Here's a part of the output from command :
I can send the complete log files to other Nagios employee aswell
Here's a part of the output from that might be interesting:
NagiosXI 5.6.14 - before upgrade
Sep 22 12:23:23 servername nagios[31737]: Successfully launched command file worker with pid 31915
Sep 22 12:24:30 servername check_nrpe[683]: Remote "IPADDRESS" does not support Version 3 Packets
Sep 22 12:24:30 servername check_nrpe[683]: Remote "IPADDRESS" accepted a Version 2 Packet
Sep 22 12:26:26 servername sudo[2802]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:26:26 servername sudo[2802]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:26:26 servername sudo[2802]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status httpd
Sep 22 12:26:31 servername sudo[2863]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:26:31 servername sudo[2863]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:26:31 servername sudo[2863]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status crond
Sep 22 12:26:31 servername sudo[2873]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:26:31 servername sudo[2873]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:26:31 servername sudo[2873]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status mysqld
Sep 22 12:26:31 servername check_nrpe[2888]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:26:31 servername check_nrpe[2888]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:26:48 servername sudo[3343]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:26:48 servername sudo[3343]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:26:48 servername sudo[3343]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status ndo2db
Sep 22 12:27:23 servername check_nrpe[5917]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:27:23 servername check_nrpe[5917]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:27:28 servername systemd[1]: Stopping Nagios Core 4.4.5...
Sep 22 12:27:28 servername nagios[31737]: Caught SIGTERM, shutting down...
Sep 22 12:27:28 servername nagios[31737]: Caught SIGTERM, shutting down...
Sep 22 12:27:28 servername nagios[31915]: Caught SIGTERM, shutting down...
Sep 22 12:27:28 servername nagios[31737]: Successfully shutdown... (PID=31737)
Sep 22 12:27:28 servername nagios[31737]: ndomod: Shutdown complete.
Sep 22 12:27:28 servername nagios[31737]: Event broker module '/usr/local/nagios/bin/ndomod.o' deinitialized successfully.
Sep 22 12:27:28 servername systemd[1]: Stopped Nagios Core 4.4.5.
Sep 22 12:27:28 servername systemd[1]: Starting Nagios Core 4.4.5...
Sep 22 12:27:28 servername nagios[6265]: Nagios Core 4.4.6
Sep 22 12:27:28 servername nagios[6265]: Copyright (c) 2009-present Nagios Core Development Team and Community Contributors
Sep 22 12:27:28 servername nagios[6265]: Copyright (c) 1999-2009 Ethan Galstad
Sep 22 12:27:28 servername nagios[6265]: Last Modified: 2020-04-28
Sep 22 12:27:28 servername nagios[6265]: License: GPL
Sep 22 12:27:28 servername nagios[6265]: Website:
https://www.nagios.org
Sep 22 12:27:28 servername nagios[6265]: Reading configuration data...
Sep 22 12:27:28 servername nagios[6265]: Read main config file okay...
Sep 22 12:27:28 servername nagios[6265]: Warning: Duplicate definition found for service 'SERVICE' on host 'HOST' (config file '/usr/local/nagios/etc/services/HOST.cfg', starting on line 16)
Sep 22 12:27:28 servername nagios[6265]: Read object config files okay...
Sep 22 12:27:28 servername nagios[6265]: Running pre-flight check on configuration data...
Sep 22 12:27:28 servername nagios[6265]: Checking objects...
Sep 22 12:27:28 servername systemd[1]: Started Nagios Core 4.4.5.
