Aws

ALBs don’t have static IPs. When AWS recycles your old IP and a client’s DNS cache hasn’t caught up, their requests go to someone else’s workload. Here’s what causes it and how to fix it with IPAM.

The CloudWatch Agent setup is five commands. The reasons it silently fails are what nobody writes about — so here’s the gotchas first, setup second.

Lambda’s outbound IPs change every invocation. Here’s the right way to give it a fixed IP using a NAT Gateway, and the common mistakes that will waste your afternoon.

How a single command, aws configure sso, ended my twice-daily ritual of copy-pasting AWS credentials and gave me back ten minutes a day.

The complete guide to AWS cross-account access - including trust relationships and IAM permissions both sides need