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How To Use rsync Command To Backup Directory Under Linux

Q. How do I use rsync command to back up a home directory under Linux operating system?

A. rsync command easily backup your home directory to local secondary hard disk or remote server using ssh protocol. rsync is a software application for Unix systems which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate.

Task: Backup /home/tom to /mnt/usbpen

Assuming that USB pen or external USB hard disk is mounted at /mnt/usbpen, enter the following command to backup (sync) new files and changes to existing files but don't remove files in backup directory:
$ rsync -au /home/tom /mnt/usbpen
To delete files in backup directory that no longer exist in directory being backed up, enter:
$ rsync -au --delete /home/tom /mnt/usbpen

See our previous article about using rsync for transferring files under Linux or UNIX from local or remote network computer.

Howto: Backup CentOS / Fedora Linux / Red Hat Enterprise Linux server system

Q. How do I backup files and database for the Red Hat Enterprise Linux / CentOS Linux? Currently I’ve MySQL server running on CentOS 5 and Web server and file server using RHEL 5. How do I backup all these servers?

A. Regular backup is an essential for Linux system. You can take backup on
=> Tape
=> NAS Server
=> DVD
=> Network server etc

Implementing a backup policy that includes rotating backup media and keeping copies of backup media offsite is the most reliable way of minimizing damage. See following resources on our site for more information including commands and shell scripts:

  1. Perform backups for the Linux operating system
  2. How to backup MySQL databases, web server files to a FTP server automatically
  3. Howto Backup PostgreSQL Databases
  4. All backup shell scripts