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Rakesh Jain Profile picture
@devops_tech
Sep 13, 2021 • 14 tweets • 21 min read • Read on X
List of all my Linux Series Articles.

A thread.

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS
1. Why Linux?

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/why-linux
2. Automating Linux Installation using Vagrant and VirtualBox

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/automating-lin…
3. Linux Directory Structure Explained!

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/linux-director…
4. Linux Access Management: Beginner to Advanced

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/linux-access-m…
5. Understanding Linux File Systems - EXT4, XFS, BTRFS

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/understanding-…
6. A complete guide to Manage Users and Groups on Linux!

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/a-complete-gui…
7. Repository and Package Management on Linux

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/repository-and…
8. Networking in Linux

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/networking-in-…
9. Linux Advanced - Environment Variables in Linux

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/linux-advanced…
10. Linux Advanced - Input Output Redirection and Piping

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/linux-advanced…
11. Linux Advanced - Process Management

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/linux-advanced…
12. Linux Advanced - Job Scheduling

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS

blog.learncodeonline.in/linux-advanced…
13. Linux Advanced - How to SECURE your Linux Server!

#DevOps #cloud #Automation #Linux #Ubuntu #CentOS #security

blog.learncodeonline.in/linux-advanced…

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More from @devops_tech

Rakesh Jain Profile picture
Apr 29
🔍 AIOps vs. DevOps
Can AIOps Replace the Whole DevOps? 🔄

A thread🧵👇 Image
1/ 💡 Culture Matters:

DevOps isn't just about tools; it's about teamwork and making things better together. AIOps helps with some tasks, but it can't fix team dynamics.

Example: In DevOps, developers and IT folks work closely to solve problems faster.
2/ 💻 From Idea to Reality:

DevOps handles everything from planning to getting the software out there. AIOps helps with some steps, but it doesn't cover everything DevOps does.

Example: In DevOps, everyone works together to build and release software smoothly.
Read 9 tweets
Rakesh Jain Profile picture
Apr 22
🚨Kubernetes Interview Guide!

A thread with 15 interview questions & answers for new/intermediate administrators ⚓️👇
1/15: Question: What is a Kubernetes Pod, and why is it used?

Answer: A Pod is the smallest deployable unit in Kubernetes, representing one or more containers that share resources. It's used to deploy, manage, and scale containers.
2/15: Question: How does Kubernetes manage container networking?

Answer: Kubernetes uses the Container Network Interface (CNI) to manage container networking. CNI plugins allow for different network configurations and overlays, enabling communication between pods across nodes.
Read 19 tweets
Rakesh Jain Profile picture
Apr 20
🚨Linux Interview Guide!🚨

A thread with 15 advanced questions &answers 🐧👇 Image
1️⃣ Q: How do you optimize disk I/O performance in Linux?

A: Utilize techniques like RAID striping, I/O schedulers (e.g., deadline, noop), and file system optimizations (e.g., tuning journaling options).
2️⃣ Q: Explain the concept of kernel namespaces in Linux.

A: Kernel namespaces isolate and virtualize system resources, enabling processes to have their own view of the system, improving security and resource management.
Read 18 tweets
Rakesh Jain Profile picture
Apr 18
🚨🚨Interview Guide!

15 Docker scenario-based interview questions and answers 👇🛳️
Q1: U r tasked with deploying a multi-container app on Docker. How would u orchestrate these containers effectively?

A: Utilize Docker Compose, defining services, networks, & volumes in a YAML file. It simplifies multi-container deployments, ensuring consistency & scalability.
Q2: ur team wants to ensure seamless updates without downtime. How would u achieve zero-downtime deployments with Docker?

A: Implement rolling updates with Docker Swarm/ Kubernetes. By gradually updating containers while keeping the app available, u ensure uninterrupted service.
Read 18 tweets
Rakesh Jain Profile picture
Apr 16
🚨🚨 Interview Tip!

What happens at the backend when you launch a Pod in Kubernetes!

A Thread 👇 Image
🐳 Step 1: YAML Configuration

To kick things off, you create a YAML file defining your Pod's configuration. This includes details like container images, ports, volumes, etc. #Kubernetes #YAML
🔍 Step 2: API Request

Once you've got your YAML ready, you send an API request to the Kubernetes cluster. This request includes your Pod configuration. #K8s #API
Read 21 tweets
Rakesh Jain Profile picture
Apr 13
Docker Master Class in 15 practical examples 🛳️

A Thread 👇
1/ Hello Docker!

docker run hello-world

Experience the magic of Docker with the simplest container ever.
2/ Run a Web Server

docker run -d -p 8080:80 nginx

Fire up a web server on port 8080 from the official NGINX image.
Read 18 tweets

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