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

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97 views

How to enable temperature warning for SMART disk?

I have a scsi disk with SMART enabled and with the following information: # smartctl -d scsi -i /dev/sg1 ... === START OF INFORMATION SECTION === Vendor: SEAGATE Product: ...
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1answer
31 views

monitoring availability of publicly accessible distribution lists

I have an unusual request from management: to set up monitoring of public-facing email addresses that resolve to distribution lists(groups). We are using Exchange 2010 to host these lists/groups. I ...
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2answers
678 views

How to monitor RAID1 system with Dell PERC H200 controller?

I have a server configured with RAID1 using a Dell PERC H200 controller. I tried to use smartmontools to monitor the disks. But after installing it and running the command, it says SMART support is ...
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1answer
555 views

Overriding Nagios hostgroup service with host service

I currently am experimenting with defining a set of services to all hosts in a hostgroup, this is working fine. My issue is that I then want to be able to override these service definitions which ...
2
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1answer
845 views

Using Logstash as shipper?

We are shipping logs from servers and using THE logstash on each server for shipping. So we read logs from the glob "/root/Desktop/Logstash-Input/**/*_log". input { file{ ...
2
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1answer
141 views

Why isn't snmptt translating this trap?

I have a device that is sending snmp v1 traps and snmptt cannot translate them. To grab a copy of the trap, I stopped the snmptt service, and copied the trap to /tmp. The OID I'm trying to trigger ...
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1answer
102 views

Box to create a VNC to multiple servers' VGA output and keyboard

My boss has ordered me to find a box that we can connect to our 8 servers, so that we can view the VGA output and use the keyboard as if we were sitting directly in front of the server (i.e. see that ...
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2answers
235 views

View realtime list of connections to Postfix

I am running Postfix on a linux box with a couple hundred local users with mailboxes. Is there a way to monitor all incoming connections (SMTP) to the Postfix service? I.e. a live stream of "IP ...
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2answers
322 views

How do I audit network connections that exceed a certain amount of traffic or bandwidth on Linux?

I've looking after some Debian boxes and occasionally I see a big spike in the network traffic. I'm graphing metrics with graphite (being fed by a sensu check which gathers per-interface metrics every ...
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1answer
171 views

How to make Dstat show units

Im using Dstat on Centos to monitor incoming network, and it only shows numbers, not the B/Mb that I have seen on other peoples Dstats, how do I make it show the units? Example of current Dstat: ...
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1answer
137 views

If you use Intel Rapid Storage for RAID1 on Linux server, how would you know 1 SSD is failing?

I use the motherboard's RAID1 to mirror the 2 SSD, in Linux server it see only 1 'Intel Volume1,' in times where 1 SSD fail how would I know? Thanks.
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1answer
80 views

Monitoring heartbeat centos

I am using HAproxy on two servers and for high availability using heartbeat and everything is okay, but I want to monitoring heartbeat I have a long search and get clustat command but can't find it on ...
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4answers
300 views

Recording network traffic peak per second every 5 Minutes

I would like to monitor my peak network usages. I already use munin to monitor network traffic in a 5 minute sample. But as we have lot of peaks of http traffic which lasts only a few seconds I want ...
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1answer
119 views

Alerting on threshold crossing?

We are using logstash + elasticsearch + Kibana to parse, store and view our logs respectively. Now, we want a notification/alert when a threshold for a particular log or threshold for a particular ...
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0answers
56 views

SMI generation / detection in GRUB / real mode vs. in Linux

I'm trying to get an idea of the frequency and duration of SMI events on a Supermicro X10SAE C226 board (2.0a BIOS) with E3-1245v3 Haswell CPU. The Intel BIOS Implementation Test Suite (BITS) SMI ...
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101 views

How to monitor CacheCade with MegaCli?

