Applications or appliances that observe machines, systems and networks to find problems and notify administrators.

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14 views

Nagios - send only one notification per day for a single service

I can't find a way to define a service in Nagios that notify me only once a day a multiple down and recovery for the same service/host. In short I would just get the first down and the first up ...
1
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0answers
21 views

Linux: Extreme load on idle CPU

I'm investigating a strange situation with extreme load (but low CPU, IOWAIT, SYS, disk/network activity) on one of our linux servers on which many oracle database instances are running. When having ...
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0answers
8 views

Behavior Syslog TCP when logs can't reach the server

I'd like to know how the client behaves when logs sent by him can't reach the remote Syslog server through TCP. Does the Syslog client keep sending the logs? How many times?
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1answer
16 views

Receive scheduled downtime notification programmatically for Azure Web App and Cloud Services?

Can I hook to Azure somehow programmatically to receive scheduled downtime notifications so that we can prepare and notify our clients before hand? From Azure SLA for Cloud Services and Azure SLA for ...
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14 views

How to log with Syslog when a port is becoming “listening” or change state?

Is it possible to log with Syslog when a new port is becoming listening in linux debian? how can i do that? Moreover, is there a way to log to syslog results of top or htop commands? Regards
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12 views

How to log when a port is becoming “listening” using Sylog? [duplicate]

Is it possible to log with Syslog when a new port is becoming listening in linux debian? how can i do that? Moreover, is there a way to log to syslog results of top or htop commands? Regards
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16 views

Monitor my hom network with my DD-WRT / RFlow [on hold]

I would like to see what is going on with my network! I do not want to see the content of the traffic , all I need is: time source, destination, protocol, App (Viber, Skype, Line, ....) how I can ...
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19 views

Azure app service monitoring checklist? [on hold]

I'm building up a checklist of monitoring metrics for our Azure App Service under development. This is for purposes of cost management, scaling, meeting SLA provided to our clients, alert on ...
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15 views

How to monitor a Multiple Server if its down or had crash [duplicate]

I really need some help guys. I am just a junior web developer. My senior, which who maintains the server, I think. just quit since he got scolded for not monitoring that the server crashed. Now my ...
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1answer
7 views

Server Log Collection SAAS [on hold]

I've looked through many SAAS for server/application monitoring. However I'm wondering if there is SAAS that just opens up a API where my application can call to submit logs, and allow me to customize ...
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0answers
19 views

Frequent “socket timeout after 10 seconds” service alerts with check_mk on check_http checks - how to debug?

I've set up a monitoring server with Check_MK Raw Edition on Ubuntu 14.04 Server. It doesn't really check a lot of services. There are currently 5 servers (that also use Ubuntu 14.04 Server as OS) ...
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1answer
9 views

“Error: Could not complete SSL handshake. 5” in syslog of otherwise fine Nagios monitored host

I have a nagios server on ubuntu that monitors many other ubuntu servers. They have configured with chef, and they are correctly monitoring things over NRPE (i.e. the NRPE checks work. When something ...
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10 views

Does monit restart service if service was told to stop via systemd?

I am new to monit and don't use it up to now. Scenario monit should restart PostgresSQL if it is dead PostgresSQL gets started via systemd A sysadmin shuts down PostgresSQL via systemd since he ...
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1answer
15 views

How does spinning up a node within a cluster reduce CPU load?

I have a VM (representing a baremetal server) with a load balancer and a cluster of 3 container nodes that requests distribute to. Say some threshold is hit and I scale up a 4th node in the cluster. ...
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1answer
24 views

How to analyze bytes transferred over a group of servers?

We have around 50 virtual machines. I installed collectd, graphite and grafana and we have some traffic statistics like these: That produces a graph like this: The lines are incoming and outgoing ...
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1answer
47 views

Why Zabbix still says “At least one of MySQL, PostgreSQL, Oracle, SQLite3 or IBM DB2 should be supported.”?