Sep 22 12:27:28 servername nagios[6270]: Nagios 4.4.6 starting... (PID=6270)
Sep 22 12:27:28 servername nagios[6270]: Local time is Wed Sep 22 12:27:28 CEST 2021
Sep 22 12:27:28 servername nagios[6270]: LOG VERSION: 2.0
Sep 22 12:27:28 servername nagios[6270]: qh: Socket '/usr/local/nagios/var/rw/nagios.qh' successfully initialized
Sep 22 12:27:28 servername nagios[6270]: qh: core query handler registered
Sep 22 12:27:28 servername nagios[6270]: qh: echo service query handler registered
Sep 22 12:27:28 servername nagios[6270]: qh: help for the query handler registered
Sep 22 12:27:28 servername nagios[6270]: wproc: Successfully registered manager as @wproc with query handler
Sep 22 12:27:28 servername nagios[6270]: wproc: Registry request: name=Core Worker 6272;pid=6272
Sep 22 12:27:28 servername nagios[6270]: wproc: Registry request: name=Core Worker 6273;pid=6273
Sep 22 12:27:28 servername nagios[6270]: wproc: Registry request: name=Core Worker 6271;pid=6271
Sep 22 12:27:28 servername nagios[6265]: Checked 2049 services.
Sep 22 12:27:28 servername nagios[6270]: wproc: Registry request: name=Core Worker 6274;pid=6274
Sep 22 12:27:28 servername nagios[6270]: wproc: Registry request: name=Core Worker 6275;pid=6275
Sep 22 12:27:28 servername nagios[6270]: wproc: Registry request: name=Core Worker 6276;pid=6276
Sep 22 12:27:28 servername nagios[6270]: ndomod: NDOMOD 2.1.3 (2017-04-13) Copyright (c) 2009 Nagios Core Development Team and Community Contributors
Sep 22 12:27:28 servername nagios[6270]: ndomod: Successfully connected to data sink. 0 queued items to flush.
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for process data
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for log data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for system command data'
Sep 22 12:27:28 servername nagios[6265]: Checked 822 hosts.
Sep 22 12:27:28 servername nagios[6265]: Checked 33 host groups.
Sep 22 12:27:28 servername nagios[6265]: Checked 25 service groups.
Sep 22 12:27:28 servername nagios[6265]: Checked 40 contacts.
Sep 22 12:27:28 servername nagios[6265]: Checked 60 contact groups.
Sep 22 12:27:28 servername nagios[6265]: Checked 151 commands.
Sep 22 12:27:28 servername nagios[6265]: Checked 48 time periods.
Sep 22 12:27:28 servername nagios[6265]: Checked 0 host escalations.
Sep 22 12:27:28 servername nagios[6265]: Checked 0 service escalations.
Sep 22 12:27:28 servername nagios[6265]: Checking for circular paths...
Sep 22 12:27:28 servername nagios[6265]: Checked 822 hosts
Sep 22 12:27:28 servername nagios[6265]: Checked 0 service dependencies
Sep 22 12:27:28 servername nagios[6265]: Checked 0 host dependencies
Sep 22 12:27:28 servername nagios[6265]: Checked 48 timeperiods
Sep 22 12:27:28 servername nagios[6265]: Checking global event handlers...
Sep 22 12:27:28 servername nagios[6265]: Checking obsessive compulsive processor commands...
Sep 22 12:27:28 servername nagios[6265]: Checking misc settings...
Sep 22 12:27:28 servername nagios[6265]: Total Warnings: 440
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for event handler data'
Sep 22 12:27:28 servername nagios[6265]: Total Errors: 0
Sep 22 12:27:28 servername nagios[6265]: Things look okay - No serious problems were detected during the pre-flight check
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for notification data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for comment data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for downtime data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for flapping data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for program status data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for host status data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for service status data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for adaptive program data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for adaptive host data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for adaptive service data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for external command data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for aggregated status data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for retention data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for contact data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for contact notification data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for acknowledgement data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for state change data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for contact status data'
Sep 22 12:27:28 servername nagios[6270]: ndomod registered for adaptive contact data'
Sep 22 12:27:28 servername nagios[6270]: Event broker module '/usr/local/nagios/bin/ndomod.o' initialized successfully.
