Site Reliability Engineering Certification Guide for DevOps Engineers
Mar 7 · 3 min read · Introduction Modern applications depend heavily on cloud infrastructure, distributed systems, and continuous deployment pipelines. As systems grow more complex, maintaining reliability and performance
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The Blackout Season of the Internet: 2025
Jan 14 · 4 min read · As we settle into early 2026, the global technology community is finally conducting the final post-mortems on a series of disruptions that defined the end of last year. Between October and December 2025, the digital world experienced what many are no...
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Beyond Ingress: Building a "Keyless" Platform with GKE Gateway API
Jan 4 · 8 min read · In Part 1, we provisioned a cost-effective GKE cluster using Spot Instances and Terraform. But right now, it’s just an empty shell. To make this environment actually usable for developers, we need to solve three fundamental problems: Identity: How d...
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My Solution & Approach for: Command-line Murder Mystery
Dec 18, 2025 · 5 min read · Repo: https://github.com/veltman/clmystery git clone https://github.com/veltman/clmystery.git cd clmystery less instructions # based on it, we need to collect all CLUE from crimescene file cd mystery ls # crimescene interviews memberships peopl...
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Sadservers.com Solution for: "Saskatoon": counting IPs.
Dec 17, 2025 · 2 min read · Question details: https://sadservers.com/scenario/saskatoon # inspect logs less /home/admin/access.log # print first word of each line (space is separator) awk '{print $1}' /home/admin/access.log # we need count of all IPs which we'll get with uniq...
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Sadservers.com Solution for: "Saint John": what is writing to this log file?
Dec 16, 2025 · 2 min read · Question details: https://sadservers.com/scenario/saint-john tail -f /var/log/bad.log 2025-12-16 07:57:32.907036 token: 1024729032 2025-12-16 07:57:33.207445 token: 1101765658 2025-12-16 07:57:33.507849 token: 1212085465 2025-12-16 07:57:33.808280 to...
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🧵 Google SRE Interview Questions (2026 and Beyond Guide): What Google Really Tests & How to Prepare
Nov 15, 2025 · 7 min read · If you search for Google SRE interview questions, you’ll mostly find: Outdated blog posts Vague lists of generic DevOps topics Quora threads from 8–10 years ago Question dumps without reasoning Random GitHub repos with no structure None of the...
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Creating a Hybrid Cloud: Integrate AWS and Proxmox Homelab Using Tailscale
Nov 9, 2025 · 5 min read · This guide walks you through setting up a clean, reliable hybrid cloud between AWS and a Proxmox homelab using Tailscale. It covers the end‑to‑end network path, on‑prem provisioning (Proxmox + LXC), routing/NAT, verification, and a comprehensive trou...
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7 Ways Reliability Consulting Helps Businesses Prevent Failures and Protect Profits
Oct 13, 2025 · 6 min read · Unplanned failures slow down production, increase costs, and damage customer trust. Many companies don’t realize how much these failures cost until they begin tracking downtime, scrap, rework, and warranty claims. That is where reliability consulting...
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