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

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312 views

Icinga2 dependecies of devices on HA

I would like to configure a Host-to-Host dependency on Icinga2, however, one of the Hosts has an HA configuration, so I need the to trigger it only when both HA devices are down. Suppose this scenario:...
0
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1answer
50 views

How to add drive space alert on IP monitor?

I am the administrator on a Windows server(GSNAPRINT) installed with IPmonitor tool. I want to add an drive space alert for another server (GSCTTLBACKUP) but was not successful. But there were other ...
0
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1answer
296 views

Disk space monitoring with Zabbix while file descriptor/handle still open

Recently I've faced situation, when "standard" disk space monitoring failed - Zabbix uses vfs.fs.size item for checking disk usage, which is documented and preconfigured in bundled templates. The ...
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0answers
48 views

Is there something to consider when using pm2 with nginx

PM2 is a great processmanager with the bonus that the status of single proccesses can be read via a proteced API. Although it is mainly focused on running node-apps, it is also able to start anything ...
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2answers
247 views

Is there a reliable way to detect OS of the network hosts from linux workstation?

How to detect OS of running computers on the network. We use linux. I want to write wrapper on the python, which will periodically scan network and write results to google spreadsheet. I tried nmap -...
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3answers
168 views

Is there a GUI tool to log and view outgoing CURL requests from a Linux server? [duplicate]

I've seen several similar questions - but none that truly answer the question. So here goes: PROBLEM: A script is being run on one of our servers that is making outgoing post (and other) requests ...
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0answers
134 views

Graphs not showing in Ganglia web frontend

I have setup Ganglia as per the following site and everything went well.I was able to test both the gmetad and gmond services. But when i try to access the webfront-end via /server-ip/ganglia i dont ...
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2answers
109 views

Monitor for dead disk in linux

I have problem with backups disk that are not part of RAID or anything similar ( so no notifications from raid controller if disk dies). It happens that disk dies completely and only thing that is ...
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0answers
33 views

How can I tell if I don't get e-mail

That sounds a little silly but bear with me... I have several servers which run several automated processes which each e-mail me status reports (e.g., build success or failure). However, there are ...
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0answers
27 views

strace a series of processes, that does short CPU load bursts?

I have a server, where php-fpm pool processes start to consume too much CPU. But each process causes high CPU load only for a short period of time and I cannot catch even one such process at that ...
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2answers
97 views

Data Analysis for Spoofed DNS [closed]

A remote nameserver, that I do not have privileges on, is intermittently responding with spoofed addresses. I want to monitor this server and collect data on the spoofed responses for analysis. How ...
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0answers
135 views

Can I send a command to stdin of a systemd monitored process

I use systemd to monitor a few gameservers. Some of them accept commands at runtime via stdin. Does systemd somehow allow sending input to processes? Pretty much like journalctl, but the other way ...
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1answer
36 views

Which things would you check when you monitoring a server [closed]

I am using Sensu to monitore few server and I have installed some basic scripts to check if everything is ok. For the moment I have : Apache Alive, SQL alive, SQL replication link,Back Up verification ...
1
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1answer
111 views

Bosun 0.3.0 / Scollector Consistently Reports Wrong Filesystem Size

I'm using bosun to monitor my servers. One strange problem is that in its default configuration it is reporting absurd figures for disk space. For example on one of my servers it says the root ...
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0answers
87 views

Trying to get metircs from collectd with python plugin

I am trying to write a python plugin for collectd that will grab selected metrics and send them as json somewhere else. I have seen a few similar projects such the librato plugin here. However when ...
0
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1answer
40 views

How would I monitor and test if my email service is running from end to end? [closed]

I recently screwed up our DNS settings and managed to break our email. I blindly followed some instructions and added a CNAME record for the root domain. That effectively invalidates mx records and ...
4
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1answer
133 views

Running a custom script/exe through the nsclient++ web server

I have nsclient++ installed on my windows 8 machine and I have include a custom .net exe to do some application monitoring for me. The nsclient++ has no issues running the exe and send the result to ...
1
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1answer
414 views

