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

12 votes172 views2 answers
Fork bomb linux
Shell/Bash
0 vote178 views1 answer
Ubuntu dock setting
Shell/Bash
0 vote150 views2 answers
Powershell set register this connection's addresses in dns
Shell/Bash
3 votes182 views2 answers
Download file on linus ssh
Shell/Bash
0 vote188 views2 answers
Status code 409 sudo has snap-install
Shell/Bash
0 vote164 views1 answer
List file sizes
Shell/Bash
0 vote161 views1 answer
Come resettare le impostazioni di connessione linux
Shell/Bash
2 votes170 views2 answers
Enable wifi raspberry pi headless
Shell/Bash
0 vote162 views1 answer
How to use nohup
Shell/Bash
3 votes183 views2 answers
Failed to set up listener: SocketException: Address already in use
Shell/Bash