I have a simple periodic cron task that must run as root. I want to use Zenity (or similar) to display a GUI informational dialog to user 1000 (or logged in user or all users) when the cron task finishes.
Is there a way to schedule a cron job to run every fortnight?
I have several shell scripts (bash) which are started by cron. Every time a script is executed I get an email saying “stdin: is not a tty”. Can someone please tell me how to fix this? All scripts run successfully but these mails are killing my email folder.
*/30 */30 * * * python /root/get_top.py I’m trying to run a script every 30 hours and 30 minutes. Is the syntax above proper for that? I’ve had multiple people tell me that */30 is not a valid value for the hour column, since it’s greater than 24. If that’s true, how do I make … Read more
The command field (the rest of the line) is the command to be run. The
entire command portion of the line, up to a newline or % character, will
be executed by /bin/sh or by the shell specified in the SHELL variable of
the crontab. Percent signs (%) in the command, unless escaped with a
backslash (), will be changed into newline characters, and all data
after the first % will be sent to the command as standard input.
I was hacked this morning!
I’m using CentOS 7 what my aim is to create a cron for every five seconds but as I researched we can use cron only for a minute so what I am doing now is I have created a shell file.
hit.sh
I am currently trying to understand the difference between init.d and cron @reboot for running a script at startup/booting of the system.
I have a script being run automatically that I can’t find in the crontab for the expected users, so I’d like to search all users’ crontabs for it.