Zabbix flapping detection

TL/DR: Is there flapping detection available in Zabbix ? expanded question: I'm trying to achieve same behaviour in Zabbix alerts as I've seen in Nagios: When monitored service is in unstable state ...
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0answers
198 views

Naemon stopping itself

I'm currently running Naemon on a CentOS7 which as you can read it in the title, stop himself for some reasons I don't get. This problem started when I tried to add some check for monitor my Esx's and ...
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1answer
86 views

Monitoring HP MSA2324sa using OpenNMS

I was able to get an HP MSA2324sa storage array connected to a server after someone's advice on here to scan the SCSI bus. Now, I want to monitor the following on the storage using SNMP and OpenNMS: ...
2
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2answers
448 views

Icinga2 unidirectional remote clients

I'd like to monitor some hosts on which I can't allow an income connection. Is there a away to achieve that while using "Icinga 2 Client" or "by_ssh"? I can't find anything about that in the ...
0
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2answers
78 views

monit: how do I restart many Tomcats without overloading the server?

My server has several separate Apache Tomcat instances that each take a lot of time and CPU to start. It is not possible to start all of them at the same time. This would generate too much I/O, each ...
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0answers
55 views

Graphite: carbon instrumentation: send to another server

I have a Graphite architecture composed of several elements (HAProxy, Carbon relays and caches) and I use a carbon relay to replicate my data between 2 Graphite servers which store it in Whisper files....
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1answer
92 views

Debugging Nagios notification failure

I have spent the day setting up custom twitter notification on nagios. Everything seems to be in place and the notifications seems to be triggered but the script is not called. my contacts ...
1
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1answer
65 views

Open Source Network Monitoring Primarily for Linux Cloud Environment [closed]

How are you currently monitoring your Linux network in the cloud? We run several (read 7) CentOS instances that host several websites as-well-as a couple of MySQL instances. I am trying to find an ...
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1answer
92 views

Munin aggregation not working (summing CPU time across servers)

I am trying to get an aggregated graph of CPU usage across some servers. I have come up with this so far: [totals] update no contacts no lb_cpu.graph_title LB Total User CPU lb_cpu....
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1answer
307 views

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 ...
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1answer
130 views

Can I configure PCP (Performance Co-pilot) clients to report to a monitoring server from behind a firewall

I have several computers that are running applications. These computers are on the internet, in that they can connect out to the general internet over port 80. These computers have dynamic IP ...
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1answer
1k views

Sensu Client not registering in Uchiwa

I have setup sensu on a Centos 6.5 box and installed/configured the client on the sensu box so it monitors itself like so /etc/sensu/conf.d/client.json { "client": { "name": "sensu", "...
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0answers
162 views

How to check what process or application is deleting a file without using Process Monitor? (Windows Server)

Currently I'm having an issue with a piece of software that makes use of specific files (which are basically xml), sometimes stored on a file share and sometimes stored locally. Every so often one of ...
0
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1answer
180 views

System-monitoring with Cacti: How to execute arbitrary script when threshold reached?

When doing system-monitor with Cacti[1], can you execute an arbitrary script when a threshold is reached, yes or no? If yes, how? [1] I was planning on using the Cacti plugin Thold but as far as I ...
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0answers
755 views

DFS replication monitoring under a non-administrative account

I have a DFS replication set up on two Windows Server 2012 machines in a domain, the DFS consists of one namespace, two servers, several replication groups each containing one folder. I have been ...
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25 views

ServerTech Sentry4 OID for AMPs

Does anyone have the oid for AMPS for Sentry4 PRO2 CDU? I am trying to monitor the amount of total amps for the CDU and I am having a hard time finding the OID for what I want. Any help would be ...
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0answers
83 views

Monitoring Exchange 2013 Databases with Intermapper [closed]

I'm currently setting up a Intermapper map, which is a monitoring system, to monitor a Exchange 2013 server and I couldn't find yet a way to monitor the databases health. For now, just the mount ...
2
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1answer
484 views

