Tag
overlayfs
- Feb 23, 2026 Copy-Up, Whiteouts and Rename in Overlay Roots What happens on the first write to a file from a lower layer, how deletions are represented without deleting, and which POSIX behaviours overlayfs cannot preserve. virtualization
- Jan 8, 2025 Assembling a Container Root with pivot_root and Overlay Mounts Why chroot is the wrong tool for changing a container root, how pivot_root swaps the namespace root atomically, and how an overlay upper layer turns a read-only image into a writable filesystem. operating systems
- Nov 27, 2024 From Image Manifest to Mounted Root Filesystem How a container image is assembled from a manifest, a config blob and ordered layer tarballs, and what the runtime does between pulling and exec. virtualization