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I keep seeing high RAM utilisation on both Oracle Linux and Red Hat Enterprise Linux servers and I want to understand, in depth, what is really happening inside the memory subsystem. More than a quick fix, I need a knowledgeable administrator who can walk me through each layer—kernel, user space, buffers, cache, swap—so I can read the numbers with confidence and spot the true culprits when usage spikes. Here is what I expect from our collaboration: • A live, step-by-step session (or series) where we run commands such as free, top, vmstat, sar and others you recommend, interpret every column, and relate the output to the kernel’s behaviour. • Practical explanations of how Oracle Linux and RHEL may differ in their memory reporting and tuning parameters. • Hands-on diagnosis of at least one production-like log or sample system so I can see the full investigation workflow—from first symptom to root cause. • A concise cheat-sheet or notes set that I can keep for future reference. I already know the basics of Linux administration, but I need your expert guidance specifically on what drives the “high memory utilisation” message, how to separate harmless caching from real pressure, and what tuning levers are safe to use in each distribution. If you enjoy teaching as much as troubleshooting, please tell me briefly about a similar memory issue you solved and the key tools you relied on. I’m ready to start as soon as we agree on a time.
Rif. progetto: 40229935
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8 freelance hanno fatto un'offerta media di ₹1.000 INR/ora

Hello. I would like to help you with secure/block bot traffic/stop ddos attacks and optimization memory/php/apache/mysql issue. I have experience. Please read my feedback. Thank you.
₹1.000 INR in 1 giorno
7,9
7,9

As a seasoned Linux administrator well-versed in Oracle and RHEL, I am uniquely qualified to guide you through the intricacies of memory management. My extensive experience, spanning over eight years, includes mastering not only the basics but also intricate details of complex systems like yours. In fact, I have previously resolved similar memory problems where I successfully delved into the depths of kernel, user space, buffers, cache and swap to identify and solve the issue efficiently. My approach to teaching is simple: hands-on learning paired with comprehensive explanations. We'll run specific commands together, like free, top, vmstat, sar and any others pertinent to your systems; we'll analyze each output column in depth and establish correlations with kernel behavior. Finally, my dedication to knowledge sharing is reflected in the concise cheat sheets and detailed notes that I provide at the end of our mentorship. These materials will serve as an invaluable resource for you even after our collaboration ends. Together we'll build not just a short-term solution but also a comprehensive understanding that empowers you for the long term. Choose me for an enriching learning experience interwoven with effective problem-solving techniques that promises lasting results. Excited to get started!
₹1.000 INR in 40 giorni
3,9
3,9

Hi, thank you for posting this project. I have experience working with Linux systems and administration tasks, and I focus on delivering clean, reliable results. I’m comfortable following clear workflows, documenting builds, and ensuring compatibility across common Linux distributions. I’d be happy to review your detailed requirements and start as soon as possible. Looking forward to working with you.
₹1.000 INR in 40 giorni
0,0
0,0

I hope you’re doing well. I came across your project for and I’m confident I can help you achieve your goals efficiently.
₹1.000 INR in 40 giorni
0,0
0,0

With over a decade of experience as a Linux specialist, I am confident I can provide you with the deep understanding and hands-on guidance you're seeking for Oracle Linux and RHEL memory troubleshooting. I relish in sharing my knowledge and teaching others at the same time, making complex technical concepts more approachable and relatable. I believe this aligns perfectly with your vision for this project. One of the memory issues I successfully resolved involved identifying the impact of harmless caching versus genuine system pressure. To unravel this mystery, I depended on a plethora of tools: free, top, vmstat, sar, among others. The process is all about interpreting their output through the lens of kernel behavior and understanding how the two distributions—Oracle Linux and RHEL—differ in their reporting and tuning. In addition to resolving memory challenges like yours, I have in-depth expertise in AWS, GCP, VMware, Windows and networking-areas that can certainly complement our venture towards perceptive solutions. Let's get started—the sooner we do, the faster we'll get you to a place where you can confidently decode those memory numbers. And don't worry about future recall; you'll have a compact yet comprehensive cheat-sheet or notes set to refer back to indefinitely.
₹1.000 INR in 40 giorni
0,0
0,0

As a Linux administrator well-versed in Oracle and RHEL, I am uniquely qualified to guide you through the intricacies of memory management. My extensive experience, spanning over eight years, includes mastering not only the basics but also intricate details of complex systems like yours. In fact, I have previously resolved similar memory problems where I successfully delved into the depths of kernel, user space, buffers, cache and swap to identify and solve the issue efficiently.
₹1.250 INR in 40 giorni
0,0
0,0

Most admins see “90% RAM used” and panic. Experts read reclaim, cache, pressure, and behaviour. I teach you to see what the kernel sees, not what dashboards scare you with. I do not teach commands, I teach memory behaviour. You will understand page cache vs real pressure, reclaim vs leak, swap vs stall, slab vs anonymous, and why “used memory” is often a lie. My focus is kernel-level thinking, production realism, and zero superstition tuning. First I show a live diagnostic walkthrough on a production-like system. You watch how memory is decoded step by step. No shortcuts, no magic commands, full reasoning. Phase 1 — Memory internals & reading tools deeply Phase 2 — Cache vs pressure vs swap behaviour Phase 3 — Kernel reclaim, slab, dirty/writeback, NUMA Phase 4 — Oracle Linux vs RHEL tuning differences Phase 5 — Real investigation simulation end-to-end Phase 6 — Safe tuning and stability validation Each session is focused, practical, and cumulative. Total time depends on depth you want, typically structured as a short intensive series rather than shallow fast teaching. Hands-on, live output, real reasoning, production mindset. No memorising commands. You learn pattern recognition, kernel thinking, and root-cause discipline. After this, “high memory usage” alerts stop being mysteries. A concise field cheat-sheet: commands, column meanings, pressure signals, investigation flow, and safe tuning levers for Oracle Linux and RHEL. Real admin reference, not classroom notes.
₹1.000 INR in 40 giorni
0,0
0,0

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