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+What is your understanding of DevOps and Cloud Engineering?
+- DevOps is a process that handles operations of an already built application or software and scales it by the time according to the load on it with the combination of different tools. DevOps is a mindset to keep an application running at its best.
+Why are you starting to learn DevOps & Cloud?
+- Wants to grab a good package to provide a better life for my family.
+Where do you want to reach?
+- I see my career as a step toward achievements, with every step I will make sure I have a great amount of knowledge on the foundation I am standing on.
+How will you stay consistent every single day?
+- By remembering the reason why I started this journey and what it will cost if I fail.
diff --git a/2026/day-02/linux-architecture-notes.md b/2026/day-02/linux-architecture-notes.md
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+Linux Fundamentals
+
+Linux - It is an open source operating system publicly available on internet for free to use. It is high security multi user OS.
+It has multiple flavours or distribution systems 
+  - Ubuntu (Local/ Practice)
+  - CentOs
+  - RedHat Enterprise Linux (Prod)
+  - Amazon Linux (AWS)
+Linux
+  - Application 
+    - Shell (Grafical Unit Interfase - Provide and interface so humans can interact with Kernel)
+      - Kernel ( Code is Writen of the linux) 
+- Docker -
+  - docker ps
+  - docker ps -a
+  - docker run -it ubuntu
+  - docker start (container id)
+  - docker exec -it (container id) bash
+
+Linux
+ - ls (list file)
+ - ls -l (list files with details)
+ - watch ls -l (it will continew refresh every 2 sec and show if any file is creating or not)
+ - ls -a (list all files with hidden files )
+ - ls -al (list all files with hidden files with description of properties)
+ - mkdir devops/demo
+ - mkdir -p devops/demo (this will not give error if already present)
+ - pwd ( locate directory)
+ - cd / (change root directory)
+ - cd ~ (directory main)
+ - df -h (show used space)
+ - free -h (show free space)
+ - du -sh (list files with size)
+ -
+ - echo “message” (print message)
+ - top (show cpu memory utilization)
+ - htop
+ - mkdir (file name)
+ - touch text.txt
+ - cat (file name)
+ - vim (file name)(esc+!wq for save)
+ - head (file name) -n 3 (show first 3 line) (-n show n line and -c show n character)
+ - tail (file name) -n 1 (show last 1 line)
+ - hostname (show hostname)
+ - hostname -V (show hostname version)
+ - chmod (changes permission)
+ - chown (changes owner)
+ - chgrp (change group)
+ - whoami (user)
+ - which bash
+ - which sh
+ - printenv
+ - sed -i ’s/old word/new word/g’ file_name.txt (find and replace word )
+ - sudo lslocks (show running processes)
+ - sudo kill -9 process_id
+ - sudo apt-get install docker.io -y
+ - grep -i text file_name
+ - grep -ir text directory_path
+ - find -name file_name
+ - apt update
+ - apt list —upgradable
+ - apt upgrade
+ - apt install htop
+ -