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Linux

Scheduling Backup Jobs using at and crontab

Post date: April 21, 2006, 16:04 Category: Installing Views: 2185 Comments
Tutorial quote: You can schedule a command or a script using two tools

crontab : Schedules tasks once or repeatedly.

You can use the crontab command to run commands at regular times. For example, you could schedule a backup of your files every Friday. Commands can be scheduled to the minute.

at : Schedules tasks once.

You can use the at command to schedule a command or script to run a single time. The command includes several utilities
Unix+clones

Unattended rdiff-backup HOWTO

Post date: April 3, 2006, 08:04 Category: Software Views: 3986 Comments
Tutorial quote: This page describes how to set up rdiff-backup to run, as a non-root user, unattended from a crontab. We will utilize features of rdiff-backup and OpenSSH to secure the setup as much as possible.
Debian

How To Limit CPU Usage Of A Process With cpulimit (Debian/Ubuntu)

Post date: September 14, 2009, 09:09 Category: Miscellaneous Views: 3347 Comments
Tutorial quote: This tutorial shows how you can limit the CPU usage of a process with the tool cpulimit on Debian/Ubuntu. cpulimit is a simple program that attempts to limit the CPU usage of a process (expressed in percentage, not in cpu time). This is useful to control batch jobs, when you don't want them to eat too much CPU. It does not act on the nice value or other scheduling priority stuff, but on the real CPU usage. Also, it is able to adapt itself to the overall system load, dynamically and quickly.
Debian

Automated distributed backups for laptops

Post date: February 14, 2006, 21:02 Category: Network Views: 2558 Comments
Tutorial quote: This document will describe the setup I made for automating the backup tasks for all laptops here in the house. My servers use the same backup server and infrastructure, but right now they don't have the checks and scripts because they are online 24/7 and my backup server is triggering the backup process. This is however not true at all for the laptops.

Laptops can be at different places, powered down, suspended, put to sleep etc. So I needed a different approach for them.
Linux

Gnu Queue: Linux Clustering Made Easy

Post date: December 22, 2005, 19:12 Category: System Views: 2937 Comments
Tutorial quote: GNU Queue makes it easy to cluster Linux workstations. If you already know how to control jobs running on your local machine, you already know how to control remote jobs using GNU Queue. You don't even need special privileges to install and run GNU Queue on your cluster--anyone can do it. Once you've discovered how incredibly easy it is to cluster Linux environments with GNU Queue, you'll wonder why organizations continue to spend so much money on comparatively hard-to-cluster Windows NT environments.
Linux

Build a Home Terabyte Backup System Using Linux

Post date: December 1, 2005, 01:12 Category: Miscellaneous Views: 3213 Comments
Tutorial quote: A terabyte-plus backup and storage system is now an affordable option for Linux users. This article discusses options for building and configuring an inexpensive, expandable, Linux-based backup server.
Debian

Disk Backup With Amanda On Debian Lenny

Post date: June 17, 2010, 12:06 Category: Miscellaneous Views: 3093 Comments
Tutorial quote: Amanda is an open source client/server solution to back up filesystems. Backups are triggered by the backup server, backup definitions are located on the servers but exclusion lists are located on the client.
Fedora

How To Back Up Your Files With Areca On Fedora 9

Post date: June 1, 2008, 08:06 Category: Miscellaneous Views: 4057 Comments
Tutorial quote: Areca is a personal file backup software developed in Java. It allows you to select files or directories to back up, filter, encrypt and compress their content, and store them on your backup location. Areca supports incremental backups and generates backup reports, which can be stored on your disk or sent by email. This guide explains how to install and use it on a Fedora 9 desktop (GNOME).
Debian

Creating Encrypted FTP Backups With duplicity And ftplicity On Debian Etch

Post date: December 18, 2007, 12:12 Category: Miscellaneous Views: 3311 Comments
Tutorial quote: When you rent a dedicated server nowadays, almost all providers give you FTP backup space for your server on one of the provider's backup systems. This tutorial shows how you can use duplicity and ftplicity to create encrypted (so that nobody with access to the backup server can read sensitive data in your backups) backups on the provider's remote backup server over FTP. ftplicity is a duplicity wrapper script (provided by the German computer magazine c't) that allows us to use duplicity without interaction (i.e., you do not have to type in any passwords).
Ubuntu

Creating Snapshot-Backups with FlyBack On Ubuntu 7.10

Post date: February 3, 2008, 13:02 Category: Desktop Views: 3331 Comments
Tutorial quote: FlyBack is a tool similar to Apple's TimeMachine. It is intended to create snapshot-backups of selected directories or even your full hard drive. From the FlyBack project page: "FlyBack is a snapshot-based backup tool based on rsync. It creates successive backup directories mirroring the files you wish to backup, but hard-links unchanged files to the previous backup. This prevents wasting disk space while providing you with full access to all your files without any sort of recovery program. If your machine crashes, just move your external drive to your new machine and copy the latest backup using whatever file browser you normally use." This article shows how to install and use FlyBack on Ubuntu 7.10 (Gutsy Gibbon).
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