@mnmozi

Mostafa Nasr

@mnmoziJoined November 2022

SRE at Nawy | Backend. Love backend engineering and devops practices

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Mostafa Nasr's blogs

Mostafa Nasr's blogmostafanasr.hashnode.dev6 posts

🚀 Making AWS DMS Work with RDS MySQL: What You Really Need to Know

Migrating data using AWS Database Migration Service (DMS) is smooth — once you get past the tricky setup. If you're using RDS MySQL as a source, here's exactly what you need to do to avoid common validation failures like: Error Code [10001]: Binary ...

Apr 9, 2025 · 3 min readmostafanasr.hashnode.dev

Migrating PostgreSQL with AWS DMS and Enabling Ongoing Replication

This guide walks through the steps taken to successfully set up AWS Database Migration Service (DMS) to migrate a PostgreSQL database and keep it in sync using Change Data Capture (CDC). Why Use AWS DMS? AWS DMS allows you to: Migrate existing Post...

Apr 9, 2025 · 4 min readmostafanasr.hashnode.dev

Logical Replication in PostgreSQL Using pglogical (Docker Setup)

This guide demonstrates how to set up logical replication using the open source PostgreSQL extension pglogical, including a working example with two Docker containers. We’ll go through installation, configuration, slot creation, replication flow, and...

Apr 7, 2025 · 6 min readmostafanasr.hashnode.dev

Understanding cidrsubnets Subnet Allocation in Terraform

When working with subnetting, especially using Terraform's cidrsubnets function, understanding how bits are allocated and how subnets interact is crucial. This guide will walk you through the process of calculating subnet sizes, ensuring no overlaps,...

Dec 16, 2024 · 3 min readmostafanasr.hashnode.dev

Jenkins Access AWS With Keyclock

In this blog I will write about how did I used openID to connect jenkins to AWS using keyclock or using OIDCProvider plugin in jenkins. the following diagram will explains how the process happens with keyclock and with jenkins plugin. Jenkins Plugin ...

Feb 28, 2024 · 8 min readmostafanasr.hashnode.dev

Mostafa Nasr

About

Available for

Mostafa Nasr's blogs

🚀 Making AWS DMS Work with RDS MySQL: What You Really Need to Know

Migrating PostgreSQL with AWS DMS and Enabling Ongoing Replication

Logical Replication in PostgreSQL Using pglogical (Docker Setup)

Understanding cidrsubnets Subnet Allocation in Terraform

Jenkins Access AWS With Keyclock

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Mostafa Nasr

About

Available for

Mostafa Nasr's blogs

🚀 Making AWS DMS Work with RDS MySQL: What You Really Need to Know

Migrating PostgreSQL with AWS DMS and Enabling Ongoing Replication

Logical Replication in PostgreSQL Using pglogical (Docker Setup)

Understanding cidrsubnets Subnet Allocation in Terraform

Jenkins Access AWS With Keyclock