Aleksandar Iskrev - A.I.’s Post

𝗜𝗳 𝘆𝗼𝘂 𝘀𝘁𝗶𝗹𝗹 𝗚𝗼𝗼𝗴𝗹𝗲 𝗯𝗮𝘀𝗶𝗰 𝗟𝗶𝗻𝘂𝘅 𝗰𝗼𝗺𝗺𝗮𝗻𝗱𝘀… 𝘆𝗼𝘂’𝗿𝗲 𝗻𝗼𝘁 𝗿𝗲𝗮𝗱𝘆 𝗳𝗼𝗿 𝗿𝗲𝗮𝗹 𝗗𝗲𝘃𝗢𝗽𝘀 𝘆𝗲𝘁. If you're serious about becoming a DevOps Engineer / Cloud Engineer, Linux is not optional — it's your daily tool. And the truth is… Top engineers don’t Google basic commands — they live them Let’s lock in the most important ones 📂 File & Directory Management ls → List directory contents cd → Navigate between directories pwd → Show current directory mkdir → Create directories rm → Remove files/directories cp → Copy files mv → Move/rename files 📌 Example: cd /var/log → Go to logs folder ls -la → View all files (including hidden) 🔐 Permissions & Ownership chmod → Change file permissions chown → Change ownership 📌 Example: chmod 755 script.sh chown ubuntu:ubuntu file.txt 📊 System Monitoring top → Real-time process monitoring df -h → Disk usage free -m → Memory usage 📌 Example: Debug high CPU usage using top 🌐 Networking Basics ping → Check connectivity curl → Call APIs wget → Download files 📌 Example: curl https://api.github.com 📦 Package Management (Bonus) apt, yum, dnf → Install software 📌 Example: sudo apt install nginx Pro Tip (Most Important ): Don’t just read commands… Use them daily in: AWS EC2 Docker containers Linux VMs That’s how you build real confidence Challenge for You: For the next 7 days — ❌ No copy-paste ❌ No blind Googling Try to recall + practice You’ll see massive improvement Final Thought:-- Linux is the language of DevOps The faster you master it, the faster you grow Comment “𝗟𝗜𝗡𝗨𝗫” and I’ll share advanced commands + real DevOps use cases 🔁 Repost to help someone starting their journey #Linux #DevOps #CloudComputing #AWS #LinuxCommands #SysAdmin #DevOpsEngineer #CloudEngineer #TechLearning #100DaysOfCode #OpenSource #ITSkills #Learning #CareerGrowth

𝗜𝗳 𝘆𝗼𝘂 𝘀𝘁𝗶𝗹𝗹 𝗚𝗼𝗼𝗴𝗹𝗲 𝗯𝗮𝘀𝗶𝗰 𝗟𝗶𝗻𝘂𝘅 𝗰𝗼𝗺𝗺𝗮𝗻𝗱𝘀… 𝘆𝗼𝘂’𝗿𝗲 𝗻𝗼𝘁 𝗿𝗲𝗮𝗱𝘆 𝗳𝗼𝗿 𝗿𝗲𝗮𝗹 𝗗𝗲𝘃𝗢𝗽𝘀 𝘆𝗲𝘁. If you're serious about becoming a DevOps Engineer / Cloud Engineer, Linux is not optional — it's your daily tool. And the truth is… Top engineers don’t Google basic commands — they live them Let’s lock in the most important ones 📂 File & Directory Management ls → List directory contents cd → Navigate between directories pwd → Show current directory mkdir → Create directories rm → Remove files/directories cp → Copy files mv → Move/rename files 📌 Example: cd /var/log → Go to logs folder ls -la → View all files (including hidden) 🔐 Permissions & Ownership chmod → Change file permissions chown → Change ownership 📌 Example: chmod 755 script.sh chown ubuntu:ubuntu file.txt 📊 System Monitoring top → Real-time process monitoring df -h → Disk usage free -m → Memory usage 📌 Example: Debug high CPU usage using top 🌐 Networking Basics ping → Check connectivity curl → Call APIs wget → Download files 📌 Example: curl https://api.github.com 📦 Package Management (Bonus) apt, yum, dnf → Install software 📌 Example: sudo apt install nginx Pro Tip (Most Important ): Don’t just read commands… Use them daily in: AWS EC2 Docker containers Linux VMs That’s how you build real confidence Challenge for You: For the next 7 days — ❌ No copy-paste ❌ No blind Googling Try to recall + practice You’ll see massive improvement Final Thought:-- Linux is the language of DevOps The faster you master it, the faster you grow Comment “𝗟𝗜𝗡𝗨𝗫” and I’ll share advanced commands + real DevOps use cases 🔁 Repost to help someone starting their journey #Linux #DevOps #CloudComputing #AWS #LinuxCommands #SysAdmin #DevOpsEngineer #CloudEngineer #TechLearning #100DaysOfCode #OpenSource #ITSkills #Learning #CareerGrowth

