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Questions tagged [nagios]

Nagios (now known as Nagios Core) is a open source monitoring solution. It offers monitoring and alerting services for servers, switches, applications and services.

Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

Nagios watches hosts and services that you specify, alerting you when things go bad and when they get better. Some of its many features include monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, etc.), monitoring of host resources (processor load, disk usage, etc.), and contact notifications when service or host problems occur and get resolved (via email, pager, or user-defined method).

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Nagios NDOUtils installation - can't load mysql.so error

Hi I m very new to Linux & mysql...while I m installing ndoutils for nagios ,I have to execute this command from Db folder--- ./installdb -u root -p root -h localhost -d nagios while executing this command m getting this…
Gaurav
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syntax error: operand expected (error token is "/ ")

DSKUSDPERCENT=$(($DISKUSD * 100 / $limit)) throws an error like syntax error: operand expected (error token is "/ ") where limit=$OPTARG defined in Process command line options Here I am not able to get the value of $limit
Rahul
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Nmap with packet statistics

I am creating that supposed to ping cloud instances and collect packets data, so to avoid ping and having to open ICMP we decided to use NMAP, but the challenge is that with NMAP I am not sure which option can show packet stats. I tried $nmap -sn…
Prince Linuxer
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Web UI for Nagios says "Not Running" although it is

Been sorting through this on my own for a few days so looking for a pointer or two. I was running Nagios 4.4.6 and decided to upgrade to 4.4.9. I downloaded the source and built and installed the update. It all went smoothly. I checked that…
Pete Helgren
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Centreon not printing output from bash script

I have a bash script that do checks and show result correctly in local server but when using graphic web of Centreon the message is empty I use echo as output of function called from main
RIAHI SOULEF
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NRPE: Remote does not support Version 3 Packets

We are using Nagios XI with Nagios Core 4.4.5. We have updated clients to nrpe 4.0.3 agent. We get "Remote does not support Version 3 Packets" messages in the server log. How to solve this, shouldn't nrpe 4.0.3 support version 3 packets by default.…
meolic
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How can I hide passwords in Thruk?

So Thruk now has an option to obfuscate passwords and other sensitive information in the "Expanded command" field. I've turned that option on, but it doesn't appear to have done anything. I edited the thruk_local.conf file to add the code included…
mcarson
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Nagios - unable to read output

I make custom bash script to monitor ssh failed logins - which locally runs ok - on nagios server and remote hosts. root@xxx:/usr/local/nagios/libexec# ./check_bruteforce_ssh.sh -c 20 -w 50 OK - no constant bruteforce attack But on nagios page -…
parsley93
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Apply a service to a host - NAGIOS

I'm a Nagios newbie and after reading several doc about hosts, services, commands definitions I came across a pretty dumb error which I can't get pass by. I followed this tutorial: Official Nagios Tuto Here is my nagios.cfg code (just a sample, not…
steackfrite
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What file format is this? ( Used for a perl script status )

I am trying to find out what format status file in nagios is, it has a .dat extention but is not the standard .dat ( at least not the windows .dat ) Here is an example of the format contactstatus { contact_name=noc …
Tim Holum
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Nagios: Return code of 7 is out of bounds

Services are up and running on the remote nodes. CLI execution returns OK, but in UI it returning CRITICAL with Status Information:'Return code of 7 is out of bounds' nagios-xxxxxxxx:~# /usr/lib/nagios/plugins/check_tcp -H hostname -p -w 5 -c…
munna
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Nagios XI APIs to be changed to Nagios core APIs

We are using nagios XI APIs (create and query a host, host group, service etc) in out application. We had used CURL and now converted to REST via request module. We now want to implement the same using nagios core module. Is it possible? Does the…
KarthikVR
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Notification Transports From Observium to Icinga

I'm trying to redirect some notifications for specific hosts from Observium to Icinga ( Similar to Nagios), can somebody advise which Notification Transports can be used in this case and how can it be implemented?
Samirtow
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Check_mk_agent Error: Failed to gather SQL Server instances

I am using Check_mk monitoring. I would like to monitor my SQL Server performance counters. I have placed mssql.vbs plugin in the Check_mk agent plugin folder and then restarted the Check_mk_agent service. Post that, I have performed the discovery…
Amit Ranganekar
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Who needs to open port - client or server?

In network communication if PC1 is sending request to perform task on PC2 then PC2 respond with result to PC1, who (PC1 or PC2) needs to open port? or both needs to open port? I am setting up nagios Core with NRPE and NSClient++ and I am unclear…
Ashif Nataliya
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