50 Essential Linux Commands for DevOps Engineers

DevOps Concept of the Day: Linux Basics for DevOps Linux runs 90%+ of cloud infrastructure. Key DevOps Linux skills: file navigation, process management, permissions, package management, and shell scripting for automation. Today's DevOps/MLOps update (MLflow): v3.11.1 MLflow 3.11.1 includes several major features and improvements. Major New Features : 🔍 Automatic Issue Identification :… https://lnkd.in/dnUE9KQT Why it matters: Experiment tracking is what separates reproducible ML from notebook chaos. #Linux #DevOps #Bash #CloudComputing

📂 Linux File System Basics – Learning Journey Update Today I strengthened my understanding of the Linux File System and the difference between Absolute Path and Relative Path — an essential foundation for anyone working in DevOps, Cloud, or SRE roles. 🔹 Key concepts covered: Structure of the Linux file system (/, /home, /etc, /var, /usr, etc.) Navigation using Linux commands like pwd, cd, and ls Difference between Absolute Path (starts from root /) Difference between Relative Path (based on current working directory) Practical examples of directory navigation in real scenarios Understanding file system navigation is very important while working with servers, automation scripts, containers, and cloud environments. Continuing to strengthen fundamentals step by step 🚀 #Linux #DevOps #SRE #CloudComputing #Automation #LearningJourney #Infrastructure #TechSkills

🚀Linux for DevOps - Must-Know Basics Linux is the backbone of DevOps. Every DevOps engineer should be comfortable with these core areas: 🔹File Management - Is, cp, mv, rm 🔹Permissions - chmod, chown 🔸Process Management - ps, top, kill 🔹Networking - ping, netstat, ss, curl 🔸Package Management - yum, apt 🔹Disk & Memory - df, du, free 🔸Logs Monitoring - tail -f, less, grep Strong Linux fundamentals = Strong DevOps foundation #DevOps #Linux #SysAdmin #Cloud #AWS #ITSkills #LearningJourney #Automation #Linux #DevOpsEngineer

🚀 The importance of Linux in the DevOps world If there’s a silent pillar supporting the DevOps ecosystem, that pillar is Linux. Most modern infrastructures — whether in cloud environments, containers, or CI/CD pipelines — run on Linux. And that’s no coincidence. Its stability, flexibility, and open-source nature make Linux the ideal choice for scalable and automated environments. In the DevOps daily routine, Linux is everywhere: 🔹 Servers and cloud environments 🔹 Containers with Docker and orchestration with Kubernetes 🔹 Automation scripts (Bash/Shell) 🔹 Monitoring, networking, and security 💡 But how can you start or improve your Linux skills? Here are some practical tips: 📌 Learn basic terminal commands (cd, ls, grep, chmod, etc.) 📌 Understand permissions and user management 📌 Practice automation with Bash scripting 📌 Spin up a Linux server (VM or cloud) and don’t be afraid to break things 📌 Explore logs (/var/log) and learn troubleshooting 📌 Use it daily — practice is everything 📚 A resource that helped me a lot when I was starting: 📌 https://lnkd.in/d-ZzczGs More than memorizing commands, mastering Linux means understanding how things work under the hood — and that’s what truly elevates a DevOps professional. How about you — are you already comfortable with Linux or just starting your journey? 👇 #DevOps #Linux #Cloud #Automation #Infrastructure #IT #Learning

🚀 Mastering Linux Commands – From Basics to Advanced Today, I strengthened my understanding of essential Linux commands that every DevOps and Cloud engineer should know. 🔹 Basics: Navigating directories, managing files (ls, cd, cp, mv) 🔹 Intermediate: Process handling, permissions, and searching (grep, find, chmod, ps) 🔹 Advanced: Automation and powerful text processing (awk, sed, cron, xargs) Linux is not just an operating system — it’s a powerful skill that builds the foundation for Cloud, DevOps, and System Engineering. Consistency in learning small commands daily leads to big growth over time 💡 #Linux #DevOps #CloudComputing #LearningJourney #SysAdmin #TechSkills

🚀 Mastering Linux Commands – From Basics to Advanced Today, I strengthened my understanding of essential Linux commands that every DevOps and Cloud engineer should know. 🔹 Basics: Navigating directories, managing files (ls, cd, cp, mv) 🔹 Intermediate: Process handling, permissions, and searching (grep, find, chmod, ps) 🔹 Advanced: Automation and powerful text processing (awk, sed, cron, xargs) Linux is not just an operating system — it’s a powerful skill that builds the foundation for Cloud, DevOps, and System Engineering. Consistency in learning small commands daily leads to big growth over time 💡 #Linux #DevOps #CloudComputing #LearningJourney #SysAdmin #TechSkills