𝗜𝗳 𝘆𝗼𝘂 𝘀𝘁𝗶𝗹𝗹 𝗚𝗼𝗼𝗴𝗹𝗲 𝗯𝗮𝘀𝗶𝗰 𝗟𝗶𝗻𝘂𝘅 𝗰𝗼𝗺𝗺𝗮𝗻𝗱𝘀… 𝘆𝗼𝘂’𝗿𝗲 𝗻𝗼𝘁 𝗿𝗲𝗮𝗱𝘆 𝗳𝗼𝗿 𝗿𝗲𝗮𝗹 𝗗𝗲𝘃𝗢𝗽𝘀 𝘆𝗲𝘁. If you're serious about becoming a DevOps Engineer / Cloud Engineer, Linux is not optional — it's your daily tool. And the truth is… Top engineers don’t Google basic commands — they live them Let’s lock in the most important ones 📂 File & Directory Management ls → List directory contents cd → Navigate between directories pwd → Show current directory mkdir → Create directories rm → Remove files/directories cp → Copy files mv → Move/rename files 📌 Example: cd /var/log → Go to logs folder ls -la → View all files (including hidden) 🔐 Permissions & Ownership chmod → Change file permissions chown → Change ownership 📌 Example: chmod 755 script.sh chown ubuntu:ubuntu file.txt 📊 System Monitoring top → Real-time process monitoring df -h → Disk usage free -m → Memory usage 📌 Example: Debug high CPU usage using top 🌐 Networking Basics ping → Check connectivity curl → Call APIs wget → Download files 📌 Example: curl https://api.github.com 📦 Package Management (Bonus) apt, yum, dnf → Install software 📌 Example: sudo apt install nginx Pro Tip (Most Important ): Don’t just read commands… Use them daily in: AWS EC2 Docker containers Linux VMs That’s how you build real confidence Challenge for You: For the next 7 days — ❌ No copy-paste ❌ No blind Googling Try to recall + practice You’ll see massive improvement Final Thought:-- Linux is the language of DevOps The faster you master it, the faster you grow Comment “𝗟𝗜𝗡𝗨𝗫” and I’ll share advanced commands + real DevOps use cases 🔁 Repost to help someone starting their journey #Linux #DevOps #CloudComputing #AWS #LinuxCommands #SysAdmin #DevOpsEngineer #CloudEngineer #TechLearning #100DaysOfCode #OpenSource #ITSkills #Learning #CareerGrowth 

🚀 Hands-On with Git & GitHub on AWS EC2 — From Zero to Push! Just completed an end-to-end Git + GitHub workflow on a live AWS EC2 (Amazon Linux 2023) instance — and here's what I built: ✅ Installed Git 2.50.1 via yum on Amazon Linux 2023 ✅ Initialized a local repository with git init ✅ Created and committed files (index.html, README.md) ✅ Linked the local repo to a remote GitHub repository using git remote add origin ✅ Pushed code to GitHub using git push -u origin master ✅ Verified the live repository with 2 branches, 3 commits, and real-time file tracking 💡 One key learning: When the default branch is main but you push to master, Git throws a refspec mismatch error — I debugged and resolved it using a clean git push with credentials. 🌐 The repository is live on GitHub with proper commit history, branch management, and a README — all set up from a cloud server! This is what real DevOps practice looks like — not just theory, but actual cloud + version control integration. 💻☁️ #Git #GitHub #DevOps #Linux #AWS #EC2 #VersionControl #CloudComputing #OpenToWork #DevOpsEngineer #TechLearning Thanks to Ulhas Narwade (Cloud Messenger☁️📨) This lab demonstrates you didn't just read about Git — you ran it on a live cloud server, hit real errors, and fixed them. That's the difference between a candidate who knows commands and one who can actually work in a production-like environment. The combination of AWS EC2 + Linux + Git + GitHub in one workflow signals hands-on DevOps readiness, which is exactly what companies hiring for cloud or backend roles look for.

