5 posts in EC2
From x86_64 to ARM64: What I Discovered at Nife During Our AWS Graviton Investigation
What I discovered while investigating AWS Graviton, ARM64 compatibility, EC2 instance families, Docker multi-platform builds, Buildx, QEMU, and the practical do's and don'ts of moving workloads from x86_64 to ARM64.
Shilpa H K15 min read
How to Open Ports on AWS EC2 with UFW: Secure Firewall Configuration Guide
Secure your AWS EC2 instance with UFW. Learn how to install and configure UFW to open SSH, MySQL, and HTTP ports while protecting your cloud server.
Nida Sahar4 min read
Resolving Permissions Issues with IAM: Knowledge of the iam:CreateRole Error
Understand the causes and solutions for the iam:CreateRole permission error in AWS IAM. Learn how to troubleshoot and fix permission issues.
Nida Sahar6 min read
My EC2 Instance Refuses SSH Connections - A Casual yet Technical Guide
When it comes to administering cloud servers, there's nothing quite like trying to SSH into your EC2 instance and receiving the dreaded Connection rejected message. Prepare to panic! But take a deep breath—we've all been there, and the solution is frequently simpler than it appears. Let's troubleshoot this problem together, keeping it light but technical.
Nida Sahar4 min read
How to Decommission an Old Domain Controller and Set Up a New One on AWS EC2
This guide outlines the step-by-step process for decommissioning an old Domain Controller (DC) and setting up a new one using AWS EC2. It covers the installation of a new DC with Active Directory Domain Services (AD DS), data replication from the old DC, health verification of the new DC, updating DNS settings, and the safe decommissioning of the old DC. Special considerations for networking and DNS propagation are also discussed, ensuring minimal downtime and maintaining the integrity of your Active Directory system.
Nida Sahar5 min read