Mastering File Permissions in Linux
Mastering File Permissions in Linux,Understand and manage Linux file permissions with practical security examples.
Linux System Hardening for Admins
Linux System Hardening for Admins,Secure your Linux servers with advanced hardening and protection techniques for admins.
Understanding How DNS Servers and DNS Requests Work: A Complete Guide
Discover how the Domain Name System (DNS) works behind the scenes. This detailed guide explains how DNS servers, resolvers, and queries translate human-friendly domain names into IP addresses — step by step, from browser to root and authoritative servers.
🌐 AWS Networking Deep Dive: How the US-EAST-1 Outage Exposed the Fragility of Cloud Connectivity
Learn how the AWS US-EAST-1 outage exposed weaknesses in cloud networking. Explore DNS, VPC, load balancers, and PrivateLink — and how to build fault-tolerant architectures.
⚙️ Technologies Affected by the AWS US-EAST-1 Outage (October 20, 2025)
Explore every AWS technology impacted by the October 2025 US-EAST-1 outage — from DNS and EC2 to CloudWatch, IAM, and Lambda. Learn how interdependent cloud systems respond to cascading failures.
![✅ [RESOLVED] AWS US-EAST-1 Outage: Full Post-Incident Report and Timeline](/content/images/size/w960/2025/10/dargslan-aws-resolved.png)
✅ [RESOLVED] AWS US-EAST-1 Outage: Full Post-Incident Report and Timeline
AWS confirms full recovery after the US-EAST-1 outage that began with a DynamoDB DNS failure and escalated into EC2 and load balancer impairments. Full timeline, analysis, and engineering lessons inside.
⚙️ AWS US-EAST-1 Outage: Full Technical Breakdown of Impacted Services
The disruption began with a DNS resolution failure, escalated into EC2 internal network issues, and peaked when an internal subsystem monitoring the health of AWS load balancers malfunctioned — causing false health signals and throttled instance launches.
🧠 AWS US-EAST-1 Outage Full Report: From DNS Resolution to EC2 Load Balancer Recovery
A complete technical report on the October 20 AWS US-EAST-1 outage — from DNS failures and network degradation to the final recovery of EC2 and Lambda.
🧠 AWS US-EAST-1 Incident: Load Balancer Health System Recovery and Lambda Impact
AWS continues recovery in US-EAST-1 after a load balancer health subsystem failure caused EC2 and Lambda errors. Engineers validate fixes as recovery progresses.
⚙️ Understanding AWS Load Balancers: The Hidden Backbone of Cloud Reliability
Discover how AWS Load Balancers distribute traffic, ensure reliability, and how a health monitoring subsystem caused a major US-EAST-1 network incident.
⚙️ AWS US-EAST-1 Outage: Full Recovery Underway After EC2 Network Root Cause Identified
AWS confirms the root cause of the US-EAST-1 outage originated within the EC2 internal network, impacting DynamoDB, SQS, and Connect. Read the full recovery timeline and analysis.
🌐 Understanding APIs: The Backbone of Cloud Services and How DNS Failures Can Bring Them Down
Learn how APIs power cloud services like AWS, how DNS failures can disrupt them, and what the October 2025 US-EAST-1 outage teaches about system resilience.