Podcast
Questions and Answers
Which tools do developers primarily use to provision individual development environments?
Which tools do developers primarily use to provision individual development environments?
Why do developers create modular applications?
Why do developers create modular applications?
What does "Works on my machine." refer to?
What does "Works on my machine." refer to?
What does "Infrastructure as code" mean?
What does "Infrastructure as code" mean?
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Why is re-provisioning faster than repairing in infrastructure as code?
Why is re-provisioning faster than repairing in infrastructure as code?
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Which operating system kernel is the Linux family based on?
Which operating system kernel is the Linux family based on?
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Who is the creator of the Linux kernel?
Who is the creator of the Linux kernel?
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Which Linux distribution is NOT mentioned as a popular one in the text?
Which Linux distribution is NOT mentioned as a popular one in the text?
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Which organization recommends the name 'GNU/Linux' for Linux distributions?
Which organization recommends the name 'GNU/Linux' for Linux distributions?
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What is typically included in a Linux distribution?
What is typically included in a Linux distribution?
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Study Notes
Development Environments
- Developers primarily use Docker, Virtual Machines, and Cloud Hosted Environments to provision individual development environments.
Modular Applications
- Developers create modular applications to ensure that a failure in one module does not affect the entire application.
"Works on my machine."
- "Works on my machine" refers to a phenomenon where an application works correctly on the developer's local machine but fails when deployed to a different environment.
Infrastructure as Code
- "Infrastructure as Code" is a practice in which infrastructure is provisioned and managed through code and configuration files, rather than through graphical interfaces or command-line tools.
Re-provisioning vs Repairing
- Re-provisioning is faster than repairing in infrastructure as code because it allows for the creation of a new instance from a known good configuration, rather than trying to fix issues with an existing instance.
Linux Kernel
- The Linux family is based on the Unix operating system kernel.
- Linus Torvalds is the creator of the Linux kernel.
Linux Distributions
- Linux distributions typically include the Linux kernel, system libraries, system utilities, and applications.
- The organization that recommends the name 'GNU/Linux' for Linux distributions is the Free Software Foundation.
- Slackware is NOT mentioned as a popular Linux distribution in the text.
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Description
Test your knowledge on the essential DevOps tools used in each phase of the DevOps lifecycle. Learn about tools like Puppet, Chef, Kubernetes, and Docker that aid in creating production-identical environments, improving development efficiency, and more.
