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.
Get Started with Red Hat Enterprise Linux: https://developers.redhat.com/register
Try it for yourself: https://redhat.com/interactive-labs
Tuned Interactive self-paced lab:
https://www.redhat.com/en/interactive-labs/optimize-performance-with-tuned-profiles
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-defence-of-swap.html
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
