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

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3
votes
1answer
938 views

iostat - dm-0 device shows much higher latencies than sdX

We are running linux (Centos 5.x) VM's on top of vmware vsphere 5.5. I am monitoring disk latency using iostat, specifically the await column, but I am noticing strange results with the device ...
0
votes
0answers
648 views

Zabbix monitoring a custom process

Hello I’m new with Zabbix, I have the follow scenario: About 10 windows server with our process that we have to monitoring. The processes have different name but they have the same prefix, for ...
1
vote
2answers
87 views

How can I monitor “primary and secondary” Cognos nodes?

We have several Content Managers in Cognos that are running: one as a primary, one as a secondary. I would like to be alerted if there isn't one node acting as primary, if the primary node changed, ...
1
vote
2answers
288 views

Set different warning thresholds for Nagios on weekends

I'm using Nagios to monitor CPU usage on my servers with the check_load plugin. On weekends we have some batch jobs running and there are hardly any real users anyway, so I'd like to have the warning ...
0
votes
0answers
83 views

Monitoring task status via snmp

We have a number of Windows 2008 r2 servers set to run a scheduled task once a week using the built in task scheduler. We also have another server running SolarWinds which collects information on the ...
1
vote
1answer
129 views

What to monitor (key indicators) on web and database server

I just installed Munin for monitoring my web and database server. I lot of plugins were included out-of-the box, but I could use some advice on which one is actually good key indicators to monitor. ...
1
vote
0answers
201 views

Using OSSEC to monitor windows services

I'm using OSSEC to trying and monitor services on servers such as Windows Event Log. I would like to know if a service has stopped or started and get emailed accordingly. I have tried a rule that ...
-1
votes
2answers
70 views

Optimal process for finding the root of high load [closed]

I have a VPS (WHM/cPanel) where i keep our clients projects. Some of these projects are well known frameworks and some of them are custom PHP/MySQL codes. At certain times i am noticing high loading ...
0
votes
0answers
109 views

How to determine the cause of network issues of a hetzner.de dedicated server?

I've got 3 dedicated servers at hetzner.de, and I’m occasionally getting unavailability alerts for these servers, from 2 independent monitoring systems (New Relic and Pingdom) usually for all 3 server ...
1
vote
0answers
63 views

What does “C:0” mean in file path?

I'm trying to troubleshoot high disk I/O that I can see through SQL Server resource monitor. I opened resource monitor to understand what files were causing high disk I/O but path in file column made ...
0
votes
1answer
122 views

New nagios/cacti monitoring setup, should I use a dedicated VM?

Currently we have 4 bare metal servers and one small VM server (all running centos6) and I'm looking at setting up monitoring for the Percona MySQL db server and replication slave (bare metal), as ...
1
vote
0answers
301 views

Random server load spikes, number of tasks doubles, CPU/Memory consistent

We run a vBulletin forum with 6,000 visitors per day on an SSD VPS with 5GB RAM and 24 CPU Cores. On a typical day we see 30-50 concurrent users at any given moment. On busy mornings, it'll go up to ...
0
votes
0answers
170 views

AWS ELB Monitoring - instance state “Unknown”

We have a nagios script (python) which monitors our AWS ELBs and alerts if there are unhealthy instances. It has been working fine for some months. Over the last week or so, we've started receiving ...
2
votes
2answers
129 views

Method to log amount of transmitted data per each IP address in linux

I am looking for a method in linux to log the amount of data transmitted (received and sent separately) for every single IP address to which the data was sent to or received from. These statistics ...
0
votes
2answers
203 views

Monitoring Memory Usage on a Machine that Uses MSMQ

Based on this thread, it seems that it's "normal" for the MSMQ process to take up an much memory as is available until it comes under memory pressure. It seems most monitoring tools base memory usage ...
0
votes
1answer
141 views

Multiple monitoring machines for the same hosts

I'm fairly new to monitoring and am currently trying to setup a monitoring solution for our network infrastructure. Our hardware is pretty old and can therefore fail at any time. We have taken ...
-1
votes
1answer
88 views

