Type
Category
Technology
Tutorials
29
Cluster anatomy: control plane, nodes & kubectl essentials
Connections, hooks and providers in Airflow
Dynamic DAGs and task mapping in Airflow
Executors in Airflow: Local, Celery, and Kubernetes
Hardening the SSH server
Inodes, links, and disk space
Kubernetes: Deploy your first app (Deployment + pods)
LVM end to end (and growing a volume)
Monitoring and logging in Airflow
Mounts and /etc/fstab explained
Retries, SLAs, and failure notifications in Airflow
Scheduling, intervals & catchup in Airflow
Sensors & external triggers in Airflow
Signals and killing processes properly
SSH keys explained (and ditching passwords)
Tasks, operators & dependencies in Airflow
The OOM killer: why the kernel kills your process
The TaskFlow API in Airflow
Understanding load average (and when it's actually bad)
Users, groups, and sudo
What Airflow is, why orchestration, install & first look
What Kubernetes is, why orchestration, and your first look at a cluster
What Spark is and why distributed compute matters
What's eating my CPU and memory?
Where did my disk space go? (df vs du, finding the culprit)
Write & run your first DAG on Airflow
XComs and passing data between tasks in Airflow