Running through the steps on this page: https://support.nagios.com/kb/article.php?id=9 led me to an error in the log file:
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/usr/local/nagios/var/perfdata.log.
That error message led me to this page: https://support.nagios.com/kb/article.php?id=149
Reading through that page looks like the script provided should also fix the issue I am encountering. Where I get stuck is installing the RRD::Simple module of CPAN.
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cpan -i RRD::Simple
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# Failed test 'graph() return hash (monthly)'
# at t/23graph1.t line 68.
# Compared $data->[0]
# got : 'bytesIn min -nan'
# expect : 'bytesIn min nan'
https://rt.cpan.org/Public/Bug/Display.html?id=78785
The fix on that page suggests that -nan is essentially the same as nan. So the patch is to just update the answer.pl file.
That fixed the above error, but I ran into another error identifying an issue with the value assigned to cur_row
This page had an answer to that: https://rt.cpan.org/Public/Bug/Display.html?id=46193
That fix led to another error with cdp_prep = undef but expected cdp_prep = 0.
At this point I had gone so far down the rabbit hole, that I think the real solution would be to upgrade something or install a missing module of some sort. I can't seem to find that answer though. Below is the version information.
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cpan -D RRD::Simple
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Database was generated on Wed, 28 Jul 2021 20:17:03 GMT
RRD::Simple
-------------------------------------------------------------------------
(no description)
N/NI/NICOLAW/RRD-Simple-1.44.tar.gz
(no installation file)
Installed: not installed
CPAN: 1.44 Not up to date
Nicola Worthington (NICOLAW)
nicolaw@cpan.org
Code: Select all
Summary of my perl5 (revision 5 version 26 subversion 3) configuration:
Platform:
osname=linux
osvers=4.19.34-300.el7.x86_64
archname=x86_64-linux-thread-multi
uname='linux x86-01.mbox.centos.org 4.19.34-300.el7.x86_64 #1 smp mon apr 15 18:04:36 utc 2019 x86_64 x86_64 x86_64 gnulinux '
config_args='-des -Doptimize=none -Dccflags=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -Dldflags=-Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Dccdlflags=-Wl,--enable-new-dtags -Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Dlddlflags=-shared -Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Dshrpdir=/usr/lib64 -DDEBUGGING=-g -Dversion=5.26.3 -Dmyhostname=localhost -Dperladmin=root@localhost -Dcc=gcc -Dcf_by=Red Hat, Inc. -Dprefix=/usr -Dvendorprefix=/usr -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl5 -Dsitearch=/usr/local/lib64/perl5 -Dprivlib=/usr/share/perl5 -Dvendorlib=/usr/share/perl5/vendor_perl -Darchlib=/usr/lib64/perl5 -Dvendorarch=/usr/lib64/perl5/vendor_perl -Darchname=x86_64-linux-thread-multi -Dlibpth=/usr/local/lib64 /lib64 /usr/lib64 -Duseshrplib -Dusethreads -Duseithreads -Dusedtrace=/usr/bin/dtrace -Duselargefiles -Dd_semctl_semun -Di_db -Ui_ndbm -Di_gdbm -Di_shadow -Di_syslog -Dman3ext=3pm -Duseperlio -Dinstallusrbinperl=n -Ubincompat5005 -Uversiononly -Dpager=/usr/bin/less -isr -Dd_gethostent_r_proto -Ud_endhostent_r_proto -Ud_sethostent_r_proto -Ud_endprotoent_r_proto -Ud_setprotoent_r_proto -Ud_endservent_r_proto -Ud_setservent_r_proto -Dscriptdir=/usr/bin -Dusesitecustomize -Duse64bitint'
hint=recommended
useposix=true
d_sigaction=define
useithreads=define
usemultiplicity=define
use64bitint=define
use64bitall=define
uselongdouble=undef
usemymalloc=n
default_inc_excludes_dot=define
bincompat5005=undef
Compiler:
cc='gcc'
ccflags ='-D_REENTRANT -D_GNU_SOURCE -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64'
optimize=' -g'
cppflags='-D_REENTRANT -D_GNU_SOURCE -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -fno-strict-aliasing -I/usr/local/include'
ccversion=''
gccversion='8.2.1 20180905 (Red Hat 8.2.1-3)'
gccosandvers=''
intsize=4
longsize=8
ptrsize=8
doublesize=8
byteorder=12345678
doublekind=3
d_longlong=define
longlongsize=8
d_longdbl=define
longdblsize=16
longdblkind=3
ivtype='long'
ivsize=8
nvtype='double'
nvsize=8
Off_t='off_t'
lseeksize=8
alignbytes=8
prototype=define
Linker and Libraries:
ld='gcc'
ldflags ='-Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -fstack-protector-strong -L/usr/local/lib'
libpth=/usr/local/lib64 /lib64 /usr/lib64 /usr/local/lib /usr/lib /lib/../lib64 /usr/lib/../lib64 /lib
libs=-lpthread -lresolv -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
perllibs=-lpthread -lresolv -ldl -lm -lcrypt -lutil -lc
libc=libc-2.28.so
so=so
useshrplib=true
libperl=libperl.so
gnulibc_version='2.28'
Dynamic Linking:
dlsrc=dl_dlopen.xs
dlext=so
d_dlsymun=undef
