hwo to use cron tab

[Punithan]

hello now i got to get the report of netstat -s
for every 30 minit .
now hwo to to it using n cron tab and swave it in one folder

[MANOJ SRIVASTAVA]

Hi

1.log in as root
2.crontab -e
3.add the following line

30 * * * * /usr/bin/netstat -s >> log file

this will update the log file every 30 mts.

4. Please do check the cron bu crontab -l

Also please clean up the log file where the info is stored regularly so that you dont end have 100 % full filesystems.

You can create a shell script to write the time stamp too

Manoj Srivastava

[Victor_5]

crontab -e

0, 30 * * * * /usr/bin/netstat -s >> your_filename

[Rita C Workman · Accepted solution]

First you can create a very simple script:

vi

#/bin/sh
#
#
echo "********************"
echo "Command ran:"date
echo "********************"
netstat -s >> /dirpath/netfile.log

Save the file..
chmod 770

Now edit your existing cronfile and add a line:

crontab -e
00,30 * * * * /dirpath/ > /dev/null 2>&1


The job newfile-name simply runs the command and append the results to file /dirpath/netfile.log.
The entry in your cronfile will run every 30 minutes of every hour of every day of every month....I didn't bother to log any messages in cron.

Rgrds,
Rit

[S.K. Chan]

Quick and dirty .. as root ..

# crontab -e
===> edit and add this line.

00,30 * * * * { date; netstat -s; } >> /tmp/data

# crontab -l
===> check it