How can I copy multiple date-named folders from S3 to a local directory?
I have several folders in an S3 bucket named with dates, such as 2025-12-10/, 2025-12-11/, and 2025-12-12/. I want to automate copying selected folders to a local disk.…
AWS CLI
How can I copy multiple date-named S3 directories to a local disk with AWS CLI?
I have several directories in an S3 bucket named by date, such as 2025-12-10/, 2025-12-11/, and so on. I want to automate copying selected directories to a local…
What’s the quickest way to verify AWS SSO before running a script?
I add a small check near the beginning of shell scripts that I share with my team so they can confirm they're authenticated with AWS SSO before the…
What Should I Expect When Starting as an AWS Infrastructure Engineer?
I'm starting a new infrastructure engineering role where Terraform is the main infrastructure-as-code tool. I have a degree in Cloud and Network Engineering and several relevant certifications, and…
What’s the best replacement for Rain now that it’s deprecated?
Rain has been my favorite way to deploy CloudFormation stacks for the past couple of years, so seeing it deprecated is disappointing. The project is archived, with no…
Starting as an AWS Infrastructure Engineer: How Do Experienced Teams Work?
I'm starting a new infrastructure engineering role focused mainly on Terraform and AWS. I've been doing cloud engineering for several years, but my current team is small, so…
What’s the best way to move 5 TB and millions of files into Amazon S3?
I need to transfer roughly 5 TB containing millions of files from an on-premises environment to an S3 bucket. Both `aws s3 cp` and `aws s3 sync` appear…
How Can I Reduce Claude Credit Usage in the AWS CLI?
My organization gives me a limit of 1,000 credit points per month for using Claude through a command-line workflow. How are those credits calculated, and which factors affect…
Why am I getting 'Unable to locate credentials' in AWS CLI even with a credentials file?
I'm running into a frustrating issue using the AWS CLI: it keeps telling me 'Unable to locate credentials' even though I've placed my credentials file in the current…
How Can I Avoid Mistakes in AWS CLI Account Management?
I've been thinking about how terrifying it can be to accidentally perform actions in the wrong AWS account while using the CLI. I get that I'm definitely not…