🚀 Day 21 of #90DaysOfDevOps I created a detailed Shell Scripting Cheat Sheet covering core Bash concepts. Topics included: • Variables & Arguments • Conditionals & Loops • Functions • grep, awk, sed • Log Analysis • Error Handling • Production-friendly Bash practices

Day 20/90 ✅ Built a Log Analyzer & Report Generator using Bash. Features: 🔹 Input validation 🔹 Error & failure detection 🔹 Critical event tracking 🔹 Top 5 recurring error analysis 🔹 Automated report generation 🔹 Log archiving #90DaysOfDevOps #DevOps #Linux #Bash #Automatio

Built a small Linux automation project today using Bash and Cron. ✅ Log rotation with gzip ✅ Automated server backups with tar ✅ Cleanup of old files using find ✅ Scheduled tasks with cron ✅ Maintenance logging & error handling #Linux #Bash #DevOps #Automation #SysAdmin

Learning Bash scripting has been a reminder that automation is more than running commands. ✔️ Loops & command-line arguments ✔️ File validation & checks ✔️ Automated package installation ✔️ Error handling with safer script #DevOps #Linux #Bash #ShellScripting #Automation #AWS

Day 10 of #90DaysOfDevOps 🚀 #Devops #AWS Learned Linux File Permissions & File Operations today. ✅ touch, cat, vim ✅ head & tail ✅ chmod permissions ✅ 755 & 640 explained ✅ Executable shell scripts ✅ Permission denied troubleshooting Linux permissions are core to system

Day 09 of #90DaysOfDevOps 🚀 Practiced Linux User & Group Management today: ✅ Created users & groups ✅ Assigned multiple group permissions ✅ Managed shared directories ✅ Tested access using sudo -u ✅ Learned chmod 775 & chgrp deeply #DevOpsKaJosh #Linux #DevOps

🚀 Day 08/90 of #90DaysOfDevOps Deployed my first live cloud web server today ✅ SSH remote access ✅ Docker & Nginx setup ✅ Security Group configuration ✅ Nginx log monitoring Solved: Permission denied (publickey) 🔐 #TrainWithShubham #AWS #Linux #Nginx #Docker

Day 06/90 of #90DaysOfDevOps 🚀 Practiced Linux file operations today: touch cat head tail tee and >> Learning how Linux handles text files is essential for logs, configs, and automation in DevOps 🐧💻#Linux #DevOps #LearningInPublic #90DaysOfDevOps

🚨 Day 05/90 — Linux Troubleshooting Drill 🐳 Practiced a real-world Docker troubleshooting workflow today using: ✅ ps -o pid,pcpu,pmem,comm -p <PID> ✅ dstat ✅ ss -tulpn ✅ journalctl -u docker -n 50 #90DaysOfDevOps #DevOpsKaJosh #TrainWithShubham #Linux #Docker #DevOps

Day 04/90 of #90DaysOfDevOps 🚀 Practiced: ✅ Process monitoring ✅ Service management ✅ Linux log troubleshooting Commands used: ps, top, systemctl, journalctl, tail Inspected SSH service and learned basic troubleshooting workflow 🔍 #DevOps #Linux #DevOps #AWS #cloud

🚀 Day 3 of #90DaysOfDevOps completed! Built a practical Linux Commands Cheat Sheet focused on real-world troubleshooting ⚡ 🔹 top / htop 🔹 vmstat / iostat 🔹 ps / kill / pkill 🔹 netstat / ss 🔹 journalctl / systemctl #Linux #DevOps #SRE #CloudComputing #LearningInPublic

🚀 Day 2 of #90DaysOfDevOps completed! Today I focused on understanding how Linux works! ✅ Linux Architecture ✅ Kernel & User Space ✅ systemd and services ✅ Shell & CLI ✅ System Calls ✅ Process Management #Linux #DevOps #SystemAdministration #LearningInPublic

🚀 Starting my #90DaysOfDevOps journey! For the next 90 days, I’ll be learning and building hands-on with: 🐧 Linux ☁️ Cloud 🐳 Docker ⚙️ Kubernetes 🔁 CI/CD 🛠️ Automation Learning in public and growing one step at a time. 💻 #DevOps #CloudComputing #Linux #AWS