Script to grep if 404 error got generated in the log files in last 5 minutes
I have a log file which are linked with prefix current date and suffix with IP_address.log 2020_04_22.shared_http_server.192.168.XX.XX.log
I want to monitor these logs at an interval of every 5 minutes. I am looking to schedule a script at an interval of every 5 minutes,in order to grep if 404 error got generated in the log files in last 5 minutes and send the lines of the logs which contains 404 error in different file.
I have written a script to get this done and i am using cron to run this script for every 5 min.Whenever the script runs, it reads the whole log file and throws all the lines of the logs which contains 404 error in different file.But, i want those lines of the logs containing 404 error message to be sent in different file which got generated in last 5 minutes.
Code:
find /home/pranav -type f -name "2020_04_22.shared_http_server.192.168.XX.XX.log" |while read file
do
RESULT=$(egrep "[^0](404)" $file)
if [[ ! -z $RESULT ]]
then
echo "Error(s) in $file on $HOSTNAME at "$(date)": $RESULT">> log_result.txt
fi
done
This script is able to grep the lines which contains 404 error message but i want those lines of the logs containing 404 error message to be sent in different file which got generated in last 5 minutes.
Could somebody help me on this what i'm i missing here?
Thank you in advance.
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###
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Discussion started by: richmaxw
4 Replies
LEARN ABOUT DEBIAN
atsadc
ATSADC(1) local ATSADC(1)NAME
atsadc, atsa1, atsaftp, atsahttp -- counter-collection
SYNOPSIS
atsadc [ t n ] [ ofile ]
atsa1 [ t n ]
atsaftp
atsahttp
DESCRIPTION
System activity-data can be gathered on special request of a user [see atsar(1) ] or automatically, on a routine basis, as described here.
Usually the kernel maintains statistical counters that are incremented as various system actions occur. These include counters for CPU uti-
lization, disk utilization, memory utilization and various network statistics.
The program atsadc and the shell-script atsa1 are used to collect, save, and process these counters.
The program atsadc (the data collector) samples system data n times with an interval of t seconds between samples, and writes in binary
format to ofile or (default) to standard output. The sampling interval t should be greater than 1 second. If t and n are omitted, a special
reset-record is written. This facility is used when booting to a multi-user state, to mark the time at which the counters restart from
zero. For example, the reset-mark can be added to the daily data by the command:
/usr/local/bin/atsadc /var/log/atsar/atsa`date +%d`
Note that this entry is written to the /etc/rc.d/init.d/atsar file.
The shell-script atsa1 is used to collect and store data in the binary file /var/log/atsar/atsadd where dd is the current day of the month.
The arguments t and n cause records to be written n times at an interval of t seconds, or once if omitted. Furthermore this script takes
care that log-files older than a week are removed once a day.
A file containing following entries should be added to the /etc/cron.d directory to produce records every 20 minutes during working hours
and hourly otherwise:
0 * * * 0-6 root /usr/local/bin/atsa1
20,40 8-17 * * 1-5 root /usr/local/bin/atsa1
See crontab(1) for details.
The shell-script atsaftp counts the new transfers registered in the FTP-logfile(s) since the previous time this script was activated; the
new counters are stored in the /var/log/atsar/ftpstat file in ASCII-format. The names of the FTP-logfiles to be watched are specified in
the /etc/atsar.conf configuration-file.
The shell-script atsahttp counts the new transfers registered in the HTTP-logfile(s) since the previous time this script was activated; the
new counters are stored in the /var/log/atsar/httpstat file in ASCII-format. The names of the HTTP-logfiles to be watched are specified in
the /etc/atsar.conf configuration-file.
Both scripts must be activated just before the program atsadc is started, which also collects these counters.
FILES
/var/log/atsar/atsadd
Daily data file, where dd are digits representing the day of the month.
SEE ALSO atsar(1), crontab(1)AUTHOR
Gerlof Langeveld, AT Computing (gerlof@ATComputing.nl)
AT Computing July 2004 ATSADC(1)