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Top Forums UNIX for Beginners Questions & Answers Script to grep if 404 error got generated in the log files in last 5 minutes Post 303046108 by Pranav_31 on Friday 24th of April 2020 01:20:18 AM
Old 04-24-2020
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.

Last edited by rbatte1; 04-30-2020 at 04:26 PM..
 

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grablogs.conf(4)						   File Formats 						  grablogs.conf(4)

NAME
grablogs.conf - grablogs configuration for libgrablogs.so of the plugins of gnome-system-log file SYNOPSIS
/usr/lib/gnome-system-log/plugins/grablogs.conf DESCRIPTION
The libgrablogs.so is a plugin for gnome-system-log(1), it colloct the log files from the system as many as possible. grablogs.conf is a configuration file that contains a set of lines mixed with sh(1) syntax codes and individual log files. libgrablogs.so will read the file try to get a log files list for gnome-system-log(1). Users can copy the file into $HOME/.gnome2/gnome-system-log/plugins/`uname -p` to overwrite the system default one. The grablogs.conf file contains the following configuration categories: [configs] Each line under this category is interpreted as a config file of System. The plugin will open the config file and try to find all system paths of the logs. [commands] Each line under this category is interpreted as a shell command and will be execute through a pipe. And each line of the out- put of the command will be interpreted as a log path. [logs] Each line under this category is interpreted as a log path. FILES
/usr/lib/gnome-system-log/plugins/grablogs.conf The system default configuration file for the plugin libgrablogs.so $HOME/.gnome2/gnome-system-log/plugins/`uname -p`/grablogs.conf The user specific configuration file for the plugin libgrablogs.so EMAMPLE
[configs] /etc/syslog.conf [commands] for i in `svcs -aH -o FMRI | grep -v lrc `; do svcprop -p restarter/logfile $i 2>/dev/null || svcprop -q -p restarter/alt_logfile $i 2>/dev/null ; done [logs] /var/log/messages /var/log/secure /var/log/maillog /var/log/cron /var/log/Xorg.0.log /var/log/XFree86.0.log /var/log/auth.log /var/log/cups/error_log SEE ALSO
gnome-system-log(1), pipelog.conf(1) gnome-utils 2.16.0 13 Oct 2006 grablogs.conf(4)
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