# Snapper
Snapper is a technology or product recorded in [[Scanned_20260730-1706|Scanned_20260730-1706]]. In the reconstruction, Snapper manages filesystem snapshots, commonly with Btrfs or LVM.
## Historical and Technical Context
[[XDG Desktop Portal|xdg-desktop-portal-gnome]] brokers sandboxed desktop access to files, dialogs, and host services; GTK is the user-interface toolkit. [[zuluMount|zuluMount]] provides encrypted-volume mounting; [[Polkit|polkit]] supplies an authorization API between privileged mechanisms and unprivileged subjects ([polkit reference](https://www.freedesktop.org/software/polkit/docs/latest/polkit.8.html)). [[Snapper|Snapper]] manages filesystem snapshots, commonly with Btrfs or LVM.
## Role in Scanned_20260730-1706
These packages complete a graphical security/recovery workflow: portal integration, privileged mounting, and snapshot rollback.
## Notebook Evidence
- [[Scanned_20260730-1706|Scanned_20260730-1706]], PDF page 18: Upside-down GNOME/PAM package notes.
**Evidentiary status:** The page occurrence and transcription are notebook evidence. Technical identification follows the source reconstruction’s cited research. Co-occurrence does not by itself prove ownership, deployment, or a direct operational relationship.
## Relationships and Overlays
On the cited page or pages, Snapper appears with [[Polkit|Polkit]], [[XDG Desktop Portal|XDG Desktop Portal]], [[zuluMount|zuluMount]]. These are page-level or reconstruction-level relationships, not automatic claims of dependency.
## Cross-Notebook Significance
This note extends the recovery and boot-media concerns in [[Scanned_20260730-1802|Scanned_20260730-1802]], especially its Linux services, NFS, installer inventory, and bootable USB/UEFI pages. The new notebook turns those components into a reversible acquisition and recovery workflow.
## Missed Signals and Open Leads
Verify whether “zulupolkit” is an exact package or a functional shorthand for zuluMount's polkit integration.
## Sources
- [[Scanned_20260730-1706|Scanned_20260730-1706]], especially PDF page(s) 18.
- `Scanned_20260730-1706.pdf`, cited as a plain archival filename; the PDF is not linked from `wiki-notes`.
- External research citations used for identification remain preserved in the source reconstruction.
- [polkit reference](https://www.freedesktop.org/software/polkit/docs/latest/polkit.8.html)