Explore information related to nagios core

Nagios migration to new Linux server

This article will guide you on steps to #migrate Nagios server to a new Linux server. Nagios provides complete monitoring of #applications and application state – including #Windows applications, #Linux applications, #UNIX applications, and #Web applications.

Main benefits of #Nagios:

1. Increased server, services, process, and application availability.

2. Fast detection of network and server outages and protocol failures.

3. Fast detection of failed servers, services, processes and batch jobs.

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Nagios Web interface not working after upgrade

This article will guide you on how to fix #Nagios web interface not #loading #issue as well as its cause.

Before fixing, First, you need to make sure you have installed all required nagios #packages like nagios3, nagios3-core, and nagios3-cgi. Ensure you did not miss any required package.

If you are still not able to login, you can look at apache configuration and use htpasswd tool to add new username/password to be authorized. You need to find a file like /etc/nagios3/htpasswd.users. This may also be different on redhat. You can recreate the file or create another username/password.

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Set up email settings in Nagios Log Server

This article will guide you on how #Nagios #Log Server sends emails and the effective ways to configure them.

By default, Nagios #Mail notification is sent using /bin/mail command. To change this, modify the definition for notify-host-by-email command and notify-service-by-email command in /etc/nagios/objects/commands. cfg file and configure the mail server accordingly.

Log Server has user-friendly features like a search function. You can refine your logs to a specific purpose, like failed logins, or a specific date, so you can easily find the logs you need. Log Server's customizable home dashboard lets you display log data in a variety of ways, whether that's a map or a bar chart.

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Steps to Back Up And Restore Nagios System

This article will guide you on how to perform #Backup and #Restore of the #Nagios System are important aspects of the #administration and #maintenance of the #system. 

Backups are an important aspect of administration and maintenance of your system. They can easily facilitate the #migration of a Nagios XI #installation between a virtual server and physical server, and the design of a fail-over or #disaster #recovery instance of Nagios XI.

There are three main types of backup: full, incremental, and differential:

1. #Full backup. As the name suggests, this refers to the process of copying everything that is considered important and that must not be lost.

2. #Incremental backup. 

3. #Differential backup.

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Monitoring VMware with Nagios XI

This article will guide you on the steps to Monitor VMware with #Nagios.
To Monitor the VMware host
i. Enter the Address, Username and Password of your #ESX / #ESXi host.
ii. Select Monitor the #VMware #Host.
iii. Click Next to go to Step 2.
iv. On step 2 you will configure all of the options for #monitoring.

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Integrate SNMP traps with Nagios

This article will guide you on how to integrate SNMP traps with #Nagios. #SNMP can comprehensively monitor not only the network elements like #routers and #switches, but can also be used to monitor #network servers. Details like server hardware description, physical location, IP address, available disk space and server uptime can be monitored through SNMP.

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Send NXLogs with SSL TLS to Nagios Log Server

This guide will guide you on how to send NXLogs with SSL/TLS to #Nagios #Log #Server. Encryption ensures that the traffic between the #Windows machine and Nagios Log Server is not sent in plain text.

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Monitoring Performance Counters in Nagios XI Using NCPA

This article will guide you on how to configure #Nagios XI to monitor performance counters by monitoring Performance Counters in Nagios XI is possible using #NCPA as well as use cases where real-time monitoring actually provides no benefit at all, and may also be both a distraction and a detriment to monitoring #teams and #admins.

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Configure Nagios log server to use a proxy server

This article will guide you on the steps to configure the #Nagios log server to use a #proxy server.

In order to #monitor the server using Nagios Core, you will need to add the host and services to nagios #server from the command line. 

#Logs located in the /usr/local/nagios/var/archives folder are used as the data source for the Availability and #SLA #reports.

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Debugging Bandwidth Performance Graphs in Nagios

This article will guide you through the steps to perform #debugging of #bandwidth #performance #graphs in #Nagios.

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Logs Not Searchable or Not Coming In Nagios Log Server

This article will guide you in solving #Logs Not Searchable or Not Coming In #Nagios Log #Server which occurs in the process of running a query in the Nagios dashboard.

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Scheduling Reports in Nagios Log Server Process to do it

This article will guide you on the steps to manage users in Nagios Log Server by Scheduling Reports in Nagios Log Server which is used by Nagios Log Server Administrators to automate reporting.

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