aws ec2 Archives - Alexander Wei, B.A. M.S.

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Django Admin 401: Returning Proper Unauthorized Responses for Fail2ban

Django Admin 401 Responses: Securing Django on EC2

November 24, 2025 No Comments

Learn how to modify Django Admin to return Django Admin 401 responses on failed login attempts, enabling precise Fail2ban detection and stronger EC2 security.

a computer chip with the letter a on top of it

Python

What Actually Happens When LangChain Runs In a Celery Task

Vector search using Celery and LangChain where OpenAI embedding clients live inside Celery workers. Startup signals and lazy resource loading.

December 5, 2025 No Comments

Text similarity search results for "canned tomato" uses OpenAI embeddings

Python

Vector Search with pgvector and Django – Celery: Scalable Django

A look at adding vector search to a Django service with pgVector and OpenAI embeddings, how Celery keeps embedding workloads scalable.

December 5, 2025 No Comments

Alexander Wei, B.A. M.S.

Mathematics and Applied Mathematics

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aws ec2

Keep reading:

Django Admin 401 Responses: Securing Django on EC2

You may also like:

What Actually Happens When LangChain Runs In a Celery Task

Vector Search with pgvector and Django – Celery: Scalable Django

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