The Reliability Whisperer
reliabilitywhisprr.bsky.social
The Reliability Whisperer
@reliabilitywhisprr.bsky.social
1 followers 1 following 29 posts
One stop to crack your next SRE/DevOps interview Subscribe for weekly articles: https://thereliabilitywhisperer.substack.com/
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🚀 System Design Interview Prep for SRE/DevOps/PE Roles
Preparing for SRE/DevOps/PE system design interviews?

reliabilitywhisperer.substack.com/p/system-des...
www.linkedin.com/pulse/ai-lay...

Just days after Cisco’s CEO told CNBC he “doesn’t want to use AI as a reason to cut jobs,” reports point to another 7,000-employee layoff in 2025—framed by the company itself as driven by AI adoption and “industry shifts.”

Read my full report on Cisco's Mass Layoff
I just published a deep dive on system design challenges for production engineers:

reliabilitywhisperer.substack.com/p/production...

These are not just interview questions — they’re the kinds of problems engineers at Google, Meta, Apple, and Microsoft solve every day.
#SRE #Devops #SystemDesign
📢 Reliability Whisperer just launched a Discord! 🚀 Join The Reliability Hub for SRE deep dives, daily questions, and interview prep. Let's make systems reliable together!
🔗 discord.gg/NzVpuKej
Join the The Reliability Hub Discord Server!
Powered by Reliability Whisperer, this is the ultimate Discord server for Site Reliability Engineers (SREs) | 2 members
discord.gg
Just published: "How to Create Containers Without Docker" 🧠

Docker is amazing, but do you know how to build a container FROM SCRATCH using just Linux commands?

My new guide walks through:
- Process isolation with namespaces, filestyem and cgroups

#Linux #Containers #DevOps #TechTuesday
How to Create Containers Without Docker: Understanding Linux Namespaces and OverlayFS
Containers have revolutionized how we deploy applications, but many developers use tools like Docker without understanding what's happening under the hood.
reliabilitywhisperer.substack.com
Recently completed #WorldQuant entire interview process for a Trading Systems Engineer role in just 2 WEEKS 🚀

I've documented every question and insight.

Want the inside scoop on this secretive hedge fund's hiring process? #Sre #DevOps #hedgeFunds
reliabilitywhisperer.substack.com/p/042025worl...
[04/2025][WorldQuant] Interview Experience at WorldQuant for Trading System Engineer Role
~ by anonymous
reliabilitywhisperer.substack.com
🚨 INTERVIEW GOLD: ARP Protocol Explained! 🚨
Just published the guide I wish I had before my networking interviews! 🎯
✅ Address Resolution Protocol demystified
✅ Default gateway routing explained
knowledge helped me ace DevOps/SRE interview questions!

Study up and thank me later! 🙌 lnkd.in/egZGxMg3
The Address Resolution Protocol(ARP): How Devices Communicate on Local Networks
Understanding the ARP Protocol: A Comprehensive Guide
reliabilitywhisperer.substack.com
💻 When your Linux process is in deep "uninterruptible sleep" but so is your career! 😴

Ever had a process you couldn't kill with SIGKILL?

reliabilitywhisperer.substack.com/p/understand...

#SRE #DevOpsLife #LinuxTroubleshooting #SiteReliability
I don't understand he is the only executive who is freely allowed to impregnate his top executives without anyone questioning him. WTF
Question for you: How does example.com resolve? follow up question , how does ns1.example.com resolves? Very likely you know if you know Glu records.

Read the article I jot down recently to understand the full picture behind DNS resolution

reliabilitywhisperer.substack.com/p/what-are-g...
ns1.example.com
Understanding the Linux "fortune" Utility and How to Read Its .dat Files in Python

reliabilitywhisperer.substack.com/p/understand...
Learn the differences between Devops, SRE and Platform engineering
reliabilitywhisperer.substack.com/p/the-battle...