User:ng0/drafts/zpaq
From Gentoo Wiki
< User:Ng0
Jump to:navigation
Jump to:search
zpaq is a incremental, journaling backup utility and archiver.
Installation
USE flags
USE flags for app-arch/zpaq Journaling incremental deduplicating archiving compressor
+jit
|
Enable just-in-time compilation for improved performance. May prevent use of some PaX memory protection features in Gentoo Hardened. |
debug
|
Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces |
Cannot load package information. Is the atom app-arch/libzpaq correct?
Emerge
Install app-arch/zpaq:
root #
emerge --ask zpaq
Extras
app-arch/zpaq-extras
Emerging app-arch/zpaq-extras provides a set of additional compression profiles for zpaq:
root #
emerge --ask app-arch/zpaq-extras
Usage
- zpaq add backup.zpaq /mnt/external/*
will only add the files whose last-modified date or size has changed since the previous backup.
A zpaq archive can contain at most 4 billion files and at most 250 terabytes of data after deduplication and before compression.