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Error while running a script through cron job

 
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Top Forums UNIX for Dummies Questions & Answers Error while running a script through cron job
# 8  
Old 03-17-2014
You have to capture stderr in a file to see the log.
# 9  
Old 03-17-2014
Please find the output
Code:
++ export PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/sar
++ PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/sar
++ ADMIN=abc@abc.com
+++ /usr/bin/sar
+++ /usr/bin/awk '{print $9}'
+++ /bin/sort -n
+++ /usr/bin/head -5
+++ /bin/sed -n 5p
++ CPU_HIGH=
+++ echo 'scale=3; 100-'
+++ /usr/bin/bc
(standard_in) 2: parse error
++ CPU_MAX=
+++ /usr/bin/sar
+++ awk '{print $9}'
+++ sort -n
+++ tail -1
++ CPU_LOW=
+++ echo 'scale=3; 100-'
+++ /usr/bin/bc
(standard_in) 2: parse error
++ CPU_MIN=
+++ awk '{print $2}'
++++ date +%d-%B-%Y
+++ sort -n
+++ tail -1
+++ cat /root/admin_files/server_monitor/datewise_monitor/ram_monitor-17-March-2014
++ MEM_MAX=12.200
+++ awk '{print $2}'
++++ date +%d-%B-%Y
+++ sort -n
+++ head -1
+++ cat /root/admin_files/server_monitor/datewise_monitor/ram_monitor-17-March-2014
++ MEM_MIN=11.800
+++ date +-%Y-%m-%d-%H:%M:%S
++ now=-2014-03-17-18:20:01
++ file=utilization_-2014-03-17-18:20:01.log
++ filename=/root/admin_files/server_monitor/datewise_monitor/utilization_-2014-03-17-18:20:01.log
+++ date
+++ hostname
++ echo 'Mon Mar 17 18:20:01 GMT 2014: Memory Utilization Report for server mmv0pfecdel0070 is'
++ echo -----------------------------------
++ echo '                                   '
++ echo 'CPU Max Utilization :   %  '
++ echo 'CPU Min Utilization  :   % '
++ echo '                                   '
++ echo 'Max Ram Utilization :  12.200 %  '
++ echo 'Min Ram Utilization  :  11.800 % '
++ cat /root/admin_files/server_monitor/datewise_monitor/utilization_-2014-03-17-18:20:01.log
+++ date +%d-%B-%Y
+++ hostname
+++ ifconfig eth0
+++ sed -n '/inet /{s/.*addr://;s/ .*//;p}'
++ mail -s '17-March-2014: CPU & Memory Summarization Report for server mmv0pfecdel0070 : 10.129.192.198 ' abc@abc.com
++ sar
+++ date +-%d-%B-%Y
++ sar -r
+++ date +-%d-%B-%Y

---------- Post updated at 01:45 PM ---------- Previous update was at 01:44 PM ----------

The same code is working when running manually.

---------- Post updated at 02:34 PM ---------- Previous update was at 01:45 PM ----------

i guess there is an issue when using bc in the crontab.
Last edited by Franklin52; 03-18-2014 at 04:02 AM.. Reason: Please use code tags
# 10  
Old 03-17-2014
It is not the problem with bc.

The problem is sar output is different when running from cron and from command line.

From command line:
Code:
12:00:01 AM     CPU     %user     %nice   %system   %iowait    %steal     %idle
12:10:01 AM     all     51.22      0.01      6.16      0.23      0.00     42.37

From crontab:
Code:
00:00:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
00:10:01        all     51.22      0.01      6.16      0.23      0.00     42.37

Set LC_TIME before running sar to display AM/PM data:
Code:
LC_TIME=en_US.UTF-8 sar

# 11  
Old 03-17-2014
One question :

1) what if instead of awk'{print $9}' i try using awk'{print $8}'

2) Will adding the line
LC_TIME=en_US.UTF-8 in the beginning of the script will suffice??
# 12  
Old 03-17-2014
Yes, you can try awk'{print $8}' instead. But then it will not work from command line.

So the best approach is to set LC_TIME and it will work either way.
# 13  
Old 03-17-2014
so i need to add LC_TIME in the beginning of the script??
# 14  
Old 03-17-2014
Quote:
Originally Posted by Ekamjot
so i need to add LC_TIME in the beginning of the script??
Yes
Code:
export LC_TIME=en_US.UTF-8

 
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