IT buzzwords change like the wind. From CI to TDD, and you should always stay updated with latest trends that might increase your productivity and improve the process overall. So today let’s speak about the buzz word “DevOps” because a lot of people are not actually sure is it a movement? A new process or technology? A job title? Or just a way of thinking? Also we will look at top DevOps technologies, tools and benefits.
Probably you have heart a lot about DevOps and their importance in companies. Let’s look at who are Devops engineers, why they are important and how they are different from software developers.
DevOps engineers drive change in IT culture, focusing on rapid IT service delivery through the adoption of agile, lean practices. DevOps engineers improve collaboration between operations and development teams. They utilize Devops technologies , especially automation tools that can leverage an increasingly programmable and dynamic infrastructure from a life cycle perspective.
DevOps engineers are actually very difficult to find. It is relatively something new and good DevOps are rare and the DevOps demand is growing month by month. A new study by Indeed.com has revealed that DevOps engineer is the #1 hardest IT job to fill in North America, leading a list that includes software and mobile engineers. Now we faces a problem of demand- supply, where demand exceeds supply multiple times.
In other words, DevOps is a cultural shift in collaboration between development, operations and testing. Sounds simple, but in reality is not. So, let’s look at main responsibilities of DevOps engineer to understand it better:
Code: Code development and review, version control tools, code merging
Build: Continuous integration tools, build status
Test: Results determine performance
Package: Artifact repository, application pre-deployment staging
Release: Change management, release approvals, release automation
Configure: Infrastructure configuration and management
Monitor: Applications performance monitoring, end user experience
Automate: The processes in software delivery.
Continuous delivery: frequent and short iterations, releases
Benefits of DevOps
- Fast & frequent delivery
- Reliability
- Scale with minimum risks
- Security
- Continuous Integration
- Continuous Delivery
- Reduced time-to-recovery & reduced bottlenecks
Top DevOps technologies & tools
To achieve all these benefits, DevOps use special tools. Let’s look at the main used and good ones:
- Jenkins
- Docker
- Github
- Consul
- Zookeeper
- Bash
- Netstat
- Htop
- Iotop
- Telnet
- Ngrep
- Ping
- Curl
- Samba
- Cifs
- Nfs
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