Any way to log start and end time of cron jobs in RHEL 5 and up?

Posted on 2014-07-25
Last Modified: 2014-07-29
I would like cron to log start and end times for each job run. I know how to do this in DEBIAN but not red hat.
Question by:Shawn3
  • 4
  • 2
  • 2
LVL 13

Expert Comment

ID: 40220089
For example,
*/10  *     *  5,7,11  *    root command1
0     9-18  *  *       1-5  root command2
These lines will run command1 every ten minutes during May, July and November, and command2 once an hour during the working day (09:00 to 18:00) Monday to Friday.


Author Comment

ID: 40220170
Thanks Duncan, but I know how to use cron. I need to know how to get a start and end time for each of the jobs. Currently, cron logs start time and thats it.

LVL 13

Expert Comment

ID: 40220178
Why not make an example to the experts, other experts will come to solve issue
based your example ? otherwise, they don't know what you need

Networking for the Cloud Era

Join Microsoft and Riverbed for a discussion and demonstration of enhancements to SteelConnect:
-One-click orchestration and cloud connectivity in Azure environments
-Tight integration of SD-WAN and WAN optimization capabilities
-Scalability and resiliency equal to a data center

LVL 38

Accepted Solution

Gerwin Jansen, EE MVE earned 500 total points
ID: 40220586
Simplest is to write wrapper commands (or script)

The wrapper logs start date/time with the cron script's name, calls the cron script and logs end date/time.

Easiest if you give every cron script it's own log file name.

For example:

00 10 * * * echo "`date` Start of cron1" >> /home/user/cronjob1.log ; /home/user/cronjob1 ;  echo "`date` End of cron1" >> /home/user/cronjob1.log 

Open in new window


Author Comment

ID: 40224305
Thanks Gerwin. I have hundreds of cron jobs. I think this is a great solution, but was hoping there was a system level logging setting that I could enable.

Author Closing Comment

ID: 40224311
This will work, but I'm looking for system level logging for all cron jobs if possible.
LVL 38

Expert Comment

by:Gerwin Jansen, EE MVE
ID: 40224522
You could try setting higher log level for cron in /etc/sysconfig/crond :


and then restarting cron : sudo service cron restart

My preference is the solution you've chosen so you can easily keep track of all jobs in one place. And the cron log itself is not accessible for users.

Author Comment

ID: 40224616
I will try that...but thought it was only for debian based distros...

Tried the crondargs, but it throws an error in RHEL. I think that param is for Debian based distros. Thanks though!

Featured Post

Free Tool: SSL Checker

Scans your site and returns information about your SSL implementation and certificate. Helpful for debugging and validating your SSL configuration.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
how to check for shares on HP-UX 1 64
Parsing a file using ksh 10 72
Expiration and Locking of Unix/Solaris OS Accounts 7 51
Authenticate using sesu from script 7 60
Installing FreeBSD… FreeBSD is a darling of an operating system. The stability and usability make it a clear choice for servers and desktops (for the cunning). Savvy?  The Ports collection makes available every popular FOSS application and packag…
Why Shell Scripting? Shell scripting is a powerful method of accessing UNIX systems and it is very flexible. Shell scripts are required when we want to execute a sequence of commands in Unix flavored operating systems. “Shell” is the command line i…
Learn several ways to interact with files and get file information from the bash shell. ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…
In a previous video, we went over how to export a DynamoDB table into Amazon S3.  In this video, we show how to load the export from S3 into a DynamoDB table.

820 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question