Linux System Administration

1. Overview of Linux distributions and their applications in various environments.
2. Understanding the role and responsibilities of a Linux system administrator.
3. Navigating the Linux command line interface efficiently.

1. Detailed exploration of the Filesystem Hierarchy Standard (FHS).
   1. Key directories: /boot, /proc, /sys, /var, /usr, /lib, /dev, /etc, /opt, /home, /tmp.
2. Mounting and unmounting filesystems.
3. Managing disk quotas and filesystem integrity checks.

1. Creating, modifying, and deleting user accounts.
2. Managing group memberships and permissions.
3. Implementing password policies and account security measures.
4. Utilizing superuser privileges and the sudo mechanism.

1. Understanding and configuring file and directory permissions.
2. Differentiating between symbolic and numeric permission representations.
3. Implementing special permissions: SUID, SGID, and sticky bits.
4. Troubleshooting common permission-related issues.

1. Partitioning disks using tools like fdisk and gdisk.
2. Creating and managing logical volumes with LVM.
3. Formatting and mounting various filesystem types (ext4, xfs, btrfs).
4. Implementing RAID configurations for redundancy and performance.

1. Monitoring active processes and system resource utilization.
2. Managing system services using systemd and systemctl.
3. Scheduling recurring tasks with cron and at utilities.
4. Handling system boot processes and troubleshooting boot issues.

1. Configuring network interfaces and understanding IP addressing.
2. Managing network services such as SSH, DNS, and DHCP.
3. Implementing firewall rules using iptables and firewalld.
4. Diagnosing and resolving common network connectivity issues.

1. Utilizing package managers: apt for Debian-based and yum/dnf for Red Hat-based systems.
2. Adding and managing third-party repositories.
3. Compiling and installing software from source.
4. Ensuring system security through regular updates and patches.

1. Writing and executing basic Bash scripts.
2. Utilizing variables, conditionals, loops, and functions in scripts.
3. Automating administrative tasks to improve efficiency.
4. Debugging and optimizing shell scripts for performance.

1. Implementing user authentication mechanisms and configuring PAM.
2. Setting up and managing firewalls to control access.
3. Applying security updates and patches promptly.
4. Conducting regular security audits and vulnerability assessments.

1. Diagnosing hardware and software issues using system logs.
2. Managing system performance and identifying bottlenecks.
3. Performing regular backups and restoration procedures.
4. Developing disaster recovery plans and ensuring system resilience.

This course is designed to provide participants with a robust and practical understanding of Linux system administration, leveraging the extensive industry experience of the instructor to deliver content that is both current and immediately applicable in professional settings.