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How to Setup Passwordless SSH Login on EC2 Ubuntu 22.04
Every time you SSH into an EC2 instance with a .pem key, you have to pass the -i … Read more
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How to Delete AWS Lambda Logs from CloudWatch Using Python Scripts
Lambda functions create CloudWatch log groups automatically, and they never clean up after themselves. Over time you end … Read more
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Safely Moving Uncommitted Changes to a New Branch in Git
You’re working on something and realize you’re on the wrong branch — maybe you started coding on main … Read more
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How to Build and Deploy Python Libraries for AWS Lambda Layers
Lambda Layers let you package Python libraries once and share them across multiple Lambda functions. Instead of bundling … Read more
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Granting AWS Glue Crawler Access to a Cross-Account S3 Bucket
When your data lives in one AWS account and your Glue Crawler runs in another, you need to … Read more
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Resolving Jenkins SSH Connection Errors for Mac Users
If you’re setting up a Jenkins SSH connection on macOS and getting a “Can’t connect to server” error, … Read more
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How to Copy Files to Amazon EC2 Ubuntu Instance Using Rsync
Rsync is the fastest way to copy files between your local machine and an EC2 instance. Unlike scp, … Read more
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How to Install MongoDB Community Edition on an EC2 Ubuntu 22.04
This guide walks you through how to install MongoDB Community Edition on EC2 Ubuntu 22.04 using MongoDB’s official … Read more
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How to Completely Remove (Purge) MySQL from Ubuntu 22.04
Sometimes you need to completely remove MySQL from Ubuntu — maybe you’re switching to PostgreSQL or MariaDB, fixing … Read more
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Handling IP Address Overlapping in Network Connections
IP address overlapping happens when two or more networks use the same CIDR range. When you try to … Read more