Tagged Questions

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

learn more… | top users | synonyms (1)

-1
votes
0answers
12 views

How to Monitor Pagefiling / swapping from Memory to disk

Currently we have a logging system using Kibana / Elasticsearch / logstash as described here. Kibana Proxy Seperately I monitor (pretty oldschool) our pagefiling using Performance Counters. I would ...
-2
votes
0answers
22 views

How to find the cause of regular site failures?

Almost every day I get the same notification from Host-Tracker saying my site is down. I suggest it is connected with the response time (I have set it to be not more than 5 seconds). Here are details ...
2
votes
2answers
54 views

How to check the content of an URI containing a Hash using Nagios' check_http?

Attempt check_http -H www.example.com -f follow -p 8080 -u /hello/#/world -s "content" Result HTTP WARNING: HTTP/1.1 404 Not Found - X bytes in 0.00X second response time |time=0.00XYZ Analysis ...
1
vote
1answer
20 views

Can Perfmon be used to monitor free space on a (mounted) SMB share?

Is there a way to use Windows Perfmon to monitor available space on a (mounted) SMB share? For example: on server ABC, I'd have a share \\DEF\SharedFiles mounted. As I can't set up any monitoring on ...
2
votes
1answer
31 views

Continuously monitor the postfix Mailqueue (real time)

Is there a command to look at the Mailqueue of Postfix in real time. I know of the commands, postqueue -p and mailq. What I am looking for is real time monitoring of the queue. Similar to when i ...
1
vote
1answer
6 views

Perfmon Child Processes Monitoring

I would like to monitor the process' threads performance including the child threads. Is it possible with perfmon? Currently it seams to only start monitoring already open threads.
1
vote
1answer
42 views

Monitor a process using monit in ubuntu

On my server I have started a service using a script created by myself. I want to monitor that process using monit. I didn't see any .pid file for that process in the /var/run directory. How can I ...
0
votes
0answers
10 views

Table used for maining record of alerts generated by BizTalk360

what is the name of table where the alert generated by bizTalk360 gets stored ?? I want to monitor receive location with the help of bizTalk360 and then by querying the place where these alerts are ...
-1
votes
0answers
38 views

When installing InfluxDB, what is more important CPU or memory? [closed]

I had to deploy an InfluxDB 0.8.3 setup in Amazon. Just one instance. I needed to figure out what would be better, if a memory or compute optimized instance. In the end I opted for memory, as I ...
0
votes
1answer
36 views

Bypass SSL on localhost when hitting nginx status

I have a location for /nginx_status, and I installed an SSL cert last night. server { listen 443; ... location /nginx_status { stub_status on; access_log off; ...
0
votes
1answer
52 views

Monitor Linux services with Nagios 4 [closed]

I'm trying to monitor a few RHEL7 services via Nagios. I'd like to monitor if the services are running or stopped and receive an alert when stopped. I haven't any out of the box option with Nagios 4 ...
1
vote
1answer
43 views

Drive faults not logged in HP IML on RHEL-based ProLiant server

Today I have had disks on two separate HP ProLiant servers go into Predictive Failure. One of these servers runs Windows Server 2008 R2 and one runs Oracle Enterprise Linux 5 (a RHEL5-based distro). ...
0
votes
0answers
13 views

High cpu usage of Play server when started by monit

When I run "play start" from command line, the CPU load is very light. But when monit starts the program (as the same user), then the CPU usage tends to 100 - 130% all the time! Here is the content ...
3
votes
1answer
53 views

How To Monitor And Alert For KVM Hypervisors

We have an environment where we are currently monitoring ~50 VM hosts running esxi. We easily get alerts for hardware events and exceeding performance thresholds via vcenter. We're planning on ...
2
votes
1answer
85 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
32 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 ...
0
votes
2answers
24 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
29 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 ...
-1
votes
1answer
41 views

Monitoring APC UPS and Dell DRAC using a single device [closed]

We have a temperature sensor connected to an APC UPS network management card measuring the external rack temperature and the network management card monitors the status of the UPS. There is also a ...
-1
votes
1answer
39 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
47 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 ...
0
votes
2answers
45 views

Optimal process for finding the root of high load

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
48 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 ...
0
votes
1answer
50 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
63 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
38 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
76 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
53 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
38 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
32 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
56 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
59 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 ...
1
vote
1answer
124 views

Integrating Nagios with a ticketing system/incident mnagement system

Is there a free ticketing system/incident management system which will help me in achieving the following? 1) If a service goes down then Nagios alerts the on-duty staff and pushes the status to some ...
0
votes
1answer
53 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
37 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
2answers
36 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
78 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
58 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 ...
-1
votes
3answers
41 views

Determine what has changed a specific key on Windows registry

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. ...
0
votes
0answers
29 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
24 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
146 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
43 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
26 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
169 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 ...
0
votes
0answers
19 views

Properly configuring lm_sensors

I am using Observium as my monitoring device. I have installed lm_sensors and this is my sensors.conf file: cat /etc/sensors.conf label temp1 "temp-System" label temp2 "temp-CPU" label temp3 ...
-2
votes
1answer
107 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
71 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
49 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 ...
1
vote
0answers
62 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 ...