Linux Troubleshooting? Start With These 6 Commands When production is down, you don’t need 100 tools… You need the right commands ⚡ Here are 6 Linux commands every DevOps/SRE should know: 🔹 top → Real-time CPU, memory, running processes 🔹 uptime → Load average (is your system overloaded?) 🔹 free -m → Memory usage & swap insights 🔹 iostat → Disk I/O performance (find bottlenecks) 🔹 df -h → Disk space (catch full servers early) 🔹 ps -ef | grep → Find and debug running processes 💡 Why this matters: Most production issues come down to: ✔ CPU saturation ✔ Memory pressure ✔ Disk bottlenecks ✔ Misbehaving processes And these commands give you answers in seconds ⏱️ ⚡ Pro Tip: Before jumping into dashboards or tools → SSH into the server and run these first. ⸻ 🔥 Save this post — it’ll help you during your next incident 💬 Which command do you use the most during troubleshooting? #Linux #DevOps #SRE #Cloud #AWS #Kubernetes #SysAdmin #Troubleshooting #TechTips

DevOps is 10% knowing the tools and 90% knowing how to fix things when they break. I’m currently on Day 2 of my deep dive into Linux troubleshooting for DevOps and Cloud roles. It’s one thing to run a command; it’s another to handle a high-pressure scenario when a production server is at 90% capacity. Today’s focus was on the "Surgical Skills" of a Linux Admin: Storage Triage: Finding and truncating massive logs in /var without breaking active processes. The "Kill" Logic: Understanding when to use a polite SIGTERM vs. the forceful kill -9. Automation: Writing health-check scripts to ensure services like Nginx "self-heal" if they go down. Connectivity: Systematically troubleshooting SSH failures from the security group level down to the .ssh permissions. The "shiny" tools like Kubernetes and Terraform are built on this Linux foundation. Strengthening these basics is the only way to build reliable, world-class infrastructure. One step closer to the goal. Onward! #DevOps #Linux #CloudComputing #TechLearning #CareerGrowth #Automation Abhishek Veeramalla

🚀 Getting Started with VMware – A Quick Guide Virtualization is one of the most important skills in modern IT infrastructure. Learning how to work with **** helps IT professionals build labs, test operating systems, and manage virtual environments efficiently. Here’s a simple workflow to get started with VMware: 🔹 Install VMware Workstation 🔹 Launch the application 🔹 Create a new Virtual Machine 🔹 Install the Operating System (Windows / Linux) 🔹 Configure CPU, RAM, and Disk resources 🔹 Set up networking (NAT, Bridged, Host-Only) 🔹 Manage snapshots, cloning, and backups 🔹 Shut down or export the VM safely Virtual machines allow you to run multiple operating systems on a single computer, making them extremely useful for IT learning, testing environments, and DevOps labs. If you’re building your IT Infrastructure or System Administration skills, mastering VMware is a great step forward. 💻 What virtualization platform do you prefer for your lab environment? #Linux #SysAdmin #RHCSA #Ubuntu #DevOps #OpenSource #ITCareer #Linux #LinuxCommands #LinuxBasics #LinuxTutorial #LinuxAdministration #LinuxForDevelopers #DevOps #CloudComputing #Automation #Infrastructures #Docker #Kubernetes #Containerization #Scalability #AWS #DEVOPS #CLOUDENGINEER #DEVOPSENGINEER #SRE #AZURE #BRK #RK #AIDEVOPS #GCP #KUBERNETES #DEVSECOPS #MLOPS #SOLUTIONARCHITECT #NETWORKENGINEER #PLATFORMENGINEER. #DevOps #AWS #Docker #Kubernetes #Jenkins #Terraform #Ansible #CloudComputing #CICD #DevOpsCommunity #AWSCloud #CloudEngineering #InfrastructureAsCode #Automation #TechCommunity #SoftwareEngineering #CloudArchitecture #DevOpsTools #GitOps #CloudNative #Terraform #Git #Docker #Ansible #Jenkins

**DevOps Zero to Job-Ready – Day 3/180 | Linux Processes** Today’s focus: * What is a process in Linux * Understanding PID (Process ID) * Monitoring using `ps`, `top`, `htop` * Running background processes (`&`) * Killing processes (`kill`, `kill -9`) Why this matters in real DevOps: * Debugging stuck applications * Identifying high CPU/memory usage * Restarting failed services * Handling production issues In real scenarios, most issues start with: “Why is this process consuming so much CPU?” Tomorrow: Text Processing If you're following this series, consistency is key — one concept per day builds strong DevOps fundamentals. #EngiDock #DevOps #Linux #SRE #Monitoring #Cloud #LearningInPublic