Akash Francis’ Post

🐧 Linux Commands Cheat Sheet — A Must-Know for Every Engineer 🚀 Linux is the backbone of modern infrastructure — from servers to cloud and DevOps environments ⚡ Having a strong grip on essential Linux commands is not optional anymore, it’s a core skill 💻 This cheat sheet covers everything you need in daily workflows 👇 🔹 File & directory operations 📂 🔹 Process & system monitoring 📊 🔹 Network troubleshooting 🌐 🔹 User & permission management 👤 🔹 Package & disk management 💾 🔹 Logs, services, and automation (cron jobs) ⚙️ 💡 Why it matters: Efficient command-line skills help you debug faster, automate better, and manage systems with confidence 🔥 Whether you’re working in DevOps, Cloud, or Backend — Linux is always at the core 🚀 #Linux #DevOps #CloudComputing #SystemAdministration #LinuxCommands #AWS #Automation #ShellScripting #ITInfrastructure #TechSkills #ContinuousLearning #Engineering #Networking #OpenSource

🚀 Day 1 of Strengthening My Linux Foundations Today I focused on deepening my understanding of Linux - one of the most critical skills for any Cloud/DevOps Engineer. I covered the fundamentals, starting with accessing remote Linux systems using SSH (via terminal and PuTTY), which is a core skill when working with cloud servers like AWS EC2. From there, I explored the Linux file system structure and gained clarity on how directories like /home, /etc, /var, and /usr are organized and used in real-world environments. I also spent time getting comfortable with the command line: Understanding the Linux prompt and navigation Managing processes and regaining control of the terminal Working with file and directory permissions using ls -l One area I found particularly interesting was learning the difference between absolute vs relative paths and how they impact efficiency when navigating systems. I also practiced: ✔️ Using wildcards for pattern matching ✔️ Creating and managing directories ✔️ Copying files and folders ✔️ Finding files using the find command ✔️ Understanding soft links vs hard links This might seem basic, but these are the exact skills that power everything behind the scenes - from CI/CD pipelines to container orchestration and cloud infrastructure. 💡 Key takeaway: Mastering Linux is not optional in DevOps - it’s foundational. This is just the beginning, and I’m committed to building consistently and sharing the journey. #Linux #DevOps #CloudComputing #AWS #LearningInPublic #TechJourney #CloudEngineer

🐧 Basic Linux Commands — Building Strong Foundations A solid understanding of Linux commands is fundamental for anyone working in DevOps, Cloud, or System Engineering ⚙️ These core commands enable efficient system navigation, process management, networking, and security control — all critical for managing real-world infrastructure. 🔹 File & Directory Operations 📂 🔹 System Monitoring & Information 📊 🔹 Networking Essentials 🌐 🔹 Permissions & Access Control 🔐 🔹 Process & Service Management ⚙️ 💡 Mastering these fundamentals is the first step toward designing reliable, scalable, and production-ready systems 🚀 #Linux #DevOps #CloudComputing #SystemAdministration #LinuxCommands #Automation #ITInfrastructure #Engineering #TechSkills #LearningEveryday

⚠️ If you skip Linux, you might get stuck. Early in my career, I relied heavily on GUI tools—things worked, but only to a certain point. Then I hit a wall. 👉 I could use systems… ❌ But I didn’t truly understand them And that’s where real growth stops. 💡 Mastering Linux changed everything: From clicking → to controlling From guessing → to understanding From reacting → to troubleshooting confidently From basic tasks → to working with servers, cloud, and automation 🔥 The reality most people don’t talk about: You can choose short-term comfort Or build long-term capability 🚀 Today, the backbone of modern infrastructure is Linux: Servers, Cloud platforms, Kubernetes, DevOps pipelines… Ignoring it means limiting your potential. 📌 My takeaway: Linux isn’t just a tool—it’s a career accelerator. 💭 What’s your experience with Linux? Has it changed the way you work? #Linux #DevOps #CloudComputing #Kubernetes #AWS #Ansible #Docker #ITCareer #CareerGrowth #SysAdmin #OpenSource

Mastering the basics is what builds strong foundations. Linux commands are not just tools—they’re the backbone of every DevOps and Cloud Engineer’s daily work. From managing files to troubleshooting systems, these commands help us work faster, smarter, and more efficiently. Consistency in learning and practice is the key. 🚀 #Linux #DevOps #CloudComputing #Automation #Learning

Most beginners think Linux is about commands. It’s not. It’s about control. Who can access your system. Who can modify files. Who can accidentally destroy everything. Because in real-world DevOps… you’re not managing a machine - you’re managing people on that machine. One wrong permission… and your production server becomes a disaster story. That’s exactly what I covered in my latest video: Master Users & Groups in Linux | Linux for DevOps and Cloud Computing Not just commands. Real-world thinking. How actual teams manage access. How companies prevent mistakes. How you start thinking like a DevOps engineer. If you’re serious about Cloud or DevOps, this is not optional knowledge. This is the foundation. Watch first comment for link #Linux #DevOps #CloudComputing #LinuxTutorial #SystemDesign #DevOpsEngineer #CloudEngineer #TechCareers #LinuxAdmin #ITInfrastructure

