Update cheatsheets

tldr/linux/fprintd

@@ -8,6 +8,18 @@ source: https://github.com/tldr-pages/tldr.git
 > Fingerprint management daemon.
 > More information: <https://fprint.freedesktop.org/>.
 
-- Display the man page for `fprintd`:
+- View documentation for listing enrolled fingerprints:
 
-`man fprintd`
+`tldr fprintd-list`
+
+- View documentation for enrolling new fingerprints:
+
+`tldr fprintd-enroll`
+
+- View documentation for verifying a fingerprint against a database:
+
+`tldr fprintd-verify`
+
+- View documentation for deleteting fingerprints from a database:
+
+`tldr fprintd-delete`

tldr/linux/qm-snapshot

@@ -8,7 +8,7 @@ source: https://github.com/tldr-pages/tldr.git
 > Create virtual machine snapshots.
 > More information: <https://pve.proxmox.com/pve-docs/qm.1.html>.
 
-- Create a snapshot of a specific virtual machine:
+- Create a snapshot of a specific virtual machine (name must start with a letter):
 
 `qm {{[sn|snapshot]}} {{vm_id}} {{snapshot_name}}`
 
@@ -19,3 +19,11 @@ source: https://github.com/tldr-pages/tldr.git
 - Create a snapshot including the vmstate:
 
 `qm {{[sn|snapshot]}} {{vm_id}} {{snapshot_name}} --description {{description}} --vmstate 1`
+
+- List snapshots of a VM:
+
+`qm {{[lists|listsnapshot]}} {{100}}`
+
+- Rollback the state of a specific VM to a specified snapshot:
+
+`qm {{[ro|rollback]}} {{vm_id}} {{snap_name}}`