Nagios Support Forum

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su - -s /bin/bash nagios '/usr/lib64/nagios/plugins/check_open_files.pl -w 85 -c 95'
echo $?

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su - nagios -c "/usr/lib64/nagios/plugins/check_open_files.pl -w 85 -c 95"
echo $?

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[root@dc01-cache-01 plugins]# ./check_open_files.pl -w 85 -c 95
OK: 928 open files (0% of max 1000000)|opened_files=928;850000;950000

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[root@dc01-cache-01 plugins]# su - -s /bin/bash nagios /usr/lib64/nagios/plugins/check_open_files.pl -w 85 -c 95
su: invalid option -- 'w'
Try `su --help' for more information.

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 su -l -s /bin/bash nagios /usr/lib64/nagios/plugins/check_open_files.pl
/usr/lib64/nagios/plugins/check_open_files.pl: line 3: use: command not found
/usr/lib64/nagios/plugins/check_open_files.pl: line 4: syntax error near unexpected token `('
/usr/lib64/nagios/plugins/check_open_files.pl: line 4: `use vars qw($opt_h $PROGNAME $opt_w $opt_c $opt_t $opt_vi $msg $state);'

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su -l -s /bin/bash nagios -c "which perl"
su -l -s /bin/bash nagios -c "perl --version"

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[root@dc01-cache-01 ~]# su -l -s /bin/bash nagios -c "which perl"
/usr/bin/perl
[root@dc01-cache-01 ~]# su -l -s /bin/bash nagios -c "perl --version"

This is perl, v5.10.1 (*) built for x86_64-linux-thread-multi

Copyright 1987-2009, Larry Wall

Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.

Complete documentation for Perl, including FAQ lists, should be found on
this system using "man perl" or "perldoc perl".  If you have access to the
Internet, point your browser at http://www.perl.org/, the Perl Home Page.

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usermod -s /bin/bash nagios
su nagios
/usr/lib64/nagios/plugins/check_open_files.pl -w 85 -c 95
echo $?

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[root@dc01-cache-01 ~]# usermod -s /bin/bash nagios
[root@dc01-cache-01 ~]# su nagios
bash-4.1$ /usr/lib64/nagios/plugins/check_open_files.pl -w 85 -c 95
Can't locate utils.pm in @INC (@INC contains: /usr/local/nagios/libexec /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at /usr/lib64/nagios/plugins/check_open_files.pl line 6.
BEGIN failed--compilation aborted at /usr/lib64/nagios/plugins/check_open_files.pl line 6.
bash-4.1$ echo

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rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
yum -y install nagios nagios-plugins-all nrpe 
chkconfig nagios on

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use Getopt::Long;
use vars qw($opt_h $PROGNAME $opt_w $opt_c $opt_t $opt_vi $msg $state);
 use lib "/usr/local/nagios/libexec";
use utils qw(%ERRORS &print_revision &support &usage );

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use lib "/usr/local/nagios/libexec";

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use lib "/usr/lib64/nagios/plugins/";

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[root@dc01-cache-01 ~]# su nagios
bash-4.1$ /usr/lib64/nagios/plugins/check_open_files.pl -w 85 -c 95
OK: 1408 open files (0% of max 1000000)|opened_files=1408;850000;950000
bash-4.1$ echo $?
0