Thoughts on building software and startups.
A weekly podcast about cloud native development, AWS, and building distributed systems.
Looking for an accurate list of datacenter IP address ranges? After 3+ years of inactivity, 'ipcat' has been updated to sync with the published public IP ranges of major cloud providers. The list of datacenter IP ranges is available in CSV format, updated automatically on a daily basis, making it ea…
Chris Hickman
When using encryption to protect data for our cloud workloads, we have two primary scenarios to consider. Either the data is being transmitted to another recipient ("in transit"), or the data is stored ("at rest"). The protocols and algorithms used to encrypt the data will depen…
Chris Hickman
Over the past several months, I have been busy helping to create a new podcast, called Mobycast, with my colleagues, Jon Christensen and Rich Staats. This podcast is focused on topics related to modern distributed systems software development, with a focus on containerization, cloud and the CI/CD…
Chris Hickman
I have an application that is written in Python and uses the Boto library for making calls to the AWS S3 API in support of a file upload feature. Since being deployed, the code has handled many, many file uploads flawlessly. However, recently I encounted a bizarre bug where a single file would sim…
Chris Hickman