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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
Mar 8
Docker Interview Guide!

A thread with 20+ mid-level to advanced Docker interview questions and answers 🐳 Image
1/ What is a Docker Compose, and why is it useful? 🚢

A. Docker Compose is a tool for defining and running multi-container Docker applications. It's useful for managing complex applications with multiple services, enabling easy orchestration. #Docker #Interview
2/ What is Docker Swarm, & how does it differ from Kubernetes? 🐝

A. Docker Swarm is Docker's native orchestration tool for managing clusters of Docker hosts. Kubernetes is a more robust orchestration system that can manage containers from different providers. #Docker #Interview
Read 31 tweets
Rakesh Jain Profile picture
Mar 6
Kubernetes Interview Guide!

A thread with 20+ mid-level to advanced Kubernetes interview questions with concise answers 🚢📷 📷👇 Image
1/ 🚀 Q: What is Kubernetes and why is it essential for container orchestration?

A: Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications, ensuring high availability and reliability.
2/ 🛠️ Q: Name the key components of a Kubernetes cluster.

A: A Kubernetes cluster consists of the Master (API Server, Controller Manager, Scheduler, etcd) and Nodes (where containers run). #Kubernetes #Interview
Read 32 tweets
Rakesh Jain Profile picture
Jan 3
🧵 How to Start Learning Linux for DevOps Aspirants 🚀🐧

From newbie to pro in no time!
Let’s make Linux your ultimate superpower. 🦸‍♂️🦸‍♀️ Image
1/ Start with the Basics 🛠️✨
• Discover Linux distros: Ubuntu 🟣, CentOS 🔵, Red Hat 🔴.
• Set up Linux in a VM (VirtualBox/VMware 💻).
• Get cozy with the terminal – your new BFF! 🖥️👊
2/ Master Essential Commands 🎯
Get hands-on with:
• 📂 Navigation: ls, cd, pwd
• 🛠️ File ops: cp, mv, rm
• 🔎 Search: find, grep, locate
• 🔑 Permissions: chmod, chown

Pro tip: Always consult the man pages (man <command>). 🤓📜
Read 18 tweets
Rakesh Jain Profile picture
Dec 6, 2024
🐧 Linux Networking Commands: 10 Daily-Used Examples (Thread) 🧵 Image
1/ ifconfig (Deprecated: Use ip):
Check & configure network interfaces.

ifconfig eth0 up # Enable interface
ifconfig eth0 down # Disable interface

Use ip instead:
ip addr show eth0
ip link set eth0 up

#LinuxNetworking #SysAdmin
2/ ip (Modern Network Management):
Powerful alternative to ifconfig.

ip a # Show IP addresses
ip route # Display routing table
ip link set eth0 up # Enable interface
Read 13 tweets
Rakesh Jain Profile picture
Nov 21, 2024
Platform Engineer vs. SRE vs. DevOps Engineer!

A Thread 🧵
1/ What’s the difference? 🤔
All these roles focus on improving software delivery and reliability but have different goals. Here’s a quick breakdown:
2/ Platform Engineer 👷
👉 Goal: Make life easier for developers.
• Build tools & platforms (e.g. CI/CD pipelines, Kubernetes)
• Standardize workflows for efficiency
• Create self-service systems so developers can work faster

🛠️ They focus on improving developer productivity.
Read 9 tweets
Rakesh Jain Profile picture
Sep 12, 2024
AWS service limitations to keep in mind!

A List of critical #AWS services and their limitations 👇 Image
1. EC2 – Instance limits by region, instance type restrictions.
2. RDS – Max database storage limits, instance size restrictions.
3. S3 – Max object size is 5TB, bucket policies can limit access.
4. EBS – Volume size max of 64TB, 20,000 IOPS for io1/io2 volumes.
5. IAM – Max 5,000 roles per account, policy size limits.
6. Lambda – Max execution timeout of 15 minutes, memory max 10GB.
7. DynamoDB – Partition throughput limits, item size max of 400KB.
8. CloudFormation – 200 resources limit per stack.
Read 13 tweets

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