Cron

crontab -e						# to edit
10 * * * * /bin/sh backup.sh    # every hour at 10"
0 */4 * * * /bin/sh backup.sh   # every 4 hours at 0"
0 9-17 * * * /bin/sh backup.sh  # every hours at 0" between 9 and 17
0 2 * * * /bin/sh backup.sh     # daily at 2am
0 0 * * MON /bin/sh backup.sh   # every Monday at 0am
0 0 * * 1-5 /bin/sh backup.sh   # daily from Monday to Friday at 0am
0 0 * * 0 /bin/sh backup.sh     # weekly on Sunday
0 0 1 * * /bin/sh backup.sh     # monthly (1rst day at 0am)
0 0 1 */3 * /bin/sh backup.sh   # every quarter (1rst day at 0am)
0 0 1 1 * /bin/sh backup.sh     # yearly (01/01)

Cron

*/15 * * * * YOUR COMMAND >/dev/null 2>&1

Cron

sudo systemctl status cron

Source: serverfault.com

Similar codes

0 vote176 views3 answers
How to convert vdi to gnome boxes
Shell/Bash
8 votes97 views3 answers
Ubuntu remove package
Shell/Bash
1 vote148 views1 answer
Samtools extract sequence from bam file
Shell/Bash
2 votes130 views1 answer
Git check ignore
Shell/Bash
11 votes136 views1 answer
How to remove filmora watermark
Shell/Bash
0 vote143 views1 answer
Unattended-upgr
Shell/Bash
0 vote137 views2 answers
Brownie delete account
Shell/Bash
8 votes149 views1 answer
How to create symlink in linux
Shell/Bash
0 vote138 views1 answer
Silent install google chrome
Shell/Bash
0 vote149 views1 answer
Cmder find parameter formate not correct
Shell/Bash