what is nagios in linux

!***> One or more problems was encountered while processing the config files... Check your configuration file(s) to ensure that they contain valid directives and data defintions. If you are upgrading from a previous version of Nagios, you should be aware that some variables/definitions may have been removed or modified in this version. Make sure to read the HTML documentation regarding the config files, as well as the 'Whats

problems was encountered while processing the config files... Check your configuration file(s) to ensure that they contain valid directives and data defintions. If you are upgrading from a previous version of Nagios, you should be aware that some variables/definitions may have been removed or modified in this version. Make sure to read the HTML documentation regarding the config files, as well as the 'Whats New' section to f

If you use nagios in centos6.3, you will always use centos6.3 or earlier versions. when the new server arrives, a new centos6.3 is installed, as a result, there was a small problem when using Nagios monitoring. during system memory monitoring, the previous monitoring script had never been faulty,... if you use nagios i

If you use nagios in centos6.3, you will always use centos6.3 or earlier versions. When the new server arrives, a new centos6.3 is installed, as a result, when using Nagios monitoring, there was a small problem. During system memory monitoring, the previous monitoring script had never been faulty, but the new server had never been able to obtain normal monitoring

commercial version of Cisco Works 2000, Solarwinds, ManageEngine, and WhatsUp, which focus on fault monitoring, with MRTG, Nagios, Cacti, Zabbix, Zenoss, OpenNMS, ganglia and so on. Because they are not connected to each other, even if you deploy these tools, many operators are not really free from it, because the current technology can get computer equipment, servers, network traffic, and even the database warning information, but thousands of warni

on the market, such as the commercial version ofCisco Works,Solarwinds,ManageEngineand focus on fault monitoringWhatsUp, in the Open source field hasMRTG,Nagios,Cacti,Zabbix, Zenoss,OpenNMS,Gangliaand so on. Because they are not connected to each other, even if youDeploymentThese tools, many operators are not really free from it, because the current technology can get computer equipment, servers, network traffic, and even the database warning informa

lack operational tools such as event monitoring and diagnostics, because failure events can be handled proactively and quickly without the support of efficient management tools. There are many operational monitoring tools on the market, such as the commercial version ofCisco Works,Solarwinds,ManageEngineand focus on fault monitoringWhatsUp, in the Open source field hasMRTG,Nagios,Cacti,Zabbix, Zenoss,OpenNMS,Gangliaand so on. Because they are not con