At begin of setup, Zabbix shows the following error: At least one of MySQL, PostgreSQL, Oracle, SQLite3 or IBM DB2 should be supported. I already have a site working, and this have connections to a ...
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1answer
19 views

Large CPU spike for proc (www-data)

I am trying to understand what is causing these routine high CPU loads on my server. The server is using serverpilot on a small Digital Ocean Droplet which comfortable runs a few wordpress sites ...
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0answers
17 views

How to Monitor all virtual host Web traffic in Real-Time in one console

I want to monitor web traffic from each domain I have installed on my dedicated server. All my domains were added in apache as virtual host. I need each domain Google bot hits only basis, and human ...
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0answers
23 views

monitoring if the ip is down (not up)

Is there a monitoring service that can notify if the IP that is normally down becomes reachable? So, the reverse of the usual stuff. I just need to check a few IPs, so bringing up a complete ...
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0answers
19 views

Running monit AND supervisord simulatenously. Any possible issues?

Two aims: 1) Make sure background daemons such as webserver/rabbitmq are running all the time. If they crash they are automatically restarted etc. For this I am using monit with a config like: set ...
2
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2answers
38 views

How do APM systems monitor and collect machine interactions?

So I generally understand how things like New Relic instrument a .NET app -- the CLR Profiler API makes perfect sense. But what I can't figure out is how things like AppDynamics understand ...
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1answer
45 views

Multiple wildcards with asPercent in Graphite

I have multiple series for stats.counters.app.view.isbn.fetch.found.{yes,no}.$service. I want to calculate the failure rate per $service. #A reduceSeries(mapSeries(group(#B, #C), 0), 'asPercent', 1, ...
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1answer
23 views

Cacti generate old graph

I have a cacti system (Version 0.8.8b). The cacti system has been running for a year. I would like to generate retroactive daily graphs, because cacti can't show the old daily graphs. How to ...
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0answers
21 views

CPU usage plot in graphana

I am trying to plot CPU usage in Graphana. Collectd gives metric to InfluxDB and I get metric from Influxdb into Graphana. I have tried taking derivative of last value but CPU is in negative. I want ...
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1answer
40 views

/proc/diskstats: No such file or directory

Trying to get some disk performance metrics (in particular, using munin), found that /proc/diskstats does not exist. Tried yum provides '*/diskstats' but nothing except munin was found. CentOS ...
2
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1answer
35 views

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 ...
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0answers
17 views

Nagios configuration files issue

I am using nagios core 3.3.1 and have added some service groups and corresponding dependencies. While trying to verify if my configurations are correct, I run the following command: /usr/local/nagios/...
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1answer
21 views

Is it possible to assign a default template for every new host in Zabbix?

So I have some custom templates on my zabbix that I would like to assign to every new host as soon as it gets added, does anyone know if that's possible? So far, from testing and reading from the ...
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0answers
35 views

Set Low Disk Space email alerts for windows 10

I want to set email alerts for my disks, so that if there would be 30GB free space then I will get an email alert. I found some solutions for windows 2008 but they didn't work for me in Windows 10. ...
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2answers
42 views

Simple tool to monitor HAProxy web requests?

I'm looking for a tool that can monitor the number of requests that are going to the nodes within HAProxy to determine the need to push out another node to loadbalance the requests. Can something like ...
0
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1answer
56 views

How can I calculate bandwidth usage per day or hour with Grafana, graphite and collectd?

I'd like to collect the bytes sent and received per day or per hour of a server, so I can collect bandwidth requirements. I figured setting up grafana, graphite and collectd to collect bandwidth ...
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23 views

Monitoring HAProxy to determine need to scale

I'm learning about load-balancing and auto scaling at the moment. I have a VM running HAproxy with 3 nodes under it to distribute traffic. My endgoal is to spam it to overload number of requests it ...
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1answer
52 views

Systemd restart service if it's not listening to a port

I've been using Systemd for a while in Debian 8. I use the Restart=on-failure option to waken-up a service in case of failure. I will like to know if there is a way to force the restart of the ...
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0answers
34 views

Monit run script on restart

So I have been trying to get Monit to run a script on start of a service. While Monit has no problem restarting the service, I of course want to be alerted when if my service required starting, not ...
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0answers
14 views

Detect changes of VM parameters

We run VMs in remote data centers. We are responsible for the VM, but not for the hypervisor. We want to detect changes in the resources of the VM. Example: VM has 10GByte memory - everything is ...
-1
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1answer
27 views

How to use nagios to monitor a pfServer server?