Grahping VMware VM's network traffic

We have a mixture of managed and unmanaged VMs within out VMware platform, For our managed VMs we use SNMP within the VM to graph the VM's network traffic which we then use for billing if the customer ...
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votes
2answers
97 views

Does anyone know of a good free tool that can be used to ping our Postgres database server to determine if it is running or not? [closed]

I'm looking for a free tool which runs on my desktop (not the server itself) that will periodically test to see if our database server is up and running properly. Ideally, it should also be able to ...
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0answers
79 views

PRTG Network Monitor custom sensor - return grouped data

I have an IBM DS3512 storage system that I want to monitor. So far I was able to create a custom XML sensor on Powershell, that grabs performance data saved by smcli.exe (the only known way to reach ...
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1answer
606 views

snmpd does not update date due to filesystem access error in new ubuntu versions

My Cacti stopped graphing network data for servers that I monitor using snmp. I am able to manually query the corresponding counter using snmpget $ snmpget -v 2c -c XXX XXX .1.3.6.1.2.1.31.1.1.1.6.4 ...
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1answer
52 views

Monitoring Processes in Detail - not summarized [closed]

I want to monitor the running processes of a linux machine over time. My do-it-yourself solution would be: Dump ps aux --forest every minute to a file. Background: If I get a message "something ...
8
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1answer
282 views

How to automate zabbix web scenarios for vhosts?

I'm new to Zabbix and enterprise monitoring. I've just finished installing Zabbix 2.4. I'm trying to monitor the state of all our vhosts dislocated on different servers. Until now the only solution ...
3
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2answers
6k views

Icinga2: Send E-Mail on Host/Service Down

I installed and configured Icinga2 with icingaweb2. I added a test-host with a test-service: Let's call it "example.com". This is the test-host: /etc/icinga2/conf.d/hosts/example-com: object Host "...
0
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1answer
221 views

Icingaweb2 - Setup returns to start page

I tried to configure Icingaweb2 on Debian 8; it works fine so far, but if I call the web installer (http://d.pr/186lu) and click "next", I'm getting redirected to the second page (http://d.pr/1f6kE). ...
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2answers
87 views

Monitoring and Alerting for application traffic

Currently I put hourly traffic (total number of input requests) of my website in a MySQL table. I keep data for the last 90 days. I want to check every hour, lets say 6th hour, that whether the ...
0
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1answer
216 views

How to monitor the postfix mail queue using monit?

Is there a way to monitor the postfix mail queue using monit? the available scripts just check, up/down/memory or CPU. I would like notices when the queue starts filling up. it would be nice to be ...
1
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1answer
228 views

Monitor drives status on Dell servers from Linux without OMSA

I have some servers where, for various reasons, I cannot install the Dell OMSA toolset. Usually, I have hardware RAID configured for the disks (PERC). Also, most of my servers have an iDRAC ...
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0answers
82 views

Issue with SSH on RHEL while monitoring logs from SpectorSoft Server Manager

I have 3 servers running RHEL hosting a number of Java applications where each of them generates a log file which I am monitoring from a Windows-based machine with the use of SpectorSoft Server ...
0
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1answer
52 views

Exclude field in munin chart

I have written my first Munin plugin to monitor my WAN traffic at home. The chart includes the actual traffic (as DERIVE) and the maximum possible speed (as GAUGE) for my Internet connection. I want ...
4
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1answer
111 views

Is it possible to monitor how OpenStack is allocating virtual infrastructure on a physical one?

I've been wondering whether there's a tool for monitoring how OpenStack is using physical resources (cluster [cpus, ram], network [interfaces, switches]) for its virtual infrastructures? The virtual ...
1
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1answer
43 views

What kind of ram usage is bad ram usage?

We have been monitoring our Debian servers' ram usage in order to receive alerts when the ram usage goes over a certain % threshold. However, a high % ram usage is not necessarily a problem can even ...
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1answer
1k views

Adding normal graph on memory usage per process to Zabbix

I need to monitor memory usage per process of processes on Linux. My monitoring tool is Zabbix. I found some links which describe how we can do it on windows. As an example I can refer to Host ...