Questions tagged [check-mk]
Check_MK is an extension to the Nagios monitoring system that enables a Python interface and allows better scalability.
54
questions
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Check to ping google from host in check_mk using WATO
I'm new to check_mk and got it installed using OMD (last daily version). I'm trying to create a check so my hosts ping google to see if their network connection to the internet is working. I thought ...
1
vote
1
answer
3k
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Reverse proxy with URL rewrite issues for check_mk and nginx
I'm trying to run check_mk in docker behind a proxy, but I'm having problems with not being able to set the check_mk base_url.
So check_mk is running on http://somehost:6000/sitename/check_mk/ and I ...
1
vote
1
answer
3k
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Updated OMD and Check_MK Agent returns Null
I updated OMD to the current version using the following:
omd update <site>
Everything appears to update fine, but now my servers with the check_mk agent installed show (null) and I do not ...
2
votes
1
answer
2k
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Check_MK: How do I create Notifications based on groups of services instead of just one service?
I'd like to be able to create a notification that alerts based on the availability of a group of services, instead of just one threshold. For example, say I have 10 AWS servers that all do the same ...
0
votes
1
answer
327
views
Checkmk behind NAT can't reach agent in dmz
I have checkmk running in our lan. I want to monitor a linux vm in the dmz. So i installed the agent on the linux vm, enabled ipv4 for it, but checkmk can not find any services since the agent was not ...
0
votes
1
answer
852
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Checkmk 1.6.0p21 can't login even after resetting password - Invalid credentials [closed]
I'm unable to log into a Checkmk 1.6.0p21 dashboard through the web interface. I have access to the machine running it and nothing I do on it makes a difference.
It always gives the error "...
0
votes
2
answers
2k
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Check_mk agent listening on ipv6, how to change to ipv4
Hi I am new to check_mk and not very good in linux server configuration at all, so thanks for your patience.
I installed check_mk under debian via gdebi (systemd not xinetd - and used default ...
2
votes
1
answer
1k
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Not all events appear in Nagios history (archive) [closed]
In the Host & Service history of my check_mk interface I can see various events, but a lot of events are missing. On the default interface at View Alert History For This Service or in the logfiles ...
0
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2
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3k
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check_mk send notifications based on service status in Nagios
I have some services status in "Warning", "Unknown" and "Critical". I would like to send notifications for "Warnings" and "Unknown" every hour and for "Critical" every 10 minutes. Right now my set up ...
0
votes
1
answer
493
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Check_MK: Custom User Notification goes to all users not to the one in Contact Groups
I would like to kindly ask for some advice.
I have configuration that looks like this:
Users are in Contact Groups.
In Host Folders I have permissions to Contact Groups. And Hosts inherits this ...
12
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3
answers
5k
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Does anyone use check_mk for Nagios? Anything I should be aware of before considering it?
http://mathias-kettner.de/check_mk.html
I've been testing it out on a couple of development machines and it seems pretty nifty. I cannot however find much information on deployments of it.
Does ...
0
votes
1
answer
602
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mk-livestatus No UNIX Socket Existing
I'm currently in the process of setting up NagVis, and one of the prerequisites is that mk-livestatus be up and running on your Nagios server.
This is proving difficult.
The website for check_mk ...
0
votes
1
answer
4k
views
Check_MK: How to add service to Servicegroup?
I'm new at monitoring, and would to know is it possible to add a Services to a Servicegroup.
What I will do:
I have Servers how i monitor and created a Servicegroup, and now I will add queries like ...
2
votes
2
answers
5k
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snmpbulkwalk hangs at certain OIDs
While setting up some hosts in Check_MK for SNMP-only monitoring I've found some hosts where snmpbulkwalk appears to 'hang' and then timeout while processing a certain OID.
eg:
OMD[prod]:~$ ...
2
votes
1
answer
666
views
Check_mk time periods
I have a Check_MK Raw 1.4.0p21 setup on a Ubuntu box 16.04.3 LTS.
I`m having difficultie getting Check_MK to respect WATO Time periode.
As you can see in the code block, i have a window between 04:56 ...
1
vote
4
answers
1k
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check_mk IPMI PCM sensor reading randomly fails
I use check_mk_agent for monitoring a server with IPMI and the freeipmi-tools installed.
As far as I can see, the monitoring randomly detects no value returned by the IPMI Sensor "Temperature_PCH_Temp"...
1
vote
1
answer
242
views
Check_mk on auto-scaling non-public servers
In the company I work on, currently all monitoring is "mandated" to happen using check_mk.
