Home » Categories » Multiple Categories

Nagios XI - Downgrading Nagios Core

Overview

This KB article explains how to downgrade the version of Nagios Core that runs on your Nagios XI server.

Specifically this relates to the Nagios XI 5.5.x release that comes with Nagios Core 4.4.x. Currently Nagios Core 4.4.x is not compatible with Mod Gearman (MG), to allow Nagios XI 5.5.x to run MG the version of Nagios Core needs to be downgraded to 4.2.4.

 

 

Downgrade

The following steps will downgrade Nagios Core to 4.2.4, please be aware that the Nagios service is stopped during this procedure and hence there will be no monitoring performed.

You need to stop the nagios service using one of the commands below:

RHEL 6 | CentOS 6 | Oracle Linux 6 | Ubuntu 14

service nagios stop

 

RHEL 7 | CentOS 7 | Oracle Linux 7

systemctl stop nagios.service
systemctl disable nagios.service
rm -f /usr/lib/systemd/system/nagios.service
systemctl daemon-reload

 

Debian | Ubuntu 16/18

systemctl stop nagios.service
systemctl disable nagios.service
rm -f /lib/systemd/system/nagios.service
systemctl daemon-reload

 

The following steps will downgrade Nagios Core:

sed -i 's/^lock_file=.*/lock_file=\/usr\/local\/nagios\/var\/nagios.lock/g' /usr/local/nagios/etc/nagios.cfg
cd /tmp
rm -rf nagiosxi xi*
wget https://assets.nagios.com/downloads/nagiosxi/5/xi-5.4.13.tar.gz
tar xzf xi-5.4.13.tar.gz
cd nagiosxi
./init.sh
cd subcomponents/nagioscore
./upgrade
chmod +x /etc/init.d/nagios

 

Now the lock file locations need updating:

sed -i 's/^lock_file=.*/lock_file=\/var\/run\/nagios.lock/g' /usr/local/nagios/etc/nagios.cfg
sed -i 's/^NagiosRunFile=.*/NagiosRunFile=\/var\/run\/nagios.lock/g' /etc/init.d/nagios
sed -i 's/^# pidfile.*/# pidfile: \/var\/run\/nagios.lock/g' /etc/init.d/nagios

 

Once these steps have completed the Nagios service will will need to be restarted using the commands below:

RHEL 6 | CentOS 6 | Oracle Linux 6 | Ubuntu 14

service nagios restart

 

RHEL 7 | CentOS 7 | Oracle Linux 7

systemctl enable nagios.service
systemctl restart nagios.service

 

Debian | Ubuntu 16/18

update-rc.d nagios defaults
systemctl restart nagios.service

 

 

Final Thoughts

For any support related questions please visit the Nagios Support Forums at:

http://support.nagios.com/forum/

3 (2)
Article Rating (2 Votes)
Rate this article
  • Icon PDFExport to PDF
  • Icon MS-WordExport to MS Word
Attachments Attachments
There are no attachments for this article.
Related Articles RSS Feed
Nagios XI - Logging In
Viewed 1020 times since Wed, Jul 19, 2017
Nagios XI - Installation Prerequisites
Viewed 3086 times since Sun, Dec 21, 2014
Nagios XI - How To Install On Windows Using VMware
Viewed 1777 times since Wed, Jul 19, 2017
Nagios XI - System Requirements
Viewed 15373 times since Sun, Dec 21, 2014
Nagios XI - Common Upgrade Failures And Solutions
Viewed 2868 times since Thu, Jun 29, 2017
Nagios XI - License Entitlements
Viewed 3132 times since Mon, Jan 25, 2016
Nagios XI - Virtual Machine Notes
Viewed 1549 times since Thu, Jan 28, 2016
Nagios XI - How To Create A Virtual Instance In The Amazon EC2 Cloud Environment
Viewed 1175 times since Thu, Jan 28, 2016
Converting PostgreSQL to MySQL for Nagios XI
Viewed 2707 times since Tue, Dec 6, 2016
Nagios XI - How To Install On Windows Using Hyper-V
Viewed 1588 times since Wed, Jul 19, 2017