Learn cloud security architecture: core components, design principles, diagrams and the security reference model, explained simply by 3.0 University experts.
A beginner-friendly guide to cloud security fundamentals: top challenges, essential tools, policies, standards, controls and monitoring, from 3.0 University.
Understand the Linux shell and run your first scripts: execute .sh and bash files, make scripts executable, edit with vi/vim and nano, and run Python files.
Learn Linux networking essentials: check and configure IP addresses, test open ports, free busy ports, manage the firewall and use netcat with safe examples.
Daily Linux admin commands: check memory, CPU, disk and OS version, manage users and groups, find PIDs, set cron jobs, mount drives and reboot servers.
earn how to install software on Linux using apt, .deb files, Java, Python, pip, Docker, Node.js, Git, MySQL, PostgreSQL and virtualenv with exact commands.
Explore ISRO free online courses with certificate for 2026. Learn about eligibility, registration, course categories, duration, and how to earn an official cert
Learn how to zip, unzip, tar and untar files in Linux with working examples of zip -r, unzip, tar -czvf, tar -xzvf, gz and tgz commands for beginners.
Master Linux file permissions: read the rwx notation, change permissions with chmod, change ownership with chown, and avoid the chmod 777 mistake.
Manage files and directories in Linux: mkdir, rm -r, cp, mv, ln -s symlinks, find and diff with safe, copy-paste examples for every common task.
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