📙 Journal Log no. 1 Linux Unhatched ; My DevSecOps Journey

I graduated with a B.Eng in Mechanical Engineering in 2018, but my career path has always been driven by the logic of systems. After earning my Google IT Automation with Python Professional Certificate, I realized that the most powerful engines today are built in the cloud. I am now officially on my journey toward DevSecOps. This log marks the first step to my goal. 📙 Journal Log: 2026-04-05 🎯 Today's Mission Mastering the Fundamentals: Bridging the gap between physical systems thinking and terminal based automation 🛠️ Environment & Setup Machine/OS: NDG Virtual Machine (Ubuntu-based) Current Directory: ~/home/sysadmin ⌨️ Commands & Flags Learned Command Flag/Context What it does ls -l Lists files in long format (essential for checking permissions). chmod +x Changes file access levels—the Digital Locksmith. chown user:group Changes file ownership; critical for system security. sudo (Prefix) Executes commands with administrative Root privileges. grep -i Filters output (Case-insensitive