Questions tagged [monitoring]
Applications or appliances that observe machines, systems and networks to find problems and notify administrators.
139
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187
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What tool do you use to monitor your servers?
For a more comprehensive list of monitoring tools and their features, check out this Wikipedia page.
As the question states, what are the most commonly used tools used for this task and what are ...
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5
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What am I looking for in a Monitoring Solution?
This is a Canonical Question about Monitoring Software.
Also Related: What tool do you use to monitor your servers?
I need to monitor my servers; what do I need to consider when deciding on a ...
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votes
19
answers
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Can anyone recommend a website monitoring service? [closed]
What are people using for website monitoring services?
I am referring to a service that I can configure specific hits to my site to monitor if the site is up, and how fast it is responding to the ...
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606
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4
answers
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What exactly do the colors in htop status bars mean?
By default, htop shows colored status bars for processors, memory, and swap. From left to right, the bars are colored green, blue, yellow, and red depending on some thresholds.
What does it mean when ...
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10
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Network Traffic Monitoring
What is the best tool to monitor/analyze network traffic on an entire network (several subnets)?
I'm looking for something that will help me toubleshoot bandwidth problems when, for instance, users ...
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3
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Looking for Hard Drive Health Monitoring software [closed]
I am aware that the current standard method of drive redundancy and backups would be a better solution, but I would be interested if there was a software that could be installed on workstation ...
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44
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5
answers
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monit: check process without pidfile
I'm looking for a way to kill all processes with a given name that have been running for more than X amount of time. I spawn many instances of this particular executable, and sometimes it goes into a ...
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16
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3
answers
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Finding short-lived TCP connections owner process
Running tcpdump on local connections to an apache server, I found TCP connections being established and closed immediately every 2 seconds. How do I find which process is responsible for these? ...
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6
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How do you monitor the health of a mirrored disk in Windows?
I have a Mirrored Dynamic disk on my Windows 2003 Server. How do you monitor the health of the volume?
Is there a way to have the server send an email when there is an issue with the volume?
Is there ...
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5
answers
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What is the best way to monitor a production server?
We are running two production servers with Apache 2 and MySQL. I am looking for a reliable way of monitoring our load, stability and uptime.
I have come across monit, but are there better ...
user12828
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9
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Should old servers be retired
I have servers which are still running well but are over 5 years old. They are still doing the job perfectly and there will be no advantage to upgrade the servers, should I just let them run forever ...
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HP DL380 G6: Where is Temperature Sensor 30 (I/O Board Zone)?
In ILO2 firmware 2.15 on my DL380 G6, the Temp 30 sensor (location: I/O Board Zone) indicates 65C and my fans are running at 78% capacity. The Caution level for this zone is 110C, and the Critical ...
3
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4
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Nagios check whether at least one out of two services is OK
I have two following passive services: ServiceA, ServiceB on one machine.
I would like to have a sittuation when the OK state is satisfied by following conditions:
ServiceA is OK or ServiceB is OK
...
- 538
54
votes
4
answers
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ipmitool - can't find /dev/ipmi0 or /dev/ipmidev/0
Based on a previous question, I installed ipmitool (yum install ipmitool).
Even after a reboot, though, i get the following error when trying to run ipmitool power status:
Could not open device at /...
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6
answers
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Linux: logwatch(8) is too noisy. How can I control the noise level?
Our Linux systems run logwatch(8) utility by default. On a RedHat/CentOS/SL system, Logwatch is called by the /etc/cron.daily/ cronjob, which then sends a daily email with the results. These emails ...
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Is there a Windows equivalent of Unix 'CPU steal time'?
In order to assess performance monitoring accuracy on virtualization platforms, the CPU steal time has become an increasingly relevant metric - see EC2 monitoring: the case of stolen CPU for an ...
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Enable Ping in Windows Server Firewall?
I've just installed Windows Server 2008 on a server and I'm able to connect through Remote Desktop but can't ping. Do I need to open an special port on the firewall to be able to ping a server?
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Continuously monitor logs with tail that are occasionally rotated
We're using tail to continuously monitor several logs, but when a log is rotated the tail for that file will cease.
As far as I understand, the problem is that when the log is rotated, there is a new ...
- 928
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4
answers
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Monitoring production server [closed]
We have 3 dedicated server, splitted in several VPS using openVZ.
We're using munin to monitor the VPS with the production sites, and monit on some one of the VPS to make sure it restarts the service ...
- 1,158
17
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8
answers
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There is any monitoring hosted solution? [closed]
I know Zabbix and Nagios, but I don't know any company that host those services for others to use.
I would like to find a solution that monitored at least some of my public URLs (if they are ...
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13
votes
6
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Monitor a Windows Server using SNMP
How hard can this be? I want to get the current CPU performance from a remote Win 2k3 machine. I need to use SNMP because the machine is behind a firewall.
Assumptions:
I understand networking/can ...
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Monitoring Dell/HP Servers Running ESXi (Free)
What are you all doing to monitor ESXi servers that run the free edition? With the lack of SNMP support, it seems fairly limited to me. What'd I'd like to be able to do is get some type of alert when ...
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Monitor Internet bandwidth
We have an IPCop firewall/proxy installed in our network, and although I can use iftop to somewhat take a look at how the clients are using the Internet, is it possible to monitor it from outside the ...
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Network monitoring [duplicate]
Possible Duplicate:
What tool do you use to monitor your servers?
What software would you recommend to monitor a network? We have a main server which acts as a DNS among other services. And we ...
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7
votes
1
answer
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Accessing temperature data on ESXi5.1?
For ESXi5.1 (VMWare vSphere) images, I can see temperature data on the vSphere user interface (under Monitor / Hardware Status). I tried scouring the available snmp data using snmpwalk, but can't find ...