I configured the following virtual device for CacheCade: # MegaCli -LDInfo -L1 -aALL Adapter 0 -- Virtual Drive Information: CacheCade Virtual Drive: 1 (Target Id: 1) Virtual Drive Type : ...
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0answers
31 views

Icinga Performance issue when using many service groups

We have an Icinga installation with more than 3k active service checks. Performance is acceptable. We're already using the use_large_installation_tweaks option. We have now started to build a ...
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0answers
51 views

NagiosXI: Changing default view of performance graphs

I have been using NagiosXI and in order to display performance graphs, it comes with two utilities- Graph Explorer and pnp4nagios. By default, pnp4nagios would show the details in 24-Hour view. How ...
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54 views

Adding services to NagiosXI

I am trying to configure nagiosgraph-1.5.1 in NagiosXI installed on RHEL6.1. I have followed this guide and everything worked fine till some point. Under the subheading "Adding Service to ...
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86 views

NewRelic Availability Monitoring of Third Party Service

Background NewRelic offers availability monitoring whereby you can specify a ping URL for an application and have NewRelic send HTTP GET requests to that URL and GREP the response for selected text, ...
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1answer
329 views

Agentless monitoring: how does it work? Advantages over traditional monitoring?

How does agentless monitoring work? From what I understood (or not), it seems this is accomplished by logging into the node-being-monitored from a central server and uploading-then-running scripts on ...
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1answer
198 views

Can Ping but Cannot Telnet directly to SQL Server 2012 Cluster Nodes

We have a monitoring tool (Solarwinds Orion) that needs to connect to a 2-node failover SQL Server Cluster. For reasons outside of our control -- we cannot monitor the CLUSTER IP directly at this ...
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84 views

how to create a 95th percentile graph from an aggregate graph

I am using cacti version 0.8.8b, and I have created aggregate graphs using the aggregate plugin, however am having problems with creating a 95th percentile graph of the aggregate graph. Any time I try ...
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2answers
939 views

Nagios: turn off service checks/display on down hosts

I want to to tweak nagios in such a way that all checking stops (with services not displayed, or displayed as unknown) for any down node. Said differently I only want to see one alert for a down host ...
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2answers
349 views

Monit issues with mysql Ubuntu server 12.04

I've installed Monit on Ubuntu server 12.04 but Im having issues getting mysql monitoring to work at all. Here is what I have done so far. #/etc/default/monit startup=1 #/etc/mysql/my.cnf pid-file ...
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2answers
477 views

How to use nagios to monitor Zookeeper nodes

Sorry this may be a basic question, but I am new to both nagios, and zookeeper. My company has an application that uses zookeeper to track job status, by creating/destroying nodes. I need to be able ...
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50 views

NagiosXI- Configuration verification failed

I am using check_ping command to check connection statistics of remote host. When I run the above command on command line, it gives me proper output, shown below: Syntax: ...
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1answer
68 views

How to best monitor/log problems on eth0?

I have manually configured an email server - very simple config and I have done no fancy networking. I simply opened up only the relevant ports via iptables. Once every 10-15 days however, eth0 ...
5
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1answer
118 views

Notify when some grouped services fail in Nagios [duplicate]

I have three DNS services, each on different hosts configured in Nagios. Each service notifies me whenever it is failing (DNS on host A down). Is it possible to configure Nagios so that I'm only ...
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4answers
1k views

Monitoring important log files on multiple linux hosts?

I have a few servers running on AWS and have Nagios/Icinga doing the monitoring of all critical services. We're trying to figure out the best way to monitor all logs - system, DB, PHP, Apache, etc - ...
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0answers
81 views

suspicious connection on server

OS: Windows Server 2003 Monitoring tool: CurrPorts When monitoring traffic on the server for traffic going out on port 80, example of results: 5/1/2014 2:36:23 PM Added cscript.exe TCP ...
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1answer
865 views

How best to monitor logstash?

