Crontab

# Example of job definition:
# .---------------- minute (0 - 59)
# |  .------------- hour (0 - 23)
# |  |  .---------- day of month (1 - 31)
# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
# |  |  |  |  .---- weekday (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# |  |  |  |  |
# *  *  *  *  *  user command to be executed
10 * * * * /bin/sh backup.sh    # every hour at 10"

Cron crontab

# Adding tasks easily
echo "@reboot echo hi" | crontab

# Open in editor
crontab -e

# List tasks
crontab -l [-u user]

Source: devhints.io

*/1 in crontab

*/1 means exactly the same as *

Crontab

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

*/5 in crontab

*/5 * * * *  means Execute a cron job every 5 minutes

Similar codes

0 vote209 views1 answer
Sed add newline
Shell/Bash
1 vote193 views2 answers
Reverse a django migration
Shell/Bash
-1 vote188 views4 answers
Install gh ubuntu
Shell/Bash
2 votes194 views1 answer
Recover lost file git
Shell/Bash
5 votes244 views3 answers
Nginx cors
Shell/Bash
0 vote191 views1 answer
Ogv to gif linux
Shell/Bash
3 votes193 views2 answers
Bash find file by name
Shell/Bash
5 votes258 views2 answers
Run prettier
Shell/Bash
12 votes204 views1 answer
Git status do not show permission changes
Shell/Bash
2 votes188 views2 answers
Restart elasticsearch
Shell/Bash