AHF-00026 error when upgrading AHF

When running ahfctl upgrade command, "AHF-00026: Perl is not owned by root" occurs and the AHF upgrade fails. In this article, we will provide effective solutions to resolve the problem.,

This is a bug and here is the solution: First: Since in the ahfctl upgrade command we cannot change the perlhome directory, we must unzip the AHF software zipfile and use ahf setup command.

[root@]# cd /u01/AHF23.6/
[root@]# unzip AHF-LINUX_v23.6.0.zip 

Configure Nagios to monitor Remote Windows Host

To configure Nagios to monitor a remote Windows host, you'll need to set up NSClient++ on the Windows machine. 

Configure Nagios to monitor Oracle database on a remote Linux Host Using CHECK_ORACLE_HEALTH

Monitoring Oracle Database with Nagios involves using plugins and configurations that allow Nagios to check the status and performance of the Oracle Database.

Configure Nagios to monitor Remote Linux Host

To monitor a remote Linux host using Nagios, we'll need to install Nagios Plugins and NRPE (Nagios Remote Plugin Executor) on the remote host. 

Install Nagios Core on Oracle Linux 8.5 (OL8.5)

Nagios Core is an open-source monitoring system that helps organizations identify and resolve IT infrastructure problems. It is designed to monitor hosts, services, and network devices, providing administrators with insights into the health and performance of their systems. Nagios Core is widely used for its flexibility, extensibility, and scalability.