Tag
pivot-root
- Mar 29, 2025 Escaping a Chroot Through Retained Directory Descriptors Why changing a process root does not confine a process that holds an open descriptor above it, how the classic escapes work, and what pivot_root and mount namespaces do differently. 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