Sep 22 12:27:43 servername nagios[6270]: Successfully launched command file worker with pid 6623
Sep 22 12:27:50 servername nagios[6270]: SERVICE ALERT: localhost;Current Load;WARNING;SOFT;1;WARNING - load average: 8.13, 2.53, 1.23
Sep 22 12:28:49 servername nagios[6270]: SERVICE ALERT: localhost;Current Load;OK;SOFT;2;OK - load average: 3.34, 2.14, 1.17
Below here nagios service fails to start, I belive this is after / under upgrade ? Nagios Core 4.4.6 is starting on timestamp 12:27:28 also.
Sep 22 12:29:28 servername check_nrpe[8517]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:29:28 servername check_nrpe[8517]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:31:25 servername sudo[10471]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:31:25 servername sudo[10471]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:31:25 servername sudo[10471]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status httpd
Sep 22 12:31:28 servername check_nrpe[10541]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:31:28 servername check_nrpe[10541]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:31:28 servername sudo[10545]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:31:28 servername sudo[10545]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:31:28 servername sudo[10545]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status crond
Sep 22 12:31:28 servername sudo[10555]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:31:28 servername sudo[10555]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:31:28 servername sudo[10555]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status mysqld
Sep 22 12:31:46 servername sudo[10822]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:31:46 servername sudo[10822]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:31:46 servername sudo[10822]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status ndo2db
Sep 22 12:32:30 servername check_nrpe[11510]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:32:30 servername check_nrpe[11510]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:34:26 servername check_nrpe[13529]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:34:26 servername check_nrpe[13529]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:36:23 servername sudo[15488]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:36:23 servername sudo[15488]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:36:23 servername sudo[15488]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status httpd
Sep 22 12:36:27 servername check_nrpe[15549]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:36:27 servername check_nrpe[15549]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:36:27 servername sudo[15553]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:36:27 servername sudo[15553]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:36:27 servername sudo[15553]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status crond
Sep 22 12:36:28 servername sudo[15558]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:36:28 servername sudo[15558]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:36:28 servername sudo[15558]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status mysqld
Sep 22 12:36:47 servername sudo[15835]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:36:47 servername sudo[15835]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:36:47 servername sudo[15835]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status ndo2db
Sep 22 12:37:26 servername check_nrpe[16476]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:37:26 servername check_nrpe[16476]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:39:25 servername check_nrpe[18515]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:39:25 servername check_nrpe[18515]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:41:22 servername sudo[20515]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:41:22 servername sudo[20515]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:41:22 servername sudo[20515]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status httpd
Sep 22 12:41:26 servername sudo[20566]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:41:26 servername sudo[20566]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:41:26 servername sudo[20566]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status crond
Sep 22 12:41:27 servername check_nrpe[20580]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:41:27 servername check_nrpe[20580]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:41:27 servername sudo[20591]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:41:27 servername sudo[20591]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:41:27 servername sudo[20591]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status mysqld
Sep 22 12:41:46 servername sudo[20866]: PAM unable to dlopen(/usr/lib64/security/pam_krb5.so): /usr/lib64/security/pam_krb5.so: cannot open shared object file: No such file or directory
Sep 22 12:41:46 servername sudo[20866]: PAM adding faulty module: /usr/lib64/security/pam_krb5.so
Sep 22 12:41:46 servername sudo[20866]: nagios : TTY=unknown ; PWD=/tmp ; USER=root ; COMMAND=/usr/local/nagiosxi/scripts/manage_services.sh status ndo2db
Sep 22 12:42:23 servername check_nrpe[21523]: Remote "IPADDRESS" does not support version 3/4 packets
Sep 22 12:42:23 servername check_nrpe[21523]: Remote "IPADDRESS" accepted a version 2 packet
Sep 22 12:43:04 servername systemd[1]: Stopping Nagios Core 4.4.6...
Sep 22 12:43:04 servername nagios[6270]: Caught SIGTERM, shutting down...
Sep 22 12:43:04 servername nagios[6270]: Caught SIGTERM, shutting down...
Sep 22 12:43:04 servername nagios[6623]: Caught SIGTERM, shutting down...