🚀 The DevOps Roadmap: From Linux to CI/CD Feeling overwhelmed by the sheer number of tools in the DevOps ecosystem? You aren’t alone. The "DevOps Galaxy" is vast, but it becomes much easier to navigate when you view it as a progression of layers. Whether you are an aspiring engineer or a veteran leader, mastering these 8 pillars is the key to building resilient, scalable systems: 1. Linux Foundations: It all starts with the OS. Terminal proficiency and Bash scripting are non-negotiable. 2. Networking: Understanding how data moves (HTTP/S, SSH, TLS) is the backbone of connectivity. 3. Cloud Services: Knowing your way around AWS, Azure, or GCP is standard operating procedure. 4. Security: Shifting security "left" means focusing on encryption and authentication from day one. 5. Containers & Orchestration: Docker and Kubernetes are the engines of modern application delivery. 6. Infrastructure as Code (IaC): Treat your infra like software. Tools like Terraform and Ansible are game-changers. 7. Observability: You can’t fix what you can’t see. Monitoring and logging turn "guessing" into "knowing." 8. CI/CD: The finish line—automating the path from code to production. The takeaway? Don't try to learn every tool at once. Pick one tool from each layer, master the concept behind it, and the rest will fall into place. Which of these layers are you focusing on mastering in 2026? Let’s discuss in the comments! 👇 #DevOps #CloudComputing #SoftwareEngineering #TechCareer #Kubernetes #AWS #ContinuousLearning #Linux #SiteReliabilityEngineering

The DevOps Roadmap: From Linux to CI/CD Feeling overwhelmed by the sheer number of tools in the DevOps ecosystem? You aren’t alone. The "DevOps Galaxy" is vast, but it becomes much easier to navigate when you view it as a progression of layers. Whether you are an aspiring engineer or a veteran leader, mastering these 8 pillars is the key to building resilient, scalable systems: 1. Linux Foundations: It all starts with the OS. Terminal proficiency and Bash scripting are non-negotiable. 2. Networking: Understanding how data moves (HTTP/S, SSH, TLS) is the backbone of connectivity. 3. Cloud Services: Knowing your way around AWS, Azure, or GCP is standard operating procedure. 4. Security: Shifting security "left" means focusing on encryption and authentication from day one. 5. Containers & Orchestration: Docker and Kubernetes are the engines of modern application delivery. 6. Infrastructure as Code (IaC): Treat your infra like software. Tools like Terraform and Ansible are game-changers. 7. Observability: You can’t fix what you can’t see. Monitoring and logging turn "guessing" into "knowing." 8. CI/CD: The finish line—automating the path from code to production. The takeaway? Don't try to learn every tool at once. Pick one tool from each layer, master the concept behind it, and the rest will fall into place. Which of these layers are you focusing on mastering in 2026? Let’s discuss in the comments! 👇 #DevOps #CloudComputing #SoftwareEngineering #TechCareer #Kubernetes #AWS #ContinuousLearning #Linux #SiteReliabilityEngineering

Want to become a DevOps engineer in 2026? Follow this roadmap: 1️⃣ Linux (Foundation 🐧) ✔ Commands ✔ Networking ✔ System basics 2️⃣ Scripting ✔ Bash ✔ Python 3️⃣ Version Control ✔ Git 4️⃣ CI/CD ✔ Jenkins / GitHub Actions 5️⃣ Containers ✔ Docker 6️⃣ Orchestration ✔ Kubernetes 7️⃣ Cloud ✔ AWS / Azure / GCP 8️⃣ Monitoring ✔ Prometheus / Grafana Simple rule: 👉 Don’t jump steps 👉 Build strong fundamentals Most people fail because they skip Linux. That’s why they struggle later. Strong engineers follow a path. Average engineers chase tools. Which one are you? Save this roadmap for later. Follow for daily DevOps & Cloud content. #DevOps #Linux #CloudComputing #CareerGrowth #Kubernetes

