crontab
last edited Sat, 20 Jul 2024 11:31:53 GMT
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setting up a crontab direct link to this section
crontab -e
# .---------------- minute (0 - 59)
# | .------------- hour (0 - 23)
# | | .---------- day of month (1 - 31)
# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...
# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * command to be executed
#
# m h dom mon dow command
0 3 * * * /bin/bash /root/backup.sh
The crontab will run a backup script. The example above is set to 3am daily, see the man pages for additional information on using crontab.
backup.sh direct link to this section
#!/bin/bash
#this must run as root !
if [ "$EUID" -ne 0 ]
then
echo 'MUST RUN AS ROOT!'
exit
fi
cd /tmp/
cooldate=$(date --iso-8601)
echo $cooldate
rm backup*.zip
rm backup-$cooldate.zip
zip -r backup-$cooldate.zip /root/myveryimportantdirectory/
rsync backup-$cooldate.zip root@192.168.0.150:/root/backups/
rm backup*.zip
cd -
Remember to change permissions chmod +x backup.sh
, test with ./backup.sh