What you'll learn:
Learn about the significance of the procfs (/proc) interface on Linux
Learn how to gather process information via procfs
Learn how to monitor / track memory, CPU and I/O usage of a process via procfs
Learn how to check if a process is CPU-bound or I/O bound
Learn how to gather major fault / minor fault statistics, process priority, last CPU executing the process and scheduler statistics
Learn how to get details of files open by the process, shared libraries mapped into process memory, and process memory map
Learn about OOM score of a process and how to adjust them for specific use-case requirements
Learn how to gather CGroup and Namespace details of a process
Learn how to gather kernel stack info for a process, process physical memory mapping and thread information
Learn how to build custom scripts / tools for monitor processes
Requirements:
Basic knowledge of Linux command-line that includes the shell, basic linux command for managing files and processes
Knowledge of OS concepts and the Linux architecture covered in my course "Introduction to Linux Kernel Development" is preferred
A working Linux environment with command-line interface using the bash shell or equivalent with administrative access ('root' user / sudo access)
Description:
Linux Process Monitoring and Diagnostics using the /proc Interface is a comprehensive course designed for system administrators, developers, and anyone looking to gain a deeper understanding of Linux process management. This course focuses on the /proc filesystem (procfs), an essential interface for monitoring, diagnosing, and analyzing Linux processes and system performance.Throughout the course, you'll learn how to explore and utilize procfs to gather critical process-specific information, including CPU and memory usage, file descriptors, I/O statistics, and thread details. We'll also cover system-wide statistics like CPU load, memory allocation, disk I/O, and network performance, all accessible via the /proc interface.Beyond monitoring, you'll dive into advanced topics like resource limits, scheduler statistics, and how to troubleshoot stuck processes using procfs. Real-time monitoring tools like top, slabtop, htop, ps, lsof, fuser, and many more command-line tools will be integrated into your workflow to give you hands-on experience with dynamic system diagnostics.By the end of the course, you'll have the skills to write custom scripts for process monitoring and diagnostics, automate system monitoring tasks, and interpret complex process data. Whether you're managing servers, debugging applications, or optimizing system performance, this course equips you with essential tools and knowledge for mastering Linux process internals.
Who this course is for:
Linux System Administrators, DevOps engineers, Developers, Security Analysts and Systems Engineers
Linux Enthusiasts and Beginners inclined towards learning Linux features in-depth

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