Nagios Update from 3.x to 4.x for Tetra's Nagios Server

Nagios Update from 3.x to 4.x

Reference - https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/upgrading.html#nagios3x

Download Nagios version 4.x from https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.1.1.tar.gz

Backup the current Nagios after stopping the Nagios Service .

tar zcvf ./nagios-backup.tgz -C / usr/local/nagios 

Follow https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/upgrading.html#nagios3x for futher installation .

Issues -

1. livestatus failed

Rectification - https://support.nagios.com/forum/viewtopic.php?f=7&t=30485

2. pnp4nagios failed ( Graph Update fails )

Nagios log shows the error

[1443806436] wproc: SERVICE PERFDATA job 861 from worker Core Worker 5968 is a non-check helper but exited with return code 2
[1443806436] wproc:   early_timeout=0; exited_ok=1; wait_status=512; error_code=0;

Rectification - http://www.monitoring-portal.org/wbb/index.php?page=Thread&threadID=29625