Sep 22 12:43:04 servername nagios[6270]: Successfully shutdown... (PID=6270)
Sep 22 12:43:04 servername nagios[6270]: ndomod: Shutdown complete.
Sep 22 12:43:04 servername nagios[6270]: Event broker module '/usr/local/nagios/bin/ndomod.o' deinitialized successfully.
Sep 22 12:43:04 servername systemd[1]: Stopped Nagios Core 4.4.6.
Sep 22 12:43:04 servername systemd[1]: Starting Nagios Core 4.4.6...
Sep 22 12:43:04 servername nagios[22363]: Nagios Core 4.4.6
Sep 22 12:43:04 servername nagios[22363]: Copyright (c) 2009-present Nagios Core Development Team and Community Contributors
Sep 22 12:43:04 servername nagios[22363]: Copyright (c) 1999-2009 Ethan Galstad
Sep 22 12:43:04 servername nagios[22363]: Last Modified: 2020-04-28
Sep 22 12:43:04 servername nagios[22363]: License: GPL
Sep 22 12:43:04 servername nagios[22363]: Website:
https://www.nagios.org
Sep 22 12:43:04 servername nagios[22363]: Reading configuration data...
Sep 22 12:43:04 servername nagios[22363]: Read main config file okay...
Sep 22 12:47:15 servername nagios[24331]: Checked 822 hosts.
Sep 22 12:47:15 servername nagios[24331]: Checked 33 host groups.
Sep 22 12:47:15 servername nagios[24331]: Checked 25 service groups.
Sep 22 12:47:15 servername nagios[24331]: Checked 40 contacts.
Sep 22 12:47:15 servername nagios[24331]: Checked 60 contact groups.
Sep 22 12:47:15 servername nagios[24331]: Checked 151 commands.
Sep 22 12:47:15 servername nagios[24331]: Checked 48 time periods.
Sep 22 12:47:15 servername nagios[24331]: Checked 0 host escalations.
Sep 22 12:47:15 servername nagios[24331]: Checked 0 service escalations.
Sep 22 12:47:15 servername nagios[24331]: Checking for circular paths...
Sep 22 12:47:15 servername nagios[24331]: Checked 822 hosts
Sep 22 12:47:15 servername nagios[24331]: Checked 0 service dependencies
Sep 22 12:47:15 servername nagios[24331]: Checked 0 host dependencies
Sep 22 12:47:15 servername nagios[24331]: Checked 48 timeperiods
Sep 22 12:47:15 servername nagios[24331]: Checking global event handlers...
Sep 22 12:47:15 servername nagios[24331]: Checking obsessive compulsive processor commands...
Sep 22 12:47:15 servername nagios[24331]: Checking misc settings...
Sep 22 12:47:15 servername nagios[24331]: Total Warnings: 440
Sep 22 12:47:15 servername nagios[24331]: Total Errors: 0
Sep 22 12:47:15 servername nagios[24331]: Things look okay - No serious problems were detected during the pre-flight check
Sep 22 12:47:17 servername systemd[1]: Unit nagios.service entered failed state.
Sep 22 12:47:17 servername systemd[1]: nagios.service failed.
Sep 22 12:49:36 servername systemd[1]: Starting Nagios Core 4.4.6...
Sep 22 12:49:36 servername nagios[25308]: Nagios Core 4.4.6
Sep 22 12:49:36 servername nagios[25308]: Copyright (c) 2009-present Nagios Core Development Team and Community Contributors
Sep 22 12:49:36 servername nagios[25308]: Copyright (c) 1999-2009 Ethan Galstad
Sep 22 12:49:36 servername nagios[25308]: Last Modified: 2020-04-28
Sep 22 12:49:36 servername nagios[25308]: License: GPL
Sep 22 12:49:36 servername nagios[25308]: Website:
https://www.nagios.org
Sep 22 12:49:36 servername nagios[25308]: Reading configuration data...
Sep 22 12:49:36 servername nagios[25308]: Read main config file okay...