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Top Forums Shell Programming and Scripting Command works at command line but not from cron Post 303035634 by edstevens on Wednesday 29th of May 2019 02:58:13 PM
Old 05-29-2019
Command works at command line but not from cron

Oracle Linux 6.
Trying to set up a simple monitoring of memory usage. This command does exactly what I want at the command line:

Code:
echo $(date +%Y-%m-%d" "%H:%M:%S) $(grep PageTables /proc/meminfo) >> /home/oracle/meminfo.log

But when I put it in my crontab:

Code:
* * * * *  echo $(date +%Y-%m-%d" "%H:%M:%S) $(grep PageTables /proc/meminfo) >> /home/oracle/meminfo.log

It fails and I get this in my mail

Code:
/bin/sh: -c: line 0: unexpected EOF while looking for matching `)'
/bin/sh: -c: line 1: syntax error: unexpected end of file

 

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yum-cron(8)															       yum-cron(8)

NAME
yum-cron - an interface to convieniently call yum from cron SYNOPSIS
yum-cron [config-file] DESCRIPTION
yum-cron is an alternate interface to yum that is optimised to be convenient to call from cron. It provides methods to keep repository metadata up to date, and to check for, download, and apply updates. Rather than accepting many different command line arguments, the dif- ferent functions of yum-cron can be accessed through config files. config-file is used to optionally specify the path to the configuration file to use. If it is not given, the default configuration file will be used. It is useful to be able to specify different configuration files for different use cases. For example, one configuration file might be set to update the repository metadata, and a line could be added to the crontab to run yum-cron frequently using this file. Then, another configuration file might be set to install updates, and yum-cron could be run from cron using this file just once each day. FILES
/etc/yum/yum-cron.conf /etc/yum/yum-cron-hourly.conf SEE ALSO
yum (8) AUTHORS
See the Authors file included with this program. BUGS
There of course aren't any bugs, but if you find any, you should email the mailing list, yum@lists.baseurl.org, or consult bugzilla. Nick Jacek yum-cron(8)
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