Drive Chrome using Puppeteer
We look into how to screenshot in different devices, take coverage metrics and check loading performance.
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How to use Heartbeat and DRBD for HA (high availability)
We look into high availability using Heartbeat and DRBD. Heartbeat is a software to monitor and failover when a machine is unresponsive and DRBD can help you replicate data between machines making your setup highly available. This solution can help you doing maintenance work without downtime.
Reverse Engineering – The art of understanding
We will reverse engineer some code to figure out how it works and talk about different techniques to understand code.
Autoscaling Kubernetes using RabbitMQ
We look into scaling Kubernetes using a RabbitMQ queue or using horizontal autoscaling. There are guides for autoscaling using CPU, and I found a repository for RabbitMQ scaling. I will do the operations I’ve detailed in the git repository below.
Preserve long running processes when you need to leave for the day.
We look into the tool reptyr and screen to handle long-running processes and shells. Kubernetes at scale managed for you!
How does Diffie-Hellman work?
We look closer at an encryption algorithm used in communication today in order to establish secrets at two endpoints.