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Linux - How to make grep show the next line too [duplicate]
I am using grep to see a log of one of our systems.
When I type "cat server.log | grep PPHI245" it shows the output below:
But, when I type just "cat server.log" it shows the output below:
Look ...
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2
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Filter lines if number of string occurrence found?
Need to filter and show log lines, if line contains exactly 2 commas, and does not contains a specific string. Which linux command need I use, awk, grep, what is the expression?
For second condition ...
-1
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1
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560
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how to find a particular log from a server for one particular time and zip logs for only that time
I have got a command for the above question. Could anyone please explain me the below command?
DATE=`date +%m%d%Y-%H%M%S` ; for i in `ls -lt *.log* | grep "Oct 11" | grep -E '12:|13:|14:' | awk '{...
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3
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Check which string occurs first in a growing file
I'm running a remote executable which produces a logfile.
I want to write a script to check whether the executable is run successfully or encounters an error. The way I can do this is by looking at ...
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3
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297
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Grep for block surrounding an error message
I want to grep for the block of logs around a particular error message. Say I know my log looks like this:
[----] I, [2014-04-10T19:12:36.294512 #1910:e93004] INFO -- : Started GET "/ems_infra/new" ...
3
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4
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How to grep logfile via SSH on multiple servers?
Sometime, I need to find out specific log content(such as api call) from log files, those log files exists in several Linux servers.
I have to use SSH to login every server and use grep searching the ...