On Mon, 2014-01-13 at 12:41 +0000, Peter Merchant wrote: > Hi, I have a problem. My backup USB drive is full. It has full copies of > all my data and in some cases my whole home directory from every time > that I have backed up. What I would like to do is consolidate by adding > all files that are in the old "2013-upstairs-August" directory to the > "2013-upstairs-December" that are not already there - the ones that have > been deleted between backups. Is there an easy way to do this?
Look at cp's "-u" option -- I think that's what you want. > For the future, is there an easy way to do incremental backups of my > Home directory? I would recommend either: 1. deja-dup, which uses duplicity underneath. This is a "proper" incremental backup solution that has the advantage of nice desktop integration: nautilus has context menu items for restore/revert-to-older, and if backups are stored on an external disk the backup starts when that disk is connected. https://wiki.gnome.org/action/show/Apps/DejaDup 2. backintime, which is conceptually simpler but not as well integrated or as easy to use. This uses the filesystem's "hard link" idea quite well. It stores a snapshot as a directory tree, but hard links identical files from previous backups to save space. http://backintime.le-web.org/ Tim. */
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