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Retrieve logs for last 4 hours

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Top Forums Shell Programming and Scripting Retrieve logs for last 4 hours
# 8  
Old 11-22-2010
The code below should work(NOT tested).
Code:
ssh user@IP /bin/bash <<\EOF 
	awk ' BEGIN{f=0} !f { s=$0; sub(/,.+/, "", s); gsub(/[-: ]/, " ", s); t=(systime()-mktime(s)); if(t<=14400) f=1 } f ' /home/user/log.txt
EOF >> erroroutput.txt

# 9  
Old 11-23-2010
Thanks kevin.It worked with some modifications.
Code:
ssh user@IP /bin/bash  <<\EOF
awk ' BEGIN{f=0} !f { s=$0; sub(/,.+/, "", s); gsub(/[-: ]/, " ", s); t=(systime()-mktime(s)); if(t<=14400) f=1 } f ' home/user/log.txt >  erroroutput.txt
EOF

But errorOutput.txt is getting created in the remote server and not in our local server.

Moderator's Comments:
Mod Comment Please use code tags
Last edited by Scott; 11-23-2010 at 09:01 AM.. Reason: Code tags, please...
# 10  
Old 11-23-2010
You put "> erroroutput.txt" inside the EOF pair, so erroroutput.txt is supposed to be created on remote server.
Actually you can save the code in the following in a file, let's name it, fetch_log.sh
Code:
ssh user@IP /bin/bash <<\EOF 
	awk ' BEGIN{f=0} !f { s=$0; sub(/,.+/, "", s); gsub(/[-: ]/, " ", s); t=(systime()-mktime(s)); if(t<=14400) f=1 } f ' /home/user/log.txt
EOF

make it an executable from shell chmod +x fetch_log.sh, and you run ./fetch_log.sh > erroroutput.txt, I think this should satisfy your requirements.
# 11  
Old 11-23-2010
We are remoting to six different servers,so the error file is getting created in these 6 servers.We need to append all these into a single file in our local machine so that we can mail it.So we are using a single shell script with for loop to login to 6 servers.So your redirection on the call of the script might not work here.
# 12  
Old 11-23-2010
Quote:
Originally Posted by Deepthz
We are remoting to six different servers,so the error file is getting created in these 6 servers.We need to append all these into a single file in our local machine so that we can mail it.So we are using a single shell script with for loop to login to 6 servers.So your redirection on the call of the script might not work here.
That is not an issue, just use ">>" instead of ">".
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