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Copy your files from a source to a destination. For instance you can copy your local files to your OneDrive account or an external disk.

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About Meziantou.Backup

Backup your files from a source to a destination (File System, OneDrive, SFTP). For instance you can copy your local files to your OneDrive account, or an external hard disk, or an USB flash drive.

Usage

Meziantou.Backup.Console.exe backup "d:\Data" "onedrive://backup/" --ignoreErrors --targetAesAskPassword

Use --help to show all options

Providers

Currently, 3 file systems are supported: Local File System, OneDrive, SFTP. Each provider has specific configuration options. Use -sc conf=value (source file system configuration) or -tc setting=value (target file system configuration) to set a setting value

For instance:

Meziantou.Backup.Console.exe backup "d:\Data" "onedrive://backup/" -tc UploadChunkSize=1024

FileSystem

Configuration:

  • Path can be a relative path or a rooted path. Example: C:\Users\meziantou\ToBeBackedUp\

Note: This provider supports long path (>260 characters)

OneDrive

Configuration:

  • Path: Path from the root of the user's root path. The directory is created if needed. Example: /Backup/Musics/
  • ApplicationName (optional, default null): This allows to store the credential (Refresh token) in the Windows Credential Manager so you don't need to enter your credential every time. Use a different name for different OneDrive account. The name is not related to your OneDrive account.
  • AuthenticateOnUnauthenticatedError (optional, default true): Re-authenticate when the API call fails with error code Unauthenticated
  • UploadChunkSize (optional, default 5MB): The size of the file chunks

SFTP

Configuration:

  • Path: Path from the root. The directory is created if needed. Example: /Backup/sample/
  • Host: SFTP host (ex: sample.com)
  • Port (optional, default 22)
  • Username
  • PrivateKeyFile
  • Password

AES Encryption

You can encrypt file content and name (optional) using AES128 or AES256.

--sourceAesPassword <PASSWORD>
--sourceAesPasswordName <NAME>
--sourceAesAskPassword
--sourceAesEncryptFileNames
--sourceAesEncryptDirectoryNames

--targetAesMethod <METHOD>
--targetAesPassword <PASSWORD>
--targetAesPasswordName <NAME>
--targetAesAskPassword
--targetAesEncryptFileNames
--targetAesEncryptDirectoryNames
  • AesMethod: Aes128 or Aes256
  • AesPassword: Password to encrypt or decrypt
  • AesAskPassword: Enter the password in the console
  • AesPasswordName: Read the password from the creadential manager. If combined with --aesAskPassword, the password is prompted and save in the credential manager.
  • AesEncryptFileName: Indicates whether file names must be encrypted
  • AesEncryptDirectoryName: Indicates whether directory names must be encrypted

Note 1: you can also decrypt files if you replace target by source

Note 2: The file length of an encrypted file cannot be computed correctly so you should not use it to compare files. Instead you may want to use the LastWriteTime: EqualityMethods=LastWriteTime

Examples

From the local file system to OneDrive:

Meziantou.Backup.Console.exe "C:\Users\meziantou\ToBeBackedUp" "onedrive://Backup/meziantou/" -tc ApplicationName=Meziantou.Backup.OneDrive.Meziantou

From the local file system to OneDrive using AES 256 with the password 123456:

Meziantou.Backup.Console.exe "C:\Users\meziantou\ToBeBackedUp" "onedrive://Backup/meziantou/" -tc ApplicationName="Meziantou.Backup.OneDrive.Meziantou" targetAesMethod=Aes256 targetAesPassword=123456 targetAesEncryptFileName=true targetAesEncryptDirectoryName=true EqualityMethods=LastWriteTime

About

Copy your files from a source to a destination. For instance you can copy your local files to your OneDrive account or an external disk.

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