Hussein Nasser Courses

Traefik Crash Course - Without Docker

Comprehensive guide to Traefik as a reverse proxy and load balancer, covering architecture, configuration, HTTP/TCP proxying, load balancing, security features, and HTTPS implementation.

• YouTube
• 57 minutes
• On-Demand
• Free Video

Apache Kafka Crash Course

Comprehensive introduction to Apache Kafka, covering core concepts, architecture, and hands-on implementation. Includes practical examples, coding demonstrations, and discussion of pros and cons.

• YouTube
• 1 hour 18 minutes
• On-Demand
• Free Video

Your DNS Queries Will Eventually Look Like This - DNS Encoding

Explore DNS cache poisoning prevention through 0x20 encoding, a technique that randomizes letter casing in DNS queries to enhance security and resist attacks.

• YouTube
• 26 minutes
• On-Demand
• Free Video

Postgres System Columns Explained - CTID, XMIN, XMAX

Explore Postgres system columns ctid, xmin, and xmax, understanding their roles in transaction management and data versioning across different isolation levels.

• YouTube
• 26 minutes
• On-Demand
• Free Video

All Postgres Locks Explained - A Deep Dive

Comprehensive exploration of PostgreSQL locks, covering table-level, row-level, and page-level locks, conflict matrices, deadlocks, and advisory locks, with practical examples and in-depth explanations.

• YouTube
• 48 minutes
• On-Demand
• Free Video

The Cloudflare MTLS Vulnerability - A Deep Dive Analysis

Detailed analysis of Cloudflare's mTLS vulnerability, exploring client certificate revocation, session resumption, and the impact on security. Includes technical insights and Cloudflare's mitigation strategies.

• YouTube
• 42 minutes
• On-Demand
• Free Video

How Bad Is a Leaked GitHub SSH Key?

Explore the implications of GitHub's leaked SSH key, understand SSH vs TLS authentication, and learn how to protect yourself from potential security risks.

• YouTube
• 22 minutes
• On-Demand
• Free Video

How Discord Stores Trillions of Messages - Deep Dive

Explore Discord's journey from Cassandra to ScyllaDB, optimizing database performance for trillions of messages. Learn about distributed systems, data structures, and architectural improvements.

• YouTube
• 1 hour 9 minutes
• On-Demand
• Free Video

How Alt-Svc Switches HTTP/2 Clients to Use HTTP/3

Explore how Alt-Svc enables servers to advertise alternative services, facilitating the switch from HTTP/2 to HTTP/3. Learn about headers, frames, and DNS records in this protocol transition.

• YouTube
• 23 minutes
• On-Demand
• Free Video

Consistent Hashing - The Backend Engineering Show

Explore consistent hashing in distributed systems, focusing on its application in databases like Cassandra and DynamoDB. Learn about implementation, advantages, and limitations.

• YouTube
• 24 minutes
• On-Demand
• Free Video

The Beauty of the Internet Protocol

Explore the elegance of the Internet Protocol, its role in routing, addressing, and enabling VPNs. Learn about IP addresses, network routing, and the protocol's impact on modern communication.

• YouTube
• 26 minutes
• On-Demand
• Free Video

Understanding Aggregate Functions Performance - The Backend Engineering Show

Explore aggregate function performance in databases, focusing on COUNT, AVG, and MAX. Learn about clustering, sequential and random writes, and optimization strategies for improved query efficiency.

• YouTube
• 23 minutes
• On-Demand
• Free Video

The Journey of an HTTP Request to the Backend - Backend Engineering Show

Explore the journey of an HTTP request, from DNS lookup to backend servers. Learn about TCP, API gateways, reverse proxies, and load balancers in this comprehensive backend engineering overview.

• YouTube
• 37 minutes
• On-Demand
• Free Video

On Graph Databases - The Backend Engineering Show

Explore database constraints, indexing, storage engines, and graph databases. Understand how different database types address various use cases and optimize performance.

• YouTube
• 22 minutes
• On-Demand
• Free Video

The Anatomy of a Proxy Server - The Backend Engineering Show

Explore proxy server anatomy, covering connection establishment without proxies, with HTTP proxies, and HTTPS proxies in tunnel and TLS termination modes.

• YouTube
• 23 minutes
• On-Demand
• Free Video