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On the recordRead 12 Oct 202625 facts
ZBackup
On the record
- Backup scope
- mixedgithub.com · read 20 Sep 2026
- Compression
- It supports parallel LZMA or LZO compression of stored data.github.com · read 12 Oct 2026
- Computer backup
- Yesgithub.com · read 20 Sep 2026
- Encryption
- It supports built-in AES encryption; the documented mode is AES-128 in CBC mode with PKCS#7 padding.github.com · read 12 Oct 2026
- Immutable repository files
- During backup, it creates new files and does not modify or delete existing repository files.zbackup.org · read 12 Oct 2026
- Input and restore
- It accepts data through standard input and restores backups through standard output.zbackup.org · read 12 Oct 2026
- Input formats
- It accepts virtually any file data, including archives, proprietary formats, and raw disk images.github.com · read 12 Oct 2026
- Input limitation
- For deduplication to work, input data should be uncompressed and unencrypted.github.com · read 12 Oct 2026
- Integrity checks
- Each backup is checked with SHA256 when created and restored, and restore fails if the checksums do not match.github.com · read 12 Oct 2026
- License
- The project is licensed under GNU GPL version 2 or later, with OpenSSL.github.com · read 12 Oct 2026
- Linux availability
- The site says ZBackup is included in Debian, Ubuntu, and Arch Linux distributions.zbackup.org · read 12 Oct 2026
- Mobile backup
- Nogithub.com · read 20 Sep 2026
- Purpose
- ZBackup is a globally deduplicating backup tool that stores repeated data regions only once.github.com · read 12 Oct 2026
- Ransomware protection
- Nogithub.com · read 20 Sep 2026
- Repository behavior
- Repository files are immutable, so backups create new files without modifying existing ones.github.com · read 12 Oct 2026
- Repository memory use
- ZBackup keeps known block hashes in an in-memory table, which can create scalability limits for large repositories.zbackup.org · read 12 Oct 2026
- Restore limitation
- To retrieve a required file, ZBackup restores the full backup rather than allowing quick extraction of that file alone.github.com · read 12 Oct 2026
- Restore modes
- filegithub.com · read 20 Sep 2026
