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If you specify multiple options, separate them with commas (no spaces)for example, -o ro,nosuid. These are generic options that can be specified with the -o option. This option should be used to verify and validate the command line. umount generates a command line by using the options and arguments provided by the user and adding to them information derived from /etc/mnttab. This must be the only option specified.Įchoes the complete command line but does not execute the command. Prints the list of mounted file systems in verbose format. Prints the list of mounted file systems in the /etc/vfstab format. If a mount is attempted on a preexisting mount point without setting this flag, the mount fails, producing the error device busy. Allows the file system to be mounted over an existing mount point, making the underlying file system inaccessible. Mounts the file system without making an entry in /etc/mnttab. On a clustered system, this globally mounts the file system on all nodes of the cluster. If fstype is not specified, it must be determined from the /etc/vfstab file or by consulting /etc/default/fs or /etc/dfs/fstypes. Used to specify the file system type on which to operate. Table 1.16 describes options to the mount command. You may place these variables in a file named. The following environment variables are required for proper functioning. This application makes use of Amazon S3 for file storage. For a comprehensive guide to self-hosting a similar Ruby on Rails application, our Standard Notes syncing server, please see Self Hosting Standard Notes with EC2 and Nginx. This codebase is a Ruby on Rails application, and can be hosted using traditional deployment instructions for such an application, which we will not cover here. You can self-host FileSend to have your own encrypted file sharing portal. For example, a more vigilant user may want to share the base link on one communication channel, and the encryption key via another communication channel. The encryption key would then be shared separately at the user's discretion. The hash character is special in that text appearing after it is not sent to the server, when the URL is entered in a browser.įiles can also be shared via a base link with no encryption key contained. You can use this key, or erase it, and choose a key of your own.įiles are shared with a single 'simple' link, which contains the encryption key within the link itself, after the hash character (#). Encryption makes files undecipherable without the respective encryption key, and authentication ensures that files have not been tampered with or changed after upload.įileSend will automatically generate an encryption key locally for you upon loading of the web interface. In particular, files are encrypted with AES-256, and authenticated with HMAC256. CryptographyįileSend uses the same audited cryptography that Standard Notes uses to encrypt and secure user data. In addition, FileSend does not log IP addresses.

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In addition, FileSend features auto-deletion of files after first download (maximum 5 days), or after specified duration. FileSend allows you to securely share files through .įiles are encrypted client-side using AES-256 encryption (via the audited Standard File cryptography specification).

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