ccdlflags='-Wl,--enable-new-dtags -Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld'
cccdlflags='-fPIC'
lddlflags='-lpthread -shared -Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -L/usr/local/lib -fstack-protector-strong'
Characteristics of this binary (from libperl):
Compile-time options:
HAS_TIMES
MULTIPLICITY
PERLIO_LAYERS
PERL_COPY_ON_WRITE
PERL_DONT_CREATE_GVSV
PERL_IMPLICIT_CONTEXT
PERL_MALLOC_WRAP
PERL_OP_PARENT
PERL_PRESERVE_IVUV
USE_64_BIT_ALL
USE_64_BIT_INT
USE_ITHREADS
USE_LARGE_FILES
USE_LOCALE
USE_LOCALE_COLLATE
USE_LOCALE_CTYPE
USE_LOCALE_NUMERIC
USE_LOCALE_TIME
USE_PERLIO
USE_PERL_ATOF
USE_REENTRANT_API
USE_SITECUSTOMIZE
Locally applied patches:
Fedora Patch1: Removes date check, Fedora/RHEL specific
Fedora Patch3: support for libdir64
Fedora Patch4: use libresolv instead of libbind
Fedora Patch5: USE_MM_LD_RUN_PATH
Fedora Patch6: Provide MM::maybe_command independently (bug #1129443)
Fedora Patch7: Dont run one io test due to random builder failures
Fedora Patch15: Define SONAME for libperl.so
Fedora Patch16: Install libperl.so to -Dshrpdir value
Fedora Patch22: Document Math::BigInt::CalcEmu requires Math::BigInt (CPAN RT#85015)
Fedora Patch26: Make *DBM_File desctructors thread-safe (RT#61912)
Fedora Patch27: Make PadlistNAMES() lvalue again (CPAN RT#101063)
Fedora Patch30: Replace EU::MakeMaker dependency with EU::MM::Utils in IPC::Cmd (bug #1129443)
Fedora Patch31: Make File::Glob more resistant against degenerative matching (RT#131211)
Fedora Patch36: Fix glob UTF-8 flag on a glob reassignment (RT#131263)
Fedora Patch38: Fix handling backslashes in PATH environment variable when executing "perl -S" (RT#129183)
Fedora Patch45: Fix File::Glob rt131211.t test random failures
Fedora Patch46: Fix t/op/hash.t test random failures
Fedora Patch47: Parse caret variables with subscripts as normal variables inside ${...} escaping (RT#131664)
Fedora Patch49: Do not display too many bytes when reporting malformed UTF-8 character
Fedora Patch51: Fix error message for "our sub foo::bar" (RT#131679)
Fedora Patch52: Fix executing arybase::_tie_it() in Safe compartement (RT#131588)
Fedora Patch54: Fix splitting non-ASCII strings if unicode_strings feature is enabled (RT#130907)
Fedora Patch55: Fix compiler warnings in code generated by ExtUtils::Constant (CPAN RT#63832)
Fedora Patch56: Fix compiler warnings in code generated by ExtUtils::Constant (CPAN RT#101487)
Fedora Patch58: Fix unreliable Time-HiRes tests (CPAN RT#122819)
Fedora Patch61: Fix Term::ReadLine not to create spurious &STDERR files (RT#132008)
Fedora Patch64: Fix an overflow when parsing a character range with no preceding character (RT#132245)
Fedora Patch65: Fix walking symbol table for ISA in Carp
Fedora Patch66: Fix handling file names with null bytes in stat and lstat functions (RT#131895)
Fedora Patch67: Fix a crash when untying an object witout a stash
Fedora Patch68: Fix deparsing of transliterations with unprintable characters (RT#132405)
Fedora Patch69: Fix error reporting on do() on a directory (RT#125774)
Fedora Patch70: Fix stack manipulation when a lexical subroutine is defined in a do block in a member of an iteration list (RT#132442)
Fedora Patch71: Fix setting $! when statting a closed filehandle (RT#108288)
Fedora Patch72: Fix tainting of s/// with overloaded replacement (RT#115266)
Fedora Patch73: Expand system() arguments before a fork (RT#121105)
Fedora Patch76: Avoid undefined behavior when copying memory in Glob and pp_caller (RT#131746)
Fedora Patch78: Fix compatibility with libxcrypt (RT#133184)
Fedora Patch79: Link XS modules to pthread library to fix linking with -z defs
Fedora Patch80: Fix parsing braced subscript after parentheses (RT#8045)
Fedora Patch81: Do not clobber file bytes in :encoding layer (RT#132833)
Fedora Patch82: Fix line numbers in multi-line s/// (RT#131930)
Fedora Patch83: Fix parsing extended bracketed character classes (RT#132167)
Fedora Patch84: Fix a possibly unitialized memory read in the Perl parser (RT#133074)
Fedora Patch85: Fix an infinite loop in the regular expression compiler (RT#133185)
Fedora Patch86: Adjust tests to gdbm-1.15 (RT#133295)
Fedora Patch88: Fix printing a warning about a wide character when matching a regular expression while ISO-8859-1 locale is in effect
Fedora Patch89: Fix invoking a check for wide characters while ISO-8859-1 locale is in effect
Fedora Patch90: Pass the correct CFLAGS to dtrace
Fedora Patch200: Link XS modules to libperl.so with EU::CBuilder on Linux
Fedora Patch201: Link XS modules to libperl.so with EU::MM on Linux
Built under linux
Compiled at May 11 2019 15:17:55
@INC:
/usr/local/lib64/perl5
/usr/local/share/perl5
/usr/lib64/perl5/vendor_perl
/usr/share/perl5/vendor_perl
/usr/lib64/perl5
/usr/share/perl5