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Docker: Placing limits on cpu usage in containers

Containers themselves are light, but by default a container has access to all the CPU resources the Docker host kernel scheduler will allow. Internally Docker uses cgroups to limit CPU resources, and this is exposed as the flag “–cpus” when bringing up a docker container: sudo docker run -it –cpus=1.0 alpine:latest /bin/sh This will limit Docker: Placing limits on cpu usage in containers

Ubuntu: Gathering hardware and BIOS details

Whether you need to flash the BIOS or check hardware compatibility for a virtualization engine, it is often necessary to gather details on your current hardware, BIOS, and CPU/DRAM feature set. In this article I’ll provide a starting list of commands you can use to gather this information.