🚀 DevOps Roadmap: From Linux to CI/CD Feeling overwhelmed by the endless tools in the DevOps world? You’re not alone. The ecosystem is huge, but it becomes much simpler when you break it down into layers. Whether you’re just starting out or already experienced, mastering these 8 core pillars is key to building scalable and reliable systems: 1️⃣ Linux Basics – Everything starts here. Strong command-line skills and Bash scripting are essential. 2️⃣ Networking – Know how systems communicate (HTTP/S, SSH, TLS). 3️⃣ Cloud Platforms – Get comfortable with AWS, Azure, or GCP. 4️⃣ Security – Think “shift left”—focus on security from day one. 5️⃣ Containers & Orchestration – Docker and Kubernetes power modern apps. 6️⃣ Infrastructure as Code (IaC) – Manage infra like code using tools like Terraform and Ansible. 7️⃣ Observability – Monitoring and logging help you understand and fix systems faster. 8️⃣ CI/CD – Automate everything from code to production. 💡 Key takeaway: Don’t try to learn everything at once. Focus on one tool per layer, understand the concept deeply, and build step by step. #DevOps #CloudComputing #SoftwareEngineering #TechCareer #Kubernetes #AWS #ContinuousLearning #Linux #SRE #CICD

🚀 DevOps Roadmap: From Linux to CI/CD Feeling overwhelmed by the endless tools in the DevOps world? You’re not alone. The ecosystem is huge, but it becomes much simpler when you break it down into layers. Whether you’re just starting out or already experienced, mastering these 8 core pillars is key to building scalable and reliable systems: 1️⃣ Linux Basics – Everything starts here. Strong command-line skills and Bash scripting are essential. 2️⃣ Networking – Know how systems communicate (HTTP/S, SSH, TLS). 3️⃣ Cloud Platforms – Get comfortable with AWS, Azure, or GCP. 4️⃣ Security – Think “shift left”—focus on security from day one. 5️⃣ Containers & Orchestration – Docker and Kubernetes power modern apps. 6️⃣ Infrastructure as Code (IaC) – Manage infra like code using tools like Terraform and Ansible. 7️⃣ Observability – Monitoring and logging help you understand and fix systems faster. 8️⃣ CI/CD – Automate everything from code to production. 💡 Key takeaway: Don’t try to learn everything at once. Focus on one tool per layer, understand the concept deeply, and build step by step. #DevOps #CloudComputing #SoftwareEngineering #TechCareer #Kubernetes #AWS #ContinuousLearning #Linux #SRE #CICD

🚀 Linux Commands Every DevOps Engineer Uses Daily (Save This 🔖) If you're working in DevOps, these commands are your daily toolkit 👇 📁 FILE & DIRECTORY pwd – current dir ls -la – list all files cd /dir – navigate mkdir dir – create folder rm -r dir – delete folder 📄 FILE VIEWING cat file – view file less file – large file view tail -f file – live logs 🔥 🔍 SEARCH find / -name file.txt grep "text" file which cmd ⚙️ PERMISSIONS chmod +x script.sh chmod 755 file chown user file 📦 PACKAGE MGMT apt install pkg (Ubuntu) yum install pkg (RHEL) 📊 PROCESS ps aux – list processes top / htop – monitor kill -9 pid – force kill 🌐 NETWORK ip a – IP address curl url – API test 🔥 ss -tulnp – open ports 💾 DISK df -h – disk usage du -sh * – folder size 🧪 SYSTEM uname -a uptime whoami 📜 LOGS (MOST IMPORTANT) tail -f /var/log/syslog journalctl -u service 🔄 SERVICES systemctl status nginx systemctl restart service 📦 ARCHIVE tar -czvf file.tar.gz dir tar -xzvf file.tar.gz 👑 USERS sudo command adduser user 📁 IMPORTANT DIRECTORIES / – root /etc – config /var – logs /home – users /tmp – temp ⚡ PRO TIPS ✔ Ctrl + R → search commands ✔ Tab → autocomplete ✔ Always check logs first ❌ Never run rm -rf / 💡 Want more? Follow for DevOps, Linux & Cloud content I’ll be posting daily practical guides. #DevOps #Linux #Cloud #SRE #AWS #Kubernetes #100DaysOfDevOps