Nagios environment variables

As soon as Nagios is managed by systemd, you have to change the passing environment variables from /etc/sysconfig/nagios to systemd

Edit the file

$ vi /etc/systemd/system/multi-user.target.wants/nagios.service

Add Environment=”” or EnvironmentFile=”” to [service] section

[Service]
Type=forking
ExecStartPre=/usr/sbin/nagios -v /etc/nagios/nagios.cfg
ExecStart=/usr/sbin/nagios -d /etc/nagios/nagios.cfg
ExecStop=/usr/bin/kill -s TERM ${MAINPID}
ExecStopPost=/usr/bin/rm -f /var/spool/nagios/cmd/nagios.cmd
ExecReload=/usr/bin/kill -s HUP ${MAINPID}
Environment="PYTHONHTTPSVERIFY=1"

Restart systemd and nagios

$ sudo systemctl daemon-reload
$ sudo systemctl restart nagios

Check the process environment

$ cat /proc/30195/environ
LANG=en_US.UTF-8PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/binPYTHONHTTPSVERIFY=1
$

That will pass all variables into Nagios daemon

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Let me know if you have any issues with monitoring. Will be glad to help 🙂

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