Essential Linux Memory and Process Management Tools Explained

Published: 23 January 2025
on channel: Red Hat Enterprise Linux

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Nate and Scott dive into essential tools for managing memory usage and processes on Linux systems. They demonstrate the use of commands like `free,` `VMstat,` `ps,` and `top,` explaining how each provides critical insights into system performance. Whether monitoring memory, assessing CPU load, or managing processes, these tools can help you maintain optimal system health. Perfect for system administrators looking to deepen their troubleshooting skills.

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Tuned Interactive self-paced lab:
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Excellent article on how to set swappiness with maths to determine pagecache or anon page memory preference (by Chris Down from Meta):
https://chrisdown.name/2018/01/02/in-...

Commands used: free, vmstat, ps, top, swapon, pmap

00:00 Memory Troubleshooting
00:18 Using the Free Command
01:36 Exploring VMstat for Memory Insights
05:01 Understanding Process Management with PS
06:55 Real-Time Monitoring with Top
11:05 Analyzing Swap Usage

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