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Terraform Module Layout I Use for Multi-Environment AWS
This post is for teams already running Terraform in AWS who have felt the pain of three “similar but not quite the same” environment folders. It is not a Terraform 101 tutorial, and it assumes you know what a module, variable, and remote state backend are.
Read MoreGitHub Actions to ECR to ECS: a Deployment Checklist
This post is for teams already running workloads on Amazon ECS who want a reliable GitHub Actions pipeline without reinventing the wheel each release. It is not a greenfield Kubernetes guide, and it assumes you have a working cluster, service, and task definition—not a blank AWS account.
Read MoreThe Blog Is Back on shameem.in
I used to write about Linux, Drupal, caching, and open-source tooling on LinfoPage.Com and my Blogger site. Those posts are from a different chapter — support engineering, LAMP stacks, Varnish, and early Raspberry Pi days — but they are still useful reference material.
Read MoreBug in Bash Shell Creates Big Security Hole on UNIX/Linux
A security vulnerability in the GNU Bourne Again Shell (Bash) — the command-line shell used in many Linux and Unix operating systems — could leave systems open to exploitation by specially crafted attacks.
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How to Improve the Performance of Drupal Sites
A site is only as fast as its last mile connectivity. If users access a site from a slow connection, even a site capable of responding quickly to requests will appear to be slow. A content management system like Drupal throws in additional challenges to the Web architect in improving performance because, typically, the Apache process takes up more space than a site serving traditional HTML or PHP pages. Read on to take a look at the various external factors that impact performance, and explore ways to mitigate them.
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Cache HTTP Reverse Proxy Using Varnish on Ubuntu with Drupal 7
Varnish Cache is a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 – 1000x, depending on your architecture.
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