particularly if he is working in Linux. Knowing some Linux shell like Bash, or Ksh and tools like find, grep, awk, sed, lsof, and networking commands like nslookup and netstat is mandatory.
It's a good refresher for both beginner and experienced Linux users. You will need a Pluralsight membership to access the course which cost around $29 per month or $299 per year but it's totally worth it.
Pluralsight is like developer's Netflix, it has more than 6000 high-quality courses on latest technology which means you can learn anything and anywhere. I mostly learn while traveling and commuting.
Btw, If you need more choices and want to become master on shell scripting, you can also take a look at my list of best courses to learn shell scripting.
4. Networking and Security
Gone are the days of isolation, in today's world, everything is connected to everything which makes networking and security very important.
In order to become a good DevOps engineer, you must know about basic networking and security concepts like DNS, OSI Model, HTTP, HTTPS, FTP, SSL, TLS etc.
As a DevOps champion, you should know what is set up in your machine and how you can set that up, only that you can think about automating it.
In general, a DevOps engineer should know how to set up a Web Server like IIS, Apache, and Tomcat.
He should also know about Caching Server, Load balancer, Reverse Proxy, and Firewall etc. If you are new into web development space, I suggest you to also check out The Web Developer Bootcamp by Colt Steele
6. Learn Infrastructure as code
This is probably the most important thing for a DevOps engineer and this is a very vast area as well. As a DevOps engineer, you should know about containers like Docker and Kubernetes, Configuration management tools like Ansible,Chef,Salt, and Puppet, Infrastructure Provisionings like Terraform and Cloud formation. Here are some of my recommended courses to learn these tools.
If you want to learn Docker then the Docker Mastery: The Complete Toolset From a Docker Captain course on Udemy is the best course to start with. It provides comprehensive coverage of all the tools a DevOps engineer will need.
7. Learn some Continuous Integration and Delivery (CI/CD) tools
This is another very important thing for DevOps gurus and champion, i.e. to set up a pipeline for continuous integration and delivery. There are a lot of tools in the CI/CD area e.g. Jenkins, TeamCity, Drone etc.
But, I strongly recommend learning at least Jenkins, as it's most widely used and probably the most mature CI/CD tool in the market. If you don't know Jenkins then this course is best to start with.
If you want to learn Jenkins, then there is no better course than the classic Master Jenkins CI For DevOps and Developers on Udemy. It's simply the best course and I have also learned most of my Jenkins skill from this course.
Apart from setup and deployment, monitoring is another important aspect of DevOps and that's why it's important for a DevOps engineer to learn about Infrastructure and application monitoring.
There are a lot of tools in this space e.g. Nagios, Icing, Datadog, Zabbix, Monit, AppDynanic, New Relic etc.
You can choose some of them depending on which one is used in your company like AppDynamic and Nagios.
9. Learn about Cloud Provides
Cloud is the next big thing and sooner or later you have to move your application to the cloud, hence it's important for a DevOps engineer to at least know about some of the popular Cloud Providers and their basics.
While AWS is clearly the leader in the cloud it's not alone, Google Cloud and Azure are slowly catching up and then we have some other players like Heroku, Cloud Foundry, and Digital Ocean.
Thanks for reading this article so far. You might be thinking that there is so many stuff to learn, so many courses to join, but you don't need to worry.
There is a good chance that you may already know most of the stuff, and there are also a lot of useful free resources which you can use, I have also linked them here and there along with best resources, which are certainly not free, but worth of money.
I am a particular fan of Udemy courses as they are very affordable and provide a lot of values in very small amount, but you are free to choose the course you want.
At the end of the day, you should have enough knowledge and experience about the things mentioned here.
Good luck with your DevOps journey! It's certainly not going to be easy, but by following this roadmap and guide, you are one step closer to becoming the DevOps engineer, you always wanted to be