Take some action when errors occur with nginx

I have a nginx/1.2.1 on Debian 7.0 x64 and i want to take some action when some error occurs, something like send mail to me. I found on the web ways to monitor files and take some action when they ...
-1
votes
2answers
80 views

Simple method of detecting and reporting server outage? [closed]

I'm looking for a super simple way to monitor one server from another, in case the other goes down (e.g. based on ping), and then send an email if it does. Is there anything out there like this ...
1
vote
1answer
216 views

Icinga Distributed - Status Map / Reachability Issue

I'm setting up a distributed Icinga setup in the following manner. We have 6 sites so i'm monitoring 3 on each of 2 nodes plus a central server. Sites a,b,c are actively monitored by node 1 Sites ...
0
votes
1answer
321 views

Restarting shell script with &disown using Monit

I have a shell script that runs a C++ backend mail system (PluginHandler). I need to monitor this process in Monit and restart it if it fails. The script: export ...
0
votes
0answers
105 views

shinken/nagios discriminative between warning alert and critical alert

i using shinken for my monitoring system. Now, i have a problem when i configure shinken notification. My purpose is to discriminative between notification for warning state and critical state of ...
0
votes
3answers
1k views

Automatically Kill/Restart Process(es) When Memory is Critically Low

I have a Debian Wheezy VPS box where am running a couple of Django apps in production. Ideally, would have tried addressed my current memory footprint issues by optimizing the apps, adding more RAM or ...
0
votes
2answers
137 views

RAID card monitoring from Debian OS

We have a custom built Debain OS server with this raid card. Is there anything we can do from the OS side to monitor the raid virtual disks? A few weeks ago we had a raid degrade and did not know ...
1
vote
3answers
477 views

Monitoring / metric collection for system collectives that change a lot in time (a.k.a. cloud) [closed]

When your server fleet doesn't change a lot in time, like when you're using bare-metal hosting, classic monitoring and metric collection solutions (Nagios, Munin) work well. But if the number of ...
0
votes
1answer
75 views

How to monitor an Amazon EC2 instance [closed]

Is there a way to monitor ec2 instances without using cloudwatch? I ask this since ec2 instances are basically VPS's, and using output from commands like top, vmstat, htop in scripts may not give the ...
-2
votes
2answers
64 views

Determine what has changed a specific key on Windows registry [closed]

History : My C drive disappeared from "Computer" on my Win7. After fixing it a couple of days ago by changing a registry key, I notice today that my C drive has disappeared AGAIN. ...
4
votes
1answer
4k views

Monitoring cpu and memory usage of Docker containers on Centos 7

I'm trying to run application builds inside docker containers and gather resource usage stats. I can gather usage metrics for example memory usage details for a container with id foobar running ...
0
votes
0answers
62 views

Looking for a program to run perl scripts and collect/report results

One of the technologies we manage is rather difficult to monitor due to lack of hooks into the running state and configuration. A teammate and I are working on a script/series of perl scripts that ...
0
votes
0answers
45 views

Nagios XI- Different Access Permissions to Different Users

I am having 22 Linux servers configured and being monitored in Nagios XI. I have created a user, apart from nagiosadmin (the admin user), to whom I have to give access to only 4 servers, so that he ...
7
votes
3answers
303 views

ssh host key certificates, find validity period remotely?

I have an environment where I use ssh certificates to authenticate ssh host keys. I'm talking about the kind of certificates created by running ssh-keygen -s /path/to/ca -h .... These certificates are ...
0
votes
1answer
153 views

Change graph interval in cacti

I am new to cacti. I got cacti running and wanted to use the Advanced Ping Templete. It works fine but I want to change the Interval to 30 seconds instead of the 5 minutes. Can't find where I can ...
0
votes
1answer
99 views

Why perfmon for remote desktop servers get an empty file (only time stamp)?

I'm trying to remotely monitor a server using perfmon, the output file is always empty and only the time stamp field is there?
0
votes
1answer
332 views

Monitoring network output bandwidth of server for each IP address

I've got a network of static file serving servers. I use nginx to serve the files, and munin to monitor the network traffic. I want to know the output bandwidth of the server that goes to each IP ...
-2
votes
1answer
230 views

Is the Datadog install script safe to run? [closed]

I have a production server (CentOS 6, Apache, Nginx, MySQL, PHP, wordpress). I want to see some metrics (e.g., load bandwidth, RAM, CPU and so on). I chose a Datadog for this task. The instructions ...
1
vote
2answers
75 views

How to get the port number a user ssh'd in on?