This forces some of our deployments in AWS to always have public IPs on all machines, and then someone has ...
0
votes
2
answers
558
views
Check manual page of check_sql always giving a warning status
I've installed OMD and activated the Check_mk interface and Nagios engine. It works like a charm except for one thing. I can't properly check my SQL. Here is what I've done so far:
Created a new ...
0
votes
1
answer
399
views
Check_MK AWS monitoring - RDS checks not working
I have configured AWS monitoring with Check_MK version 1.5.0p13 (following the documentation at the official Check_MK site). Everything works, except RDS checks, when I go to discover services, I get:
...
3
votes
1
answer
1k
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Automatically monitor new cloud servers using Open Monitoring Distro (OMD)?
I've been spending some time getting my head around using Nagios, Check_mk and some other very useful tools installed as part of the OMD package.
WATO is especially useful for administrating all of ...
0
votes
1
answer
3k
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Check_mk cannot login - invalid credentials
I've installed omd 2.90-labs-edition. After creating new site I want to login to check_mk (1.2.8.p20) web interface, but the given credentials do not work, I've got "Invalid credentials". This ...
2
votes
0
answers
976
views
check_mk logwatch monitoring log with date in filename on windows
In windows, is there a way to setup dynamic dates on logs filenames monitoring using check_mk_agent's [logfiles] section??
In linux I know we can use $(date +%Y%m%d), but don't know if it works on ...
1
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1
answer
3k
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How can I get custom logfile checks working with Windows check_mk_agent?
Simple example: I have a logfile in C:\users\user\test.log, containing a line of text:
crit
I have check_mk_agent.exe installed in Program Files (x86)\check_mk, with check_mk.ini installed in the ...
0
votes
1
answer
609
views
check_mk BI notifications
I'm trying to configure Check_MK 1.2.8p20 (multisite-enabled) to work with BI notifications. I've set up the service account, have my aggregations working, but, upon check, I receive:
ERROR: Invalid ...
0
votes
0
answers
103
views
Check_MK, read-only OMD access for Digital Signage
I have the latest version (1.4.0p34) of Check_MK setup on Ubuntu server 18 with LDAP integration.
I would like to have a page displayed on a Digital signage that I have that is a slide show of an ...
1
vote
0
answers
872
views
check_mk using ssh tunnels/ssh proxy
I'm trying to setup monitoring with check_mk and wanted to see if this is possible. My issue is as follows:
Layout:
Monitoring server: 1.1.1.1
Bastion server: 2.2.2.2
Host A: ...
0
votes
1
answer
1k
views
Check_mk and wildcards
I've successfully set up check_mk 1.28 via OMD, which I know supports wildcards and regex for assignment of hosts/services to groups. I've tested the wildcards in the search box successfully, but the ...
0
votes
0
answers
1k
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missing dependencies for check_mk on ubuntu (omd-1.20) php5 and perl5
I'm following the install/setup instructions which are available on both the check_mk and DigitalOcean sites to setup monitoring based on a Ubuntu server. However I am getting errors that several ...
1
vote
1
answer
646
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check_mk_agent hangs when running cluster check ONLY when triggered by network
My check_mk server connects to several RHEL nodes which have installed check_mk_agent (version 1.2.4p3). A group of these nodes belong to a pacemaker cluster.
The check_mk agent is configured by ...
2
votes
0
answers
84
views
Can nagios check_mk be used to send the contents of a text file to a group of users and if so, how?
I have a server that copies files between two ftp sites, a middleman server because the sites have been locked down to only accent connection to this server.
Ocassionally the process stops sending ...
0
votes
2
answers
852
views
Check_MK NTP UNKNOWN - no information from NTP: timeout in ntpq -p or NTP daemon not running
Would really appreciate some help with this.
I have a remote server that keeps giving me "UNKNOWN - no information from NTP: timeout in ntpq -p or NTP daemon not running" through our Check_MK ...
0
votes
1
answer
1k
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OMD (thruk / naemon) and check_mk plugins
I have some problems coming around OMD and I don't seem to find an answer in the documentation...
So, my question. Since I have the check_mk agent installed in the monitored machine, can I use the ...
0
votes
2
answers
4k
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check_mk Nagios Plugins
I am trying to move from Nagios to OMD, however, I have a Nagios plugin which I really need (phpfpm) but I am unable to add the plugin to check_mk.
On the check_mk website says that you should use ...