🚀 Top 30 Linux Commands Every IT Professional Should Know Today, I explored some of the most powerful and widely used Linux commands that are essential in real-world environments 💻 From file management to process monitoring and networking, mastering these commands can significantly boost your productivity as a developer, cloud engineer, or system administrator. 💡 Why Linux commands matter: ✔ Faster task execution ✔ Better system control ✔ Essential for Cloud & DevOps roles ✔ Widely used in servers & production environments 🔧 Some must-know commands: ls • cd • grep • chmod • top • ssh • scp • df • du • ps • kill • curl • wget … and many more! 🔥 Pro Tip: Don’t just memorize — practice daily on the terminal to truly understand their power. 📈 I’m continuously learning and improving my skills in Linux & Cloud Computing. Let’s grow together! 💬 Which Linux command do you use the most? Comment below 👇 #Linux #CloudComputing #DevOps #AWS #SystemAdministration #TechSkills #LearningJourney #IT #Programming

Linux isn’t just an operating system — it’s the control layer behind modern infrastructure. Working in operations, you learn quickly that when systems fail, abstractions fade. Containers, cloud platforms, and dashboards are useful — but real troubleshooting often leads back to the Linux layer. A few practical realities from the field: When latency spikes, top and htop tell the real story When services fail, logs in /var/log are the first source of truth When tasks repeat, Bash scripting becomes operational leverage When access breaks, permissions are usually the root cause When systems scale, simplicity in tooling matters more than complexity Linux enforces a discipline: understand the system, not just the interface. For anyone in DevOps, SRE, or operations engineering — strong Linux fundamentals are still one of the highest ROI skills you can build. What’s your go-to Linux command during an incident? #Linux #DevOps #SRE #Infrastructure #Cloud #Engineering

Everyone says “Learn Linux for DevOps” — but why does it matter so much? Because Linux is behind almost everything you do in DevOps, whether you notice it or not. Here’s where it really comes into play: 1️⃣ Running Containers and Kubernetes → Docker and Kubernetes rely on Linux features like namespaces and cgroups. → Most container hosts and cluster nodes run on Linux. 2️⃣ Managing Cloud Servers → AWS EC2, Azure, and GCP VMs are mostly Linux-based. → You’ll use Linux for SSH access, updates, monitoring, and troubleshooting. 3️⃣ CI/CD Pipelines → Build agents commonly run on Linux. → Most automation scripts execute in a Linux shell environment. 4️⃣ Infrastructure as Code (IaC) → Tools like Terraform, Ansible, and Pulumi are often used on Linux systems. → Troubleshooting usually means working with Linux commands. 5️⃣ Monitoring and Logs → Checking processes, logs, CPU, and memory happens through Linux commands. → Tools like Prometheus and Grafana typically run as Linux services. 6️⃣ Security and Access → File permissions, user management, and SSH keys are core Linux concepts. → Critical for securing systems and resolving access issues. Focus on the Linux commands you actually use. Don’t just memorize them — understand how they help you solve real problems. → In interviews, no one expects you to remember every command. → They want to see how you troubleshoot and think when something breaks. → Keep practicing — it gets easier step by step. What’s the one Linux command you use almost every day in DevOps? #Linux #DevOps #AWS #Kubernetes #Azure

🖥️ The cloud runs on Linux. Day 4 of the Cloud & DevOps program with Exlearn Technologies was dedicated to mastering the operating system that powers the vast majority of modern enterprise infrastructure. Under the guidance of Prashant Gavate, we transitioned from network fundamentals straight into the core of Linux system administration. As I continue to expand my engineering toolkit, deepening my command-line proficiency is an essential step. Today’s highly technical session focused on: • Command-Line Mastery: Navigating, operating, and troubleshooting the OS entirely via the CLI for maximum operational efficiency. • System Architecture & File Hierarchy: Understanding exactly how Linux structures data, manages configurations, and handles processes under the hood. • Permissions & Security: Enforcing granular user access and securing system files - a foundational element for secure cloud environments. • Resource Management: Monitoring and optimizing system processes to ensure high availability and robust performance. Whether it involves provisioning servers, writing automation scripts, or orchestrating containerized applications, a rigorous understanding of Linux is the absolute bedrock of any successful DevOps strategy. Looking forward to leveraging these administrative capabilities as we advance toward complex automation and infrastructure deployment. #Linux #DevOps #CloudComputing #ExlearnTechnologies #SystemAdministration #CloudEngineering #TechLeadership