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Full Discussion: Kill -9 -1 combination
Top Forums UNIX for Beginners Questions & Answers Kill -9 -1 combination Post 303040982 by alexcol on Monday 11th of November 2019 03:12:59 PM
Old 11-11-2019
Good afternnon:

Thank you very much all of you for your help

This is 1 of 4th web application node using apache as a webserver, and as a Production env it receives all the htpp traffic from internet throuh a load balancer called (F5 -A10) and by a java process called germ.jar open sockets to port 89xx (load balancer), so below is the information:

Code:
$ /bin/bash --version
GNU bash, version 4.2.46(2)-release (x86_64-redhat-linux-gnu)
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later

Code:
$ uname -a
Linux serverbam04.nh 4.1.12-124.15.2.el7uek.x86_64 #2 SMP Tue May 22 11:52:31 PDT 2018 x86_64 x86_64 x86_64 GNU/Linux

Code:
openjdk version "1.8.0_171"
OpenJDK Runtime Environment (build 1.8.0_171-b10)
OpenJDK 64-Bit Server VM (build 25.171-b10, mixed mode)

webserver apache

Code:
EE-plus-7.0.2/lib/openejb-javaagent.jar -Djdk.tls.ephemeralDHKeySize=2048 -Djava.protocol.handler.pkgs=org.apache.catalina.webresources -classpath /usr/share/tomEE-plus-7.0.2/bin/bootstrap.jar:/usr/share/tomEE-plus-7.0.2/bin/tomcat-juli.jar -Dcatalina.base=/usr/share/tomEE-plus-7.0.2 -Dcatalina.home=/usr/share/tomEE-plus-7.0.2 -Djava.io.tmpdir=/usr/share/tomEE-plus-7.0.2/temp org.apache.catalina.startup.Bootstrap start

The reason why i asked whad does kill -9 -1 does is because our web application provider suggested every time we shut down the app, i will have to run this command to make sure all session are cleaned, but i didnt know how powerful or dangerous this command will be

some time ago the user med has 1615 processes because a shell that runs every 5 minutes got stuck and blocked the node, and we contact aour System Administrator but these processes could never get killed and this node had to be started

Code:
med+ 32737     1  0 14:49 ?        00:00:00 /bin/bash /app/perm/backend/check_port_process/CHECK_PORT_PROCESS_MAIN.sh
 32742     1  0 13:15 ?        00:00:00 /bin/bash /app/perm/backend/check_port_process/CHECK_PORT_PROCESS_MAIN.sh
$ ps -fu med|wc -l
1615

kill command
Code:
ps -fu med | grep -v grep | awk '{print $2}' | xargs kill -9

Thanks again for your help
 

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LEARN ABOUT CENTOS

locale::codes::langfam

Locale::Codes::LangFam(3)				User Contributed Perl Documentation				 Locale::Codes::LangFam(3)

NAME

       Locale::Codes::LangFam - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangFam;

	  $lext = code2langfam('apa');		       # $lext gets 'Apache languages'
	  $code = langfam2code('Apache languages');    # $code gets 'apa'

	  @codes   = all_langfam_codes();
	  @names   = all_langfam_names();

DESCRIPTION

       The "Locale::Codes::LangFam" module provides access to standard codes used for identifying language families, such as those as defined in
       ISO 639-5.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 639-5
       language family codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language families. A code set may be specified using either a name, or a
       constant that is automatically exported by this module.

       For example, the two are equivalent:

	  $lext = code2langfam('apa','alpha');
	  $lext = code2langfam('apa',LOCALE_LANGFAM_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from ISO 639-5 such as 'apa' for Apache languages.

	   This is the default code set.

ROUTINES

       code2langfam ( CODE [,CODESET] )
       langfam2code ( NAME [,CODESET] )
       langfam_code2code ( CODE ,CODESET ,CODESET2 )
       all_langfam_codes ( [CODESET] )
       all_langfam_names ( [CODESET] )
       Locale::Codes::LangFam::rename_langfam  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangFam::add_langfam  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangFam::delete_langfam  ( CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangFam::delete_langfam_alias  ( NAME )
       Locale::Codes::LangFam::rename_langfam_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::delete_langfam_code_alias  ( CODE [,CODESET] )
	   These routines are all documented in the Locale::Codes::API man page.

SEE ALSO

       Locale::Codes
	   The Locale-Codes distribution.

       Locale::Codes::API
	   The list of functions supported by this module.

       http://www.loc.gov/standards/iso639-5/id.php
	   ISO 639-5 .

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2013 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.3							    2013-02-27						 Locale::Codes::LangFam(3)
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