Nagios 4.3.2 not starting at boot up

[t3dus]

I have Nagios 4.3.2 running on a Raspberry PI 3 B on OS raspbian

I've ran the following commands to try to fix nagios starting on boot up but nothing fixes it.

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sudo ln -s /etc/init.d/nagios /etc/rcS.d/S99nagios

If I run

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sudo update-rc.d nagios defaults

it returns this:

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root@raspberrypi:~# sudo update-rc.d nagios defaults
insserv: warning: current start runlevel(s) (S) of script `nagios' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (empty) of script `nagios' overrides LSB defaults (0 1 6).
insserv: can not symlink(../init.d/nagios, ../rcS.d/S12nagios): File exists

any ideas on what i'm doing wrong?

[dwhitfield]

Can you attach the two following files: /etc/init.d/nagios /etc/rcS.d/S99nagios

Also, what is the output of the following:

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ls -la /etc/init.d/nagios 
ls -la /etc/rcS.d/S99nagios

Lastly, do you have systemd available on your system?

[t3dus]

Uploaded "/etc/init.d/nagios" to dropbox (wouldn't let me attach it here) but I didn't find a file at the other path "/etc/rcS.d/S99nagios"

Output

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root@raspberrypi:~# ls -la /etc/init.d/nagios
-rwxr-xr-x 1 root root 8456 Jun 21 14:10 /etc/init.d/nagios

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root@raspberrypi:~# ls -la /etc/rcS.d/S99nagios
ls: cannot access /etc/rcS.d/S99nagios: No such file or directory

[dwhitfield]

What's the output of cat /etc/*lease? I know you gave OS information, but I'm not familiar with raspbian. I know it's based on Debian. I'm hoping the release info will tell me what version of Debian so I can figure out how the init should work.

[t3dus]

root@raspberrypi:~# cat /etc/*lease
PRETTY_NAME="Raspbian GNU/Linux 8 (jessie)"
NAME="Raspbian GNU/Linux"
VERSION_ID="8"
VERSION="8 (jessie)"
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"

[dwhitfield]

create /etc/systemd/system/nagios.service and add the following to it:

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[Unit]
Description=Nagios Core Monitoring Daemon
After=network.target

[Service]
User=nagios
Group=nagios
Type=forking
ExecStart=/etc/init.d/nagios start
ExecStop=/etc/init.d/nagios stop
ExecReload=/etc/init.d/nagios reload

[Install]
WantedBy=multi-user.target

Then run sudo systemctl enable /etc/systemd/system/nagios.service

Please let us know if you run into any issues.

[t3dus]

Done..

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root@raspberrypi:/usr/local/nagios/etc/objects# sudo systemctl enable /etc/systemd/system/nagios.service
Created symlink from /etc/systemd/system/multi-user.target.wants/nagios.service to /etc/systemd/system/nagios.service.

Rebooted server and looks like Nagios started up without issue.

[dwhitfield]

It sounds like this issue has been resolved. Is it okay if we lock this thread? Thanks for choosing the Nagios forums!