Update cheatsheets

cryfs

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# cryfs
+
+> A cryptographic filesystem for the cloud.
+> More information: <https://www.cryfs.org/>.
+
+- Mount an encrypted filesystem. The initialization wizard will be started on the first execution:
+
+`cryfs {{path/to/cipher_dir}} {{path/to/mount_point}}`
+
+- Unmount an encrypted filesystem:
+
+`cryfs-unmount {{path/to/mount_point}}`
+
+- Automatically unmount after ten minutes of inactivity:
+
+`cryfs --unmount-idle {{10}} {{path/to/cipher_dir}} {{path/to/mount_point}}`
+
+- List supported ciphers:
+
+`cryfs --show-ciphers`