Uploaded July 2026 | Updated September 2026, 1 week ago
Talk by Andres Beltran
socallinuxexpo.org/scale/23x/presentations/modernizing-local-storage-management-systemd-services
The storage directory settings in systemd help define where services store their data. Two important features have been implemented for these directories. The first one is id-mapped mounts, which is a filesystem feature that allows a mount namespace to show a different UID than what is stored on a file. Storage directories now support id-mapping, so that the files within the mount namespace of a service defined with DynamicUser=yes are owned by its unprivileged UID/GID. The second feature is storage quota support. Storage limits can now be defined in terms of percentages or absolute values to enforce quotas on the consumption of State, Cache, and Logs directories. These features enhance the security and resource management of systemd services.
Talk by Andres Beltran
socallinuxexpo.org/scale/23x/presentations/modernizing-local-storage-management-systemd-services
The storage directory settings in systemd help define where services store their data. Two important features have been implemented for these directories. The first one is id-mapped mounts, which is a filesystem feature that allows a mount namespace to show a different UID than what is stored on a file. Storage directories now support id-mapping, so that the files within the mount namespace of a service defined with DynamicUser=yes are owned by its unprivileged UID/GID. The second feature is storage quota support. Storage limits can now be defined in terms of percentages or absolute values to enforce quotas on the consumption of State, Cache, and Logs directories. These features enhance the security and resource management of systemd services.
