August 2013
Intermediate to advanced
368 pages
9h 41m
English
Content preview from Ubuntu Linux Toolbox: 1000+ Commands for Power Users, 2nd Edition
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8
Backups and Removable Media
IN THIS CHAPTER
Creating backup archives with tar
Compressing backups with gzip, bzip2, and lzop
Backing up over the network with SSH
Doing network backups with rsync
Making backup ISO images with mkisofs
Burning backup images to CD or DVD with cdrecord and growisofs
Data backups in Linux were originally done by running commands to archive and compress the files to back up, and then writing that backup archive to tape. Choices for archive tools, compression techniques, and backup media have grown tremendously in recent years. Tape archiving has, for many, been replaced with techniques for backing up data over the network to other hard disks, or to CDs, DVDs, or other low-cost removable media.
This chapter details some useful tools for backing up and restoring your critical data. The first part of the chapter details how to use basic tools such as tar, gzip, and rsync for backups.
Backing Up Data to Compressed Archives
If you are coming from a Windows background, you may be used to tools such as WinZip and PKZIP, which both archive and compress groups of files in one application. Linux offers separate tools for gathering groups of files into a single archive (such as tar) and compressing that archive for efficient storage (gzip, bzip2, and lzop). However, you can also do the two steps together by using additional options to the tar command.
Creating Backup Archives with tar
The tar command, which stands for tape archiver, dates back to early UNIX ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.