1. Container Management (Lifecycle) CommandPurposeExample docker psList running containers.docker ps -a (to see all containers, including those that exited with errors). docker runCreate and start a container.docker run -d --name web nginx (r...
1. System Observability & Performance CommandPurposeReal-World SRE Example top / htopProcess monitoring.htop (to visually identify which CPU core is pinned at 100%). uptimeSystem load average.uptime (to check if the load average exceeds the n...
Automate to scale, not just to survive In the world of Site Reliability Engineering (SRE), not all automation is created equal. There is a silent enemy that consumes engineer’s time, stalls innovation, and drains operational budgets: Toil. If your da...
In infrastructure, you don't guess—you verify. Whether you're debugging a Kubernetes CNI or a cloud-native database, knowing the underlying protocol is the key to faster troubleshooting. Here is a cheat sheet of the 25 most important protocols and th...
The Incident Doesn't End at the "Fix" In the daily life of an SRE, the first reaction to a downtime is the "Quick Fix": restarting a pod, scaling a node, or triggering a rollback. However, an incident isn’t truly closed when the service returns to no...
In SRE (Site Reliability Engineering), time is not just a number; it is the core resource that determines whether we meet or breach our SLO (Service Level Objective). To manage incidents professionally, we must deconstruct the timeline into specific ...
