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Full Discussion: Crontab is not working
Operating Systems Linux Red Hat Crontab is not working Post 302955346 by gandolf989 on Wednesday 16th of September 2015 02:14:10 PM
Old 09-16-2015
I would vote that your user doesn't have crontab rights. Since I don't usually have root on a server
I usually create a test job and check for the results. Something that doesn't need anything else to run,
but provides proof that it ran. Something like this:

Code:
$ crontab -l
* * * * * `date > /tmp/mydate.dat` > /dev/null 2>&1
$ ls -l /tmp/mydate.dat
ls: cannot access /tmp/mydate.dat: No such file or directory
...
$ ls -l /tmp/mydate.dat
-rw-r--r-- 1 oracle dba 29 Sep 16 14:12 /tmp/mydate.dat
$  cat /tmp/mydate.dat
Wed Sep 16 14:12:01 EDT 2015

This way you know that crontab works. Otherwise you need someone with root to look at the system logs
to see if your crontab is getting an error.
 

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LEARN ABOUT CENTOS

arp2ethers

ARP2ETHERS(8)						      System Manager's Manual						     ARP2ETHERS(8)

NAME

       arp2ethers - convert arpwatch address database to ethers file format

SYNOPSIS

       arp2ethers

DESCRIPTION

       arp2ethers converts file arp.dat in the current directory into ethers(5) format on stdout.  Usually arp.dat is an ethernet/ip database file
       generated by arpwatch(8).  The arpwatch daemon in Debian will create different arp.dat depending on its configuration. All of them will	be
       available at /var/lib/arpwatch/.

FILES

       /var/lib/arpwatch - default directory for arp.dat
       arp.dat - ethernet/ip address database

SEE ALSO

       arpwatch(8), ethers(5), rarp(8), arp(8),

BUGS

       Please send bug reports to arpwatch@ee.lbl.gov.

AUTHORS

       Original  version  by  Craig Leres of the Lawrence Berkeley National Laboratory Network Research Group, University of California, Berkeley,
       CA.

       Modified for the Debian Project by Peter Kelemen, with additions from Erik Warmelink.

       The current version is available via anonymous ftp:

	      ftp://ftp.ee.lbl.gov/arpwatch.tar.gz

       This manual page was contributed by Hugo Graumann.

																     ARP2ETHERS(8)
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