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Disks and Capacity: df, du, lsblk, mount
DevOpsStorage

Disks and Capacity: df, du, lsblk, mount

\"The server is out of disk\" is a classic incident. This article teaches the troubleshooting workflow: df to see which filesystem is full, du to trace which directory is eating space, find for large files, plus lsblk and mount to understand storage devices.

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KaiMay 23, 2026· 11 views
Volumes and Bind Mounts: Storing Data Pe...
DevOpsDocker

Volumes and Bind Mounts: Storing Data Persistently

Data in a container vanishes when the container is removed. This article fixes that: named volumes managed by Docker and bind mounts that attach a host directory directly, when to use which, with examples proving the data survives.

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KaiMay 23, 2026· 31 views
S3: Store Files and Host a Static Websit...
DevOpsAWS

S3: Store Files and Host a Static Website

Create an S3 bucket, upload files, and host a static website on the Internet without any server running continuously. Understand buckets, objects, and managing access.

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KaiMay 23, 2026· 15 views