0
votes
2
answers
2k
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Monitoring AWS instance with Check_mk
I installed OMD V1.20 (CentOS 7.x) with the help of this tutorial. I was able to successfully add the server itself as host and it showed some 18 processes and is running fine.
After that, I ...
0
votes
1
answer
780
views
Cannot connect to remote site: Authentication to web service failed
I've installed Check_MK 1.2.8p9 (an open monitoring distribution of Nagios) on two servers and I'm attempting to connect the second host to the master. On the Distributed Monitoring WATO page I've ...
0
votes
1
answer
92
views
Dumping Splunk Events
We have a nagios instance set up so that using MK-Livestatus and splunk, we are able to push all of nagios's alerts through livestatus's socket thanks to a call from splunk.
However, splunk is now ...
1
vote
0
answers
441
views
How can I trigger an instant rerun of Check_MK data collection through Icinga?
I am using Check_MK to generate checks to make Icinga (a Nagios fork) monitor a bunch of machines. After starting up Icinga, after some time, Check_MK starts to collect data from the configured ...
1
vote
2
answers
7k
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Where does check_mk store configuration files?
I'm a little new to the check_mk/nagios/monitoring world. I'm experimenting with omd 1.0 as an easy way to get it all set up and working on an Ubuntu host. So far, things are great!
With all the work ...
1
vote
0
answers
404
views
Is possible monitor the VPN's bandwidth with Check_MK? How?
I would like monitor the bandwidth in the VPN of Juniper SSG5 with Check_MK. Is possible? How?
For the moment I am monitoring the status with the check automatic (check_mk-juniper_screenos_vpn). ...
1
vote
1
answer
645
views
Obtaining pfSense graphs on another server
I'm trying to be able to get the traffic and system graphs from a pfSense router, which is only available on a specific management IP, onto my monitoring server in some way. So far I've thought of:
...
1
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1
answer
1k
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check_mk: global name 'entry' is not defined
I'm having a ton of trouble with a nagios installation I've been working on powered by check_mk and OMD. When using the web gui to manage check_mk, the notifications page displays the following Python ...
4
votes
2
answers
4k
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nagios contact groups to check_mk
I have Nagios installed with traditional configuration files. I have created some contact groups and assigned them to hosts.
For web UI I'm using check_mk. And here's the question:
Check_mk supports ...
0
votes
2
answers
4k
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not able to copy socket/inode file
I having the file called 'live' in ubuntu, this is the socket/inode type file. This file has the permission as
srw-rw-r-- live
I want to create the copy of the file.
I not able to copy it using cp ...
1
vote
2
answers
7k
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Icinga 2 vs Nagios 4 vs Shinken 2 : is there Performance Benchmarking comparison available?
I am not able to find out any link that displays the benchmarking report for the cores.
We have to monitor 50,000 hosts and 30 services per host
per minute host check : icmp
per 5 minute service ...
0
votes
1
answer
575
views
How to get check_mk BI aggregation status when tab is collapsed in tree?
Check_mk provides the script check_bi_local.py to make a nagios check from the status of the BI tool. The issue is that this only returns the elements of the view that are expanded in the tree. Is ...
0
votes
1
answer
1k
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Nagios change threshold values
I'm using nagios checkmk 1.2.2 to monitor some hosts.
How can I adjust specific smart values per host so they won't create a critical alert?
For example:
CRIT - Reallocated sectors: 2CRIT
I only ...
0
votes
0
answers
493
views
Restart Service If TCP Check Fails or Timeout
We are using check_mk WATO to monitor our production infrastructure and all the services. Currently, we have HTTP checks for our application. We would like to have an event driven monitoring system ...
1
vote
1
answer
891
views
How to exempt weekends from freshness checks in Nagios
Thank you, serverfault, for giving me the answer to how-does-an-administrator-generalize-alerting-when-an-event-doesnt-happen.
Now, I only want to check the freshness of these passive services Monday ...
0
votes
1
answer
6k
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Set SNMP Community with check_mk WATO
I'm using check_mk with WATO on an Ubuntu server running Open Monitoring Distribution 1.0. So far, so good!
I'm trying to configure the snmp community for check_mk to pull info from some of our HP ...
4
votes
3
answers
13k
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What is a check_mk sticky comment when acknowledging a host/service?
I wanted to attach a comment to a system that is being monitored with Nagios. I prefer using check_mk as GUI. Now I stumbled across this: I can set a comment as sticky and/or persistent.
So I asked ...