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Command Line

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  • 5 min
  • Engineering

Develop And Debug Kubernetes Microservice Applications Fast With Cloud Code And Skaffold Modules

Microservice applications are popular, and for good reason. They offer flexibility over monolithic applications, and superior scalability when containerized and deployed to Kubernetes. To be functional, a microservice application must run all its services. Issues arise when you want to build your application as a whole for your CI/CD pipeline and still be able to develop a subset of microservices. This is where Skaffold modules help. Skaffold modules give microservice developers the ability to build and deploy parts of their applications separately. This results in an efficient development flow that enables: Iterating on and debugging a subset of microservices Cross-boundary…
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  • 3 min
  • Programming
  • Solutions
  • Tech

7 Linux Commands To Use Just For Fun

These playful Linux commands are also surprisingly useful. The Linux command line can be the home of power users and sysadmins. However, Linux is more than just a lot of hard work. Linux was developed by fun-loving people who created an array of comical commands. Try playing around with these yourself when you want a smile. Steam locomotive (sl) For no reason whatsoever, you can cause a steam locomotive to zip across your terminal using the sl command. Install Steam Locomotive with your package manager. For example, on Fedora: $ sudo dnf install sl   Don Watkins, CC BY-SA 4.0 Real uses As…
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  • 4 min
  • DevOps

5 Ops Hacks For Sysadmins

As a sysadmin, every day I am faced with problems I need to solve quickly because there are users and managers who expect things to run smoothly. In a large environment like the one I manage, it’s nearly impossible to know all of the systems and products from end to end, so I have to use creative techniques to find the source of the problems and (hopefully) come up with solutions. This has been my daily experience for well over 20 years, and I love it! Coming to work each day, I never quite know what will happen. So, I have a…
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  • 4 min
  • DevOps
  • Programming
  • Software

10 Commands Every Linux User Should Know

You may think you’re new to Linux, but you’re really not. There are 3.74 billion global internet users, and all of them use Linux in some way since Linux servers power 90% of the internet. Most modern routers run Linux or Unix, and the TOP500 supercomputers also rely on Linux. If you own an Android smartphone, your operating system is constructed from the Linux kernel. In other words, Linux is everywhere. But there’s a difference between using Linux-based technologies and using Linux itself. If you’re interested in Linux, but have been using a PC or Mac desktop, you may be wondering what you need to…
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  • 1 min
  • Programming

PyCon 2019 | Writing Command Line Applications that Click

PyCon 2019 | Writing Command Line Applications that Click Speaker: Dave Forgac   Click is a Python package that helps you create well-behaved command line interfaces with minimal code. In this tutorial you will: Learn what makes a command line application “”well-behaved”” Build an application that exercises the most commonly-used features of Click Get an overview of the more advanced functionality available Package and install the application You will leave with an example application that you can use as a basis for your own command line development.   Slides can be found at: https://speakerdeck.com/pycon2019 and https://github.com/PyCon/2019-slides
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