Vishesh Kumar is a seasoned Linux professional and technical writer with over 20 years of extensive experience in Linux, system administration, networking, cyber security and cloud technologies. His journey commenced in 2002 with Red Hat Linux 3, and since then, he has been actively involved in professional work across multiple Linux, Unix, and Cloud platforms. Additionally, Vishesh holds multiple certifications in Red Hat Enterprise Linux and IT Security. As the founder of “Linux Mantra IT Services,” Vishesh leads a global team providing comprehensive Linux and Cloud-based services and solutions. Over the years, he has collaborated with numerous national and international organizations, including Yatra Ltd, Infoedge Ltd, Fortum, Ebix, Capgemini, Gilpin Travels, Radius Synergies, and many others, offering consultancy and services.

Geetanjali Mehra, with over 17 years of experience in IT industry has played a key role in various organizations to manage various databases on multiple flavours of Linux. She has automated various server and database administration related routine tasks via the use of bash scripts. Her commitment to learn new technology and innovative problem-solving approach make her a valuable asset in the field. Geetanjali’s dedication to sharing her knowledge is evident in her book.