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introduction:
what is it? rdiff-backup backs up one directory to another, possibly over a network. the target directory ends up a copy of the source directory, but extra reverse diffs are stored in a special subdirectory of that target directory, so you can still recover files lost some time ago. the idea is to combine the best features of a mirror and an incremental backup. rdiff-backup also preserves subdirectories, hard links, dev files, permissions, uid/gid ownership, and modification times. also, rdiff-backup can operate in a bandwidth efficient manner over a pipe, like rsync. thus you can use rdiff-backup and ssh to securely back a hard drive up to a remote location, and only the differences will be transmitted. finally, rdiff-backup is easy to use and settings have sensical defaults.rdiff-backup, as you read, uses the rsync library, so why am i not using rsync it´s self? well, i couldn´t be bothered configuring it, as i just wanted to run one command that handled everything, including incremental backups, so let´s begin. 【程序编程相关:php5中类的一些新的特征】
continuing with my backup articles (part two of my amanda series coming soon...), i thought i would tell you about how i do my remote backups. the program i use is rdiff-backup, with a perl script to sort out e-mail notification and logfile generation. i will take you through my script and show you how to enable ssh passwordless access using public and private keys, so no interaction is required for full automated backups. 【推荐阅读:[水晶报表]分组时控制每页显示的组数目】
planning:
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