Container Runtime | John Nessime

Docker Logs Ate My Disk: A Working Guide to Log Drivers and Rotation

Post category:DevOps Docker System Administration Troubleshooting

Docker's default logging driver writes container output to a JSON file with no size limit and no rotation. This is a practical guide to Docker log rotation: what the defaults actually do, why your daemon.json change did nothing, why deleting the log file did not free any disk, and how to choose between json-file, local, journald and shipping logs off the box.

Podman vs Docker: Is the Switch Actually Worth It?

Post category:DevOps Docker Linux

Podman is the better-designed container engine and Docker is the better-supported one. A working engineer's comparison: the architectural difference that drives everything, where each one wins and loses, the four things that genuinely break in a migration (compose, the Docker socket, privileged ports, restart on boot), and a decision procedure to run against your own setup.