{"id":29508,"date":"2025-06-04T09:37:02","date_gmt":"2025-06-04T13:37:02","guid":{"rendered":"https:\/\/www.lpi.org\/articles\/\/"},"modified":"2025-06-12T11:48:47","modified_gmt":"2025-06-12T15:48:47","slug":"from-curiosity-to-automation-diegos-linux-journey","status":"publish","type":"post","link":"https:\/\/www.lpi.org\/fr\/blog\/2025\/06\/04\/from-curiosity-to-automation-diegos-linux-journey\/","title":{"rendered":"From Curiosity to Automation: Diego\u2019s Linux Journey"},"content":{"rendered":"

For many professionals, Linux is more than just an operating system\u2014it\u2019s a mindset, a toolset, and a gateway to career transformation. Diego\u2019s story is a testament to how open source can empower individuals, foster problem-solving, and open doors to new opportunities.<\/em><\/p>\n

Learning Knows No Deadline<\/h2>\n

I wasn\u2019t always a Linux expert. My introduction to Linux came during my university years as a Telecommunications and Networking Engineering student. At the time, it was just another tool\u2014interesting, sure, but nothing that stood out as a defining part of my future career. That perspective changed when I entered the IT industry in 2011.<\/p>\n

It quickly became clear that Linux wasn\u2019t just another operating system. It was everywhere\u2014powering servers, securing networks, and automating complex workflows. The efficiency, flexibility, and power of open source technology became impossible to ignore. But for years, I only scratched the surface.<\/p>\n

Turning a Crisis Into an Opportunity<\/h2>\n

The COVID-19 pandemic became the unexpected catalyst that pushed me to take Linux seriously. With extra time on my hands, I made a commitment: learn Linux properly, no more half measures. Linux Professional Institute (LPI) became my guide, offering a structured certification path that helped me solidify my knowledge, from the fundamentals to more advanced concepts.<\/p>\n

I built a home lab, devoured books, explored online resources, and\u2014most importantly\u2014got my hands dirty with real-world practice. The deeper I went, the more fascinated I became. Linux<\/a> wasn\u2019t just an operating system; it was a force multiplier\u2014a way to automate tasks, optimize workflows, and solve problems faster than ever before.<\/p>\n

Automating Work, Transforming Careers<\/h2>\n

The turning point came when I joined a cybersecurity<\/a> company during the pandemic. Suddenly, I had the perfect opportunity to put my Linux knowledge to the test. I noticed that many routine tasks were repetitive and time-consuming, so I turned to Linux automation<\/em>.<\/p>\n

One of my biggest wins was streamlining firewall management. The firewalls I worked with had APIs compatible with shell scripting, so I automated almost 90% of my daily tasks. Some processes that previously took 36 seconds per execution were reduced to 0.41 seconds<\/em>\u2014a staggering 87.8x speedup!<\/p>\n

But that wasn\u2019t all. I also developed a custom scheduling feature for firewall changes using Linux\u2019s cron<\/em> functionality\u2014scheduling wasn\u2019t available natively in the vendor\u2019s software. This automation allowed teams to schedule submitted changes asynchronously, reducing errors and improving efficiency.<\/p>\n

Beyond automation, Linux proved invaluable for troubleshooting. Many enterprise security solutions run on Linux in the background, and my deep understanding of the system helped me diagnose and resolve issues faster\u2014an essential skill in high-pressure environments where every second counts.<\/p>\n

Scaling Up: Linux in Finance<\/h2>\n

Today, I work at JPMorgan Chase, one of the world\u2019s leading financial institutions, supporting operations in Brazil. In my role, Linux remains front and center. I focus on:<\/p>\n