Q. I’m using Red Hat Enterprise Linux based Apache web server. How do I backup my Apache webserver, MySQL and PostgreSQL database to another disk called /backup and then copy it to other offsite backup ssh server called backup.example.com?
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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.

I would like to configure my Debian box to backup two remote servers using rsnapshot software. It should make incremental snapshots of local and remote filesystems for any number of machines on 2nd hard disk located at /disk1 ( /dev/sdb2). How do I install and use rsnapshot on a Ubuntu or Debian Linux server?
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Q. I’ve Debian Linux 4.0 Install on HP Server. This server has SCSI tape device. According to my tape documentation size should be 64k. How can I set the block size for a HP SCSI tape device?
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How do I copy files under Linux operating systems?
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Q.I’m Ubuntu Linux user and I’d like to keep backup of my email and mail settings. How do I backup Thunderbird mail and profile under any Linux distribution?
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