create cronjob

crontab creation help

Just see this, it will help you.

# crontab -e
SHELL=/bin/bash
MAILTO=root@abesthost.com
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin

# For details see here

# Example of job definition:
# .---------------- 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
# |  |  |  |  |
# *  *  *  *  * user-name  command to be executed

If you want to run a job to open a link on every Sunday 1 am.
just type this:-

0 1 * * 0 curl -s "https://attaakwal.blogspot.com/mylink.php" > /dev/null

Thats it!...