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A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. In this hands-on course, you will master the critical techniques needed to secure a Linux system. The course covers essential areas such as monitoring and auditing security, data encryption, securing services, and network security. You’ll gain practical skills to secure user access, manage logs, configure firewalls, and test security configurations, all while focusing on real-world applications. The course begins with an overview of Linux security techniques, covering log management and user password auditing. You'll learn how to secure the filesystem and monitor SUID and SGID bits. Following this, you will explore data security techniques, such as using LUKS for disk encryption and GPG for data-at-rest protection. You'll then delve into securing services, including SELinux, chroot jails, and LXC containers, followed by network security, where you’ll learn to manage firewalls using iptables and firewalld. Finally, you’ll apply security testing tools to verify the configurations and encryption. By the end of this course, you will be able to configure and manage Linux security features to protect systems and networks against potential threats. This course is ideal for Linux administrators, security professionals, and anyone looking to strengthen the security of their Linux systems. A basic understanding of Linux system administration is recommended, but there are no strict prerequisites. Whether you're managing small servers or large enterprise environments, this course will provide the necessary skills to secure your Linux systems effectively.