I have a pfSense server set up as firewall gateway for my lab lan and dmz. Now I installed Nagios monitoring manager on a Linux server in lan and want to add a host target for the pfSense firewall. ...
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1answer
55 views

How do I execute monit commands from a shell script without root access?

I've installed and configured monit on a Debian server and opened the http service to localhost and gave rw permissions to the group "monit". I created this group and added myself to this group. The ...
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1answer
59 views

Nginx upstream never flagged as down in vts status

We have 2 physical server which are basically identical (for load balancing and failover) One physical server consist of a bunch of docker containers including 1 x NginX 2 x WebSphere 8.5.5.8 ...
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22 views

How to set specific time frame for only 1 query when configuring a graph in Grafana?

I need to configure a graph in Grafana which is supposed to display disk growth of the database disk in MongoDB server. I've already measured disk growth per day and the current growth per day is ...
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0answers
61 views

WMI fails with to query with linux wmic, but works from a windows machine

I have 2 Servers, one at 192.168.1.10 and one at 192.168.1.20, one work, the other gives me this output and I cannot figure out why, they are both running Windows 12R2. I am able to query the machine ...
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2answers
42 views

Simple uptime monitor for small remote network [closed]

Our company has about 15 small stores with two Windows 7 PCs (and two VoIP phones) at each location behind a SonicWall SOHO. We use various business grade cable and fiber ISPs at each location. ...
0
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3answers
133 views

How to monitor software installation in AD DS?

I'm trying to choose software for monitoring installed software in Active Directory Domain. I thought to use SCCM services, but found it too complicated. Maybe did anybody use a suitable solutions for ...
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0answers
18 views

Sensu remediation: not able to trigger client

Sensu Monitoring.... Senario: if my http link goes down then i use to manually run the script and start it. we moved to Sensu recently as its GUI and monitoring system is quite impressive ,I tried ...
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0answers
35 views

Estimate when a filesystem will be full

Background I'm managing about 50 CentOS 5.6 Linux servers in my workplace with some critical filesystems that store weekly backups of applications, databases and user workplace files. Problem Last ...
1
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1answer
57 views

How to get all SNMP items using zabbix?

Scenario: OS: CentOS 7.2 Zabbix version: 3.0 Trying to monitor some switches using SNMP protocol I'm able to monitor them without any problem, all items are working and everything is fine but ...
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0answers
7 views

General purpose monitoring and alerter [duplicate]

I sometimes have a need to automatically get notified when some events happens... I'm looking for some suggestions of application to use for this (Operation System isn't important). Requirements ...
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2answers
29 views

Software to Detect Device Missing from Network?

I have several small Android tablets that I am going to deploy in a manufacturing environment. Each one will be assigned to an individual, but I'd still like to have some way of detecting if the ...
0
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1answer
357 views

Is it possible to monitor processes with Zabbix?

I've installed zabbix-server, zabbix-proxy and some zabbix-agents on some of my dedicated servers. Everything is working and I'm quite happy with everything but I was curious about this topic: ...
0
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1answer
21 views

Icinga monitoring, random “Connection refused by host”

I have a Nagios/icinga monitoring system, which i use to monitor mainly Windows based machines running a version of NSClient++ that i found works without being too annoying (NSCP-0.4.1.105-x64). This ...
1
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1answer
28 views

Monitor the availability of Marathon Framework [closed]

I am using Mesos - Marathon for App deployment and availability, but sometimes marathon freezes. I tried to monitor the tcp port, but during the freeze port is open and thus not able to detect the ...