📙 Journal Log: 2026-04-05

🎯 Today's Mission

🛠️ Environment & Setup

⌨️ Commands & Flags Learned

📂 System Changes / Configurations

🛑 The "Terminal Wall" (Errors & Fixes)

💡 Linux "Aha!" Moment

🔗 Related Notes 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. Mastering the Fundamentals: Bridging the gap between physical systems thinking and terminal based automation The Error: bash: ./script.sh: Permission denied The Solution: In the physical world, you need a key for a control panel. In Linux, you need execution rights. I ran chmod +x script.sh and the Permission denied error vanished. I realized that chmod and chown are the digital versions of Safety Protocols in Mechanical Engineering. In a factory, only authorized personnel have the key to the machine; in Linux, permissions ensure only the right process or user can touch the engine of the OS. Next Milestone: Transitioning from Linux Unhatched to Cisco Linux Essentials to earn my formal completion certificate. Python Integration: Exploring how the subprocess module can automate the grep and chmod tasks I practiced today. Templates let you quickly answer FAQs or store snippets for re-use. Hide child comments as well For further actions, you may consider blocking this person and/or reporting abuse