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Top Forums UNIX for Beginners Questions & Answers Shell script for continuously monitoring log file Post 303036063 by scazed on Thursday 13th of June 2019 10:57:29 AM
Old 06-13-2019
Shell script for continuously monitoring log file

Hi
I have written below log monitoring script to egrep multiple words and redirect the output to a text file and its working fine but I want to add some more below given functionality to it, which is very advance and im not very good in it, so please help if you can Smilie
  1. I am egrepping all the error codes, so I want rather than egrepping all error codes, I should grep for HTTP/1.1 200 which is successful code and which ever line does not have this redirects output to output file.
  2. ignore any line which has /akamai/sureroute
  3. right now I am using cron to run this script every 5 min, so my script will send the same error again and again, so I want the script not to send the same error more than 3 times. (based on the time stamp).
  4. for e.g. if server goes down I do not want 1000's error messages, so if there are more than 100 error messages, script should send only 1 mail.
=====================================

Code:
find /home/bharat/ -type f -name "apache_logs.txt" |while read file
  do
    RESULT=$(egrep "[^0](400|401|403|404|405|406|407|408|409|410|411|412|413|414|415|416|417|418|422|425|426|428|429|431|451|500|501|502|503|504|505|511)" $file)
      if [[ ! -z $RESULT ]]
         then
            echo "Error(s) in $file on $HOSTNAME at "$(date)": $RESULT">> email_result.txt
     fi
  done


Last edited by rbatte1; 06-18-2019 at 09:24 AM..
 

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HTTP::Status(3) 					User Contributed Perl Documentation					   HTTP::Status(3)

NAME
HTTP::Status - HTTP Status code processing SYNOPSIS
use HTTP::Status qw(:constants :is status_message); if ($rc != HTTP_OK) { print status_message($rc), " "; } if (is_success($rc)) { ... } if (is_error($rc)) { ... } if (is_redirect($rc)) { ... } DESCRIPTION
HTTP::Status is a library of routines for defining and classifying HTTP status codes for libwww-perl. Status codes are used to encode the overall outcome of an HTTP response message. Codes correspond to those defined in RFC 2616 and RFC 2518. CONSTANTS
The following constant functions can be used as mnemonic status code names. None of these are exported by default. Use the ":constants" tag to import them all. HTTP_CONTINUE (100) HTTP_SWITCHING_PROTOCOLS (101) HTTP_PROCESSING (102) HTTP_OK (200) HTTP_CREATED (201) HTTP_ACCEPTED (202) HTTP_NON_AUTHORITATIVE_INFORMATION (203) HTTP_NO_CONTENT (204) HTTP_RESET_CONTENT (205) HTTP_PARTIAL_CONTENT (206) HTTP_MULTI_STATUS (207) HTTP_ALREADY_REPORTED (208) HTTP_MULTIPLE_CHOICES (300) HTTP_MOVED_PERMANENTLY (301) HTTP_FOUND (302) HTTP_SEE_OTHER (303) HTTP_NOT_MODIFIED (304) HTTP_USE_PROXY (305) HTTP_TEMPORARY_REDIRECT (307) HTTP_BAD_REQUEST (400) HTTP_UNAUTHORIZED (401) HTTP_PAYMENT_REQUIRED (402) HTTP_FORBIDDEN (403) HTTP_NOT_FOUND (404) HTTP_METHOD_NOT_ALLOWED (405) HTTP_NOT_ACCEPTABLE (406) HTTP_PROXY_AUTHENTICATION_REQUIRED (407) HTTP_REQUEST_TIMEOUT (408) HTTP_CONFLICT (409) HTTP_GONE (410) HTTP_LENGTH_REQUIRED (411) HTTP_PRECONDITION_FAILED (412) HTTP_REQUEST_ENTITY_TOO_LARGE (413) HTTP_REQUEST_URI_TOO_LARGE (414) HTTP_UNSUPPORTED_MEDIA_TYPE (415) HTTP_REQUEST_RANGE_NOT_SATISFIABLE (416) HTTP_EXPECTATION_FAILED (417) HTTP_I_AM_A_TEAPOT (418) HTTP_UNPROCESSABLE_ENTITY (422) HTTP_LOCKED (423) HTTP_FAILED_DEPENDENCY (424) HTTP_NO_CODE (425) HTTP_UPGRADE_REQUIRED (426) HTTP_PRECONDITION_REQUIRED (428) HTTP_TOO_MANY_REQUESTS (429) HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE (431) HTTP_RETRY_WITH (449) HTTP_INTERNAL_SERVER_ERROR (500) HTTP_NOT_IMPLEMENTED (501) HTTP_BAD_GATEWAY (502) HTTP_SERVICE_UNAVAILABLE (503) HTTP_GATEWAY_TIMEOUT (504) HTTP_HTTP_VERSION_NOT_SUPPORTED (505) HTTP_VARIANT_ALSO_NEGOTIATES (506) HTTP_INSUFFICIENT_STORAGE (507) HTTP_BANDWIDTH_LIMIT_EXCEEDED (509) HTTP_NOT_EXTENDED (510) HTTP_NETWORK_AUTHENTICATION_REQUIRED (511) FUNCTIONS
The following additional functions are provided. Most of them are exported by default. The ":is" import tag can be used to import all the classification functions. status_message( $code ) The status_message() function will translate status codes to human readable strings. The string is the same as found in the constant names above. If the $code is unknown, then "undef" is returned. is_info( $code ) Return TRUE if $code is an Informational status code (1xx). This class of status code indicates a provisional response which can't have any content. is_success( $code ) Return TRUE if $code is a Successful status code (2xx). is_redirect( $code ) Return TRUE if $code is a Redirection status code (3xx). This class of status code indicates that further action needs to be taken by the user agent in order to fulfill the request. is_error( $code ) Return TRUE if $code is an Error status code (4xx or 5xx). The function returns TRUE for both client and server error status codes. is_client_error( $code ) Return TRUE if $code is a Client Error status code (4xx). This class of status code is intended for cases in which the client seems to have erred. This function is not exported by default. is_server_error( $code ) Return TRUE if $code is a Server Error status code (5xx). This class of status codes is intended for cases in which the server is aware that it has erred or is incapable of performing the request. This function is not exported by default. BUGS
For legacy reasons all the "HTTP_" constants are exported by default with the prefix "RC_". It's recommended to use explicit imports and the ":constants" tag instead of relying on this. perl v5.18.2 2012-02-16 HTTP::Status(3)
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