Cgroups

Containers vs VMs: How Do They Differ at the OS Level?

A VM virtualizes hardware and runs a full separate guest kernel on top of a hypervisor, while a container shares the single host kernel and is isolated only by…

What are Linux Namespaces and OS-Level Virtualization?

Linux namespaces are a kernel feature that partitions a single global resource — process IDs, network interfaces, mounts, hostnames, users, and more — into iso…

What are Control Groups (cgroups) and How Do They Limit Resources?

Control groups, or cgroups, are a Linux kernel feature that organizes processes into hierarchical groups and enforces limits, accounting, and prioritization on…

What are cgroups and namespaces, and how do they power containers?

Linux namespaces give a process its own isolated view of system resources (PIDs, network, mounts, hostname, users, IPC), while cgroups (control groups) limit a…