I've seen this question on the mailing list a few times but haven't had a satisfactory answer. How best to monitor that the pipeline isn't stuck? Clients -> logstash -> elasticsearch. Logstash and ...
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43 views

Groundworks install and IP

We are running a virtual server with Ubuntu 12.04 and Groundworks 7.01. I have had a lot of issues with the running of this in that it installs fine and lets me log in and set the licence file but as ...
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2answers
2k views

Graphite shows “None” for all data points even though I send it data

I have installed Graphite via Puppet (https://forge.puppetlabs.com/dwerder/graphite) with nginx and PostgresSQL. When I send it data manually, it creates the metric but all its data points are "None" ...
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2answers
213 views

Bash example of testing if a secure IMAP connection works?

I want to add a test for a secure IMAP connection, authentication being part of it. That I would run using a cron job. If anything wrong happens I do want to get and email, so if it goes well it ...
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0answers
84 views

What should I use to monitor elasticsearch health?

I am planning on using elasticsearch in production for the first time. What statistics is it recommended that I monitor? I am currently monitoring: /_nodes/stats for jvm.mem.heap_used_percent over ...
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1answer
189 views

Port level traffic monitoring (with graphs)

I'm looking to monitor traffic (incoming, outgoing and total monthly) on a few ports (mostly TCP) and I've done a ton of Googling around and everything leads to software I either can't manage to use, ...
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1answer
122 views

Time period in Nagios - First weekday after EOM?

I'm trying to set up a custom time period for some of my Nagios notifications. I need to execute checks for the first weekday after EOM. This would meet the following criteria: day of month >1, ...
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1answer
532 views

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 ...
2
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2answers
224 views

Delaying a Nagios/Icinga check

When monitoring the healthy of a server, some faults or warnings are immediately urgent but others only matter if they persist. I'm thinking of things like: Some software needs to be updated Time ...
0
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1answer
498 views

Why are changing Zabbix's triggers status to unknown?

In zabbix I have an item which i create some triggers for that on below conditions: {Server Template:mysql.slowqueries.last(0,1800)}>{Server Template:mysql.slowqueries.last(0)} {Server ...
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0answers
60 views

Nimsoft probe for initscripts

Do any of the Nimsoft products from CA allow you to easily create probes for an initscripts style of service? I know it can probe individual processes from ps dumps, but a single service might launch ...
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0answers
106 views

OpenTSDB Web interface showing nothing other than header and footer

NOTE: I moved the question from stackoverflow to serverfault as this question didn't attract attention. I have a temporary OpenTSDB and hbase hosted on a aws micro server. http://54.72.180.169:4242/ ...
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1answer
111 views

Where is my bandwidth?

We've got a DSL line rated at 7Mbps. The best speed test results are little over 4Mbps. After replacing our modem, and spending hours on the phone with Verizon, they say that 4Mbps is within ...
0
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1answer
43 views

Two different SSID's on the same chanel. Is it safe?

If I have multiple network, that have their SSID's on the same channel, can I go into monitor mode(of the wifi interface) and capture packets of the other SSID?
0
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1answer
2k views

how to get zabbix item values in two different time for trigger?

For monitoring some database servers parameters (NOT ZABBIX self), In zabbix I need to create a trigger for checking an item value at every 15 minute and run if the last retrieve value is increase or ...
1
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1answer
35 views

how to check server availibility from a region [closed]

whats the best automated way (tool/service) to check if my server is available from a specific country. Eg some users from Russia are complaining they cannot reach our server and I need to verify ...
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1answer
182 views

monitoring mailscanner queue with zabbix

Anoyne knows how to setup zabbix monitoring for mailscanner queue ? We managed to setup monitoring for exim queue, but we noticed that mailscanner also fills its queue sometimes and we would like ...
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0answers
66 views

What should I consider when I plan a meaningful monitoring for SNMP Switch (SG200-50)

I am currently planning the monitoring of a switch and would like to consider beforehand what I need to be closely monitored in order to obtain errors and warnings are also useful. I have a Cisco ...
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3answers
2k views

What tool to use to identify a high-CPU Tomcat thread?

We have a load balanced server farm using Tomcat 7. Once in a while (once a day, at least) a server's CPU load spikes way up. This appears to be legitimate server usage and not a fault, but I ...