Print this page. Recommend
Slashdot it! Delicious Share on Facebook Tweet! Digg

The sys admin’s daily grind: Unison

SYNCING IN UNISON

Author(s): CHARLY KÜHNAST

Charly may be a traditionalist with sync-unfriendly duplicate home directories, but a little utility called Unison helps keep his data consistent . This month you’ll learn why Rsync sometimes isn’t enough.

I’m an old-fashioned kind of guy. You can tell by the way I still use a desktop computer, instead of entrusting my data to a laptop. The downside of this traditionalism is that I sometimes need to synchronize my home directories between my desktop and my laptop. Rsync is not a solution to this problem. The Rsync tool is a one-way street that updates a slave copy to reflect the master copy status. If I used Rsync consistently with the --delete parameter set, it would flatten any changes I had made on the slave machine in the meantime. The antidote to this problem is a tool called Unison.


Read full article as PDF »


Comments


Print this page. Recommend
Slashdot it! Delicious Share on Facebook Tweet! Digg
Related Articles
STAYING IN SYNC Synchronizing files with Rsync
VIVE LA DIFFERENCE The Sysadmin’s Daily Grind: Zsync
TARGET PRACTICE The Sysadmin’s Daily Grind: Rsnapshot
SYNCING TOOLS Conduit and Unison
LINUX TAKEOUT Must-have tools for the Linux laptop
Get your backstage pass to Linux!

If you're ready for a deeper look, Linux Magazine gives you a view behind the scenes.

Don't miss out on the tools, tutorials, and reviews you'll need to unlock the secrets of Linux.

more...

 

In the US and Canada, Linux Magazine is known as Linux Pro Magazine.
Entire contents © 2009 [Linux New Media USA, LLC]
Linux New Media web sites:
North America: [Linux Pro Magazine]
UK/Worldwide: [Linux Magazine]
Germany: [Linux-Magazin] [LinuxUser] [EasyLinux] [Linux-Community] [Linux Technical Review]
Eastern Europe: [Linux Magazine Poland] [Linux Community Poland] [Open Source DVD Poland]
International: [Linux Magazine Brazil] [EasyLinux Brazil] [Linux Magazine Spanish]
Corporate: [Linux New Media AG]