I am transitioning servers away from port 22 in an existing multiuser environment. I have configured sshd to listen on two ports: 22 and the new port. Now I would like to detect when a user connects ...
0
votes
2answers
80 views

Real time server status on another linux server

I'm looking to make some sort of readable file(pipe?) on my two web servers that shows the id of the mysql server with the least load to use in load balancing as well as some other applications. I'm ...
2
votes
0answers
252 views

Collecting amavis stats with SNMP

I'm trying to get values from amavis in a CentOS 6.5 server. This values, such as spam mail (total, total/h, percent), are supposed to be accesible via SNMP. But, when I run snmpwal, I always get 0 ...
-1
votes
1answer
80 views

Monitor network nodes for availability [duplicate]

I'm installing a network at a factory with around 200-300 PLC's. I have looked into spiceworks and similar solutions, and all of them are more or less computer / printer minded. What I wan't is: A ...
0
votes
1answer
137 views

Monitoring solution that doesn't duplicate source data?

I need to analyze data stored in multiple databases. Each of them contains a few TB of logs and sensor data. If I use Splunk or ElasticSearch/Kibana, I see 2 solutions: Batch import everything ...
0
votes
1answer
657 views

Php-Fpm: status URL for all pools

I have an ISPConfig server serving php pages with FPM in ondemand mode. On another server with a single fpm pool I keep daemon monitored using the /status URL and work great. In ISPConfig case there ...
5
votes
1answer
397 views

Nagios escalations, prematurely critical escalation after warning

In Nagios 3, I would like a service to be escalated after being critical XX minutes. It works great on services that go from UP to CRITICAL. However, if the service has been warning >XX minutes (say ...
15
votes
2answers
651 views

How can I gain better insight into ISP-managed equipment (routers)?

I have a number of customers who have networking equipment managed by their ISP. This is usually in the form of an ISP-provided switch or router placed at the customer location(s). For sites that ...
0
votes
1answer
133 views

Read-only ID for web-console on JBoss 7.1.1

I would like to create a Read-only ID ( monitoring id) for the web-console on our JBoss 7.1.1 running on RHEL host. Ive been searching but couldnt find anything. I need an account that can login and ...
1
vote
1answer
54 views

Simple web tool for viewing log

I'm developing a server deployment script that installs a bunch of stuff and generates a log in the process. I'd like users of the script to be able to view what's happening, on a web page, in real ...
8
votes
2answers
349 views

Is it reasonable to use Nagios to check that a service is NOT available?

Suppose I have a server with a private interface and a public interface. Public might have things like HTTP(S) servers, private might have MySQL and SSH. Obviously Nagios is useful to check that the ...
0
votes
0answers
75 views

PNP4Nagios graphs page customization - graphs in columns

I am trying to customize page with with graphs of pnp4nagios, because I want to make a set of graphs which I will use on my wall TV/monitor. But there is a lot of space left on right side, so I want ...
0
votes
1answer
86 views

How do I know which node in a cluster answers?

I have set up an NLB with two servers (nodes) which are running the same service. The filtering is single host, because I don’t want them to run at the same time, because there is data in the cache ...
0
votes
1answer
451 views

How to identify which specific php file/function is causing the 508 Error (resources exhausted)

My client getting this error out of the blue this weekend. I do maintenance on this wordpress website and it has been online for about 10 years Resource Limit Is Reached The website is ...
1
vote
1answer
74 views

Measuring performance for an entire Virtual Machine

I have an ETL process that I'm trying to deploy as a virtual machine across a few different "enterprisey" networks. I know it's relatively lightweight, but one client is very interested in the ...
2
votes
1answer
232 views

How to make Monit “check process” conditional?

I have a monit script that does something like this: check process sidekiq_1 with pidfile /tmp/pids/sidekiq_1.pid start program = "/bin/bash -l -c 'bundle exec sidekiq start" as uid jim and gid jim ...