Shutdown System Automatically in Ubuntu

Thursday 10 November 2011 | posted in , | 0 comments

In this post we can see how to shutdown the system automatically, ie daily at particular time or once in a week days or once in a month. To shutdown the system follow the steps given below.

1. First need to install a package. The package can installed by using terminal.

sudo apt-get install cron

2. Open text editor and write the script as given below,

Shutdown Daily

To shutdown the system daily, copy and past the script in text editor and save file name as root in the directory given below.

/var/spool/cron/crontabs/filename

# minutes  hrs, dayofmonth, month, dayofweek command

55 13   *  * * /sbin/shutdown -h now

The above code will shutdown the system daily at 1:00 Pm.

Shutdown Weekly once

To shutdown the system once in a week, copy and past the script in text editor and save file name as root in the directory given above.

# minutes  hrs, dayofmonth, month, dayofweek command

00 13  *  * 0 /sbin/shutdown -h now

The machine will shutdown every Sunday 1:00 Pm.

Same as Sunday we can shutdown the machine Monday, Tuesday, Wednesday,Thursday,Friday,Saturday and Sunday. For this change the value from 0 to 6 for this in the same script.

00 13  *  * 0 /sbin/shutdown -h now #shutdown Sunday at 1:00 Pm

55 8   *  * 1 /sbin/shutdown -h now #shutdown Monday at 8:55 Am

55 3  *  * 2 /sbin/shutdown -h now #shutdown Tuesday at 3:55 Am

55 3  *  * 3 /sbin/shutdown -h now #shutdown Wednesday at 3:55 Am

55 6  *  * 4 /sbin/shutdown -h now #shutdown Thursday at 6:55 Am

55 4  *  * 5 /sbin/shutdown -h now #shutdown Friday at 4:55 Am

55 2  *  * 6 /sbin/shutdown -h now #shutdown Saturday at 2:55 Am

the value range from 0 - 6,

0 -----> Sunday

1 -----> Monday

2 -----> Tuesday

3 -----> Wednesday

4 -----> Thursday

5 -----> Friday

6 -----> Saturday

Note :

1. The file name must named as root.

2. Save the root file in the directory given below

/var/spool/cron/crontabs/

Print
0 Responses So far

Post a Comment