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Unix Crontab Commands for Ubuntu
2007-12-03 14:30:00 Unix Crontab Commands for Ubuntu ???????????????????????????? hacker ????????????????????????????? ???????????????? Crontab ????? backup ??????????????????????? backup ????????????????? backup ???? /var/www ???????????????????????????????-????????????????? backup ???????????????????????????????-????????????????????????? gootum.com ???????????????????????????????-??????????????????????????????- Crontab ???????????????????????????????-???????????????????????????????- cron daemon ???????????????????????????????-????????????? cron ?????????????? Crontab (Cron ???????) ???????????????????????????????-????????????????????????????? cron ???????????????????????????????-????? ????????????????? Crontab ???????????????????????????????-???????????????????????????????-???????????????????????????????-?? ???? ???? Crontab ???????? backup File, DB ??????? Crontab Commands crontab -e ????????? crontab ?????? ???????????????????????????????-? crontab -l ???????? crontab ?????? crontab ...
gnome-schedule - graphical interface for at and crontab
2007-08-27 03:30:00 at and crontab are command to schedule tasks on your Linux, this way repetitive tasks can be arranged so you can forget about them and be sure they are going to be executed, while cron jobs are used for repetitive tasks at is used for tasks that are going to executed in the future but only once. Well, while there are ways to schedule this tasks from the command line, this time I will show you how to do it from the gnome-schedule, a front-end interface for both at and crontab. Installing the software Debian / Ubuntu apt-get install gnome-schedule Fedora / Centos You need to have DAG repository installed and then: yum install gnome-schedule Using the interface for schedule tasks If you run this as root you will be able to schedule tasks for root. On this first screen you can click on new to see this other dialog box Here you select if you would like to issue an at (one time) or cronjob (recurrently) task. If you select "A scheduled task that will launch recurrently" you will this...
Create a Crontab That Preserves Existing Entries
2007-06-02 12:27:00 I've had a few queries on how to create a new crontab that preserves the existing entries.You will need to ensure that the user making the edits has cron permissions -- check /etc/cron.d/cron.allow and /etc/cron.d/cron.deny. Note: for the first example, you may have to set the EDITOR variable. Here's the syntax.#cd /var/spool/cron/crontabs#cronta-b -l > esofthub#crontab -e esofthubmake your edits:wq!OR#vi esofthubmake your edits:wq!#crontab esofthubFYI: What do the six fields meanminute 1-60hour 0-23day of month 1-31month of year 1-12day of week 0-6 (zero is Sunday)Your edit/addition/scriptThe following entry will kick off every minute* * * * * echo "I'm kicked off every minute"
By: My SysAd Blog
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