Scheduled command execution for your Linux server or workstation

Saturday, August 21, 2010 0:21
Cron has many uses. I have used cron to create nightly backups, update server room temperature web pages at various intervals, generate new email '.signature' files every five minutes, and syncronize files nightly via SSH over the ...


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Cron and Crontab usage and examples

Saturday, August 21, 2010 0:17
Cron Cron is a daemon that executes scheduled commands. Cron is started automatically from /etc/init.d on entering multi-user runlevels. Cron searches its spool area (/var/spool/cron/crontabs) for crontab files (which are named after accounts in /etc/passwd); crontabs found are loaded into memory. ...


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What are cron and crontab, and how do I use them?

Saturday, August 21, 2010 0:04
Note: On most systems, you must get permission from the system administrator before you can submit job requests to cron. On some shared systems, because there is only one crontab file, only the administrator has access to the crontab ...

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Configuring a Cron Task

Saturday, August 21, 2010 0:02
The main configuration file for cron, /etc/crontab, contains the following lines: SHELL=/bin/bash PATH=/sbin:/bin:/usr/sbin:/usr/bin MAILTO=root HOME=/ # run-parts 01 * * * * root run-parts /etc/cron.hourly 02 4 * * * root run-parts /etc/cron.daily 22 4 * * 0 root run-parts /etc/cron.weekly 42 4 ...

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UNIX Basics: Crontab jobs scheduling

Friday, August 20, 2010 23:55
Category: Hosting Tutorial |
In the UNIX or Linux environment, it is possible to asynchronously execute tasks at any desired time of the day, a feature made possible by the cron clock daemon.  In the following text we will present some general information on ...

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How to run crontab jobs on linux system ?

Friday, August 20, 2010 23:46

The cron daemon is a long running process that executes commands at specific dates and times. To schedule one-time only tasks with cron, use at or batch. For commands that need to be executed repeatedly (e.g. hourly, daily ...


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Using Cron and SCP for Backups

Wednesday, August 18, 2010 18:59
This document will explain the steps required to use scp in cron. This is generally useful to do automated backups on Linux and other nix variations. 1. Generate a private/public key pair Simple ...

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