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michaelchen6 11-25-2008 09:01 PM

How do I only backup the difference?
It takes me too much time to backup my project source code and documents every day. Is there any easy way to backup only the difference from previous backup? I am using Fedora 9.

AuroraCA 11-25-2008 09:27 PM

rsync has an archive mode (-a, --archive archive mode; equals -rlptgoD (no -H,-A,-X))
which makes a copy of the file(s). The next time the rsync command is run with the '-a, --archive' flag set only the files which have been changed since the last copy will be copied.

pentode 11-25-2008 09:50 PM

Take a look at rsnapshot. It handles differential backups very efficiently - based on the rsync engine.

r3sistance 11-25-2008 10:01 PM

Since you mention "source code", might I suggest revision control software(RCS) of some sort?

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