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What tool do you use to monitor your clients?
Well, we had "What tool do you use to monitor your servers?", and I wondered, do you (and should you) monitor your clients (desktops and laptops)? What tools are useful for this?
It seems to me that ...
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4
votes
1
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4k
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How can I monitor bandwidth usage by Virtual Host in Apache on Ubuntu
My Environment:
Apache 2.2.9, Ubuntu 8.10
I am trying to find a way to monitor the bandwidth usage on my server broken out by each virtualhost WITHOUT installing something like PLESK, CPanel, or ...
- 117
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8
answers
277k
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Get a history of CPU/memory usage
Is there someway to record Task Managers info about CPU and memory usage to examine later? Or an equivalent tool?
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44
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11
answers
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How to monitor and log the memory/cpu usage of processes over time? [closed]
I am looking for a way to diagnose issues, such as swap death, where a balooning memory process fills up swap and kills the whole machine (such as apache).
I'm already using cacti and I can set up ...
- 1,003
15
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7
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What Warning and Critical values to use for check_load?
Right now I am using these values:
# y = c * p / 100
# y: nagios value
# c: number of cores
# p: wanted load procent
# 4 cores
# time 5 minutes 10 minutes 15 minutes
# warning: 90% ...
- 10.6k
9
votes
4
answers
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What is the Best Way to Monitor Server Temperature?
I need to be able to monitor the temperature of a couple of servers remotely. Does anyone know of any free/cheap software that will monitor the server temp and email it or at least output it so that ...
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10
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Server health monitoring software [closed]
Hey all! I am looking for some software to monitor the health status of our servers. Our environment is a pretty typical mix of HP/Dell running Microsoft Server and VMware vSphere. We are currently ...
- 1,710
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3
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Monitoring an HP ProLiant DL380 G7 without the bloat
I bought a refurbished HP Proliant DL380 G7 off of eBay. I run CentOS, and I'd like to know when a drive fails. A friend tells me that the lights on the front probably won't light up since I don't ...
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12
answers
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application monitoring tools
we're an ISV about to deploy our SaaS application over the internet to our end users, and are currently looking for an application monitoring solution. In addition to monitoring the usual OS-level ...
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1
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Configure Nagios To Alert Depending On Host Group That Service Alert Originates From
So my setup:
Services are shared between all hosts (CPU/RAM/Disk/Services).
Hosts are split into two main groups: "Production" and "Development".
We have two contact groups: "Production" and "...
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How can I monitor memory usage for a windows-based JVM and trigger an alert if it gets too high?
I have an app that runs as a JVM in Windows 2008. I'd like to monitor it's memory usage and be sent an email if/when memory usage reaches a specific threshold. Is there a free utility or method for ...
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Monitor ESXi hosts with Nagios
Does anyone recommend any methods for monitoring ESXi 4.1 hosts with Nagios? I have looked into SNMP but it seems to be in a pretty sorry state. Net-SNMP does not seem to be included and there is a ...
- 84.6k
5
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4
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Hidden Periodic Screenshots on a corporate workstation?
Can anyone recommend something that allows us to take hidden periodic screenshots of a workstation?
We have a user who we believe is abusing his computer privileges. We have our suspicions that he ...
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votes
1
answer
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Icinga-web doesn't update when i change configuration
So I've just installed Icinga and Icinga-Web. And everything looked ok when first inspecting the UI's on http://[server]/icinga/ and http://[server]/icinga-web/...
I went on and added some new hosts, ...
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4
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6
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Recommended website performance monitoring services? [closed]
I'm looking for a good performance monitoring service for websites. I know about some of the available general monitoring services that check for uptime and notify you about unavailable services. But ...
- 355
2
votes
3
answers
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How can I monitor per-user bandwidth on linux?
I'm looking to monitor how much bandwidth different users consume on a server.
Effectively, I'm looking for something like UserIPacct (http://ramses.smeyers.be/homepage/useripacct/), where I can get ...
Aaron
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5
answers
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Zabbix server SELinux policy
I have a Zabbix server running on a RHEL 7 box and when I use the web front end (on the same box) it says Zabbix server is not running.
If I disable SELinux and change nothing else, the web front end ...
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1
answer
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Where are Nagios Availability-Report files stored?
How to access Nagios Availability-Report files to retrieve "UP Time Percent" and so other information about Hosts and Services?
I know It can be accessed through Nagios CGI but I want to use it on a ...
- 355
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vote
4
answers
355
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Monitoring a one-off service
We do not have any sort of proper server monitoring solution in place (a situation I'd like to rectify this summer), but I've got one service in particular that I'd like to monitor. [Our current ...
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vote
1
answer
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Awaken monit daemon every few hours for all monitored processes
I am seeing a problem with monit config in configuring the monit daemon to awaken every few hours and start monitoring the processes which were set to "Not Monitored" state.
PROBLEM:
When the monit ...
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1
answer
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VCenter Server shows error on Hardware Status for hosts
I'm running VMware ESXi on two Dell PowerEdge R610 servers, with a third server, a PowerEdge R410 running vCenter Server. We have an Essentials license.
In the past I used to be able to open vCenter ...
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5
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How can I find out how many updates are waiting to be installed on a remote server
Is there a way to find out if a Windows Server (2003, 2008) has downloaded the Microsoft Windows updates and is just waiting for the user to confirm "Install Updates and Restart the server"?
We use ...
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0
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1
answer
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Monitoring message delivery on Postfix (or Cyrus IMAP)
There's mail server based on Postfix. I need to monitor which messages are delivered to end-user? and which are not. In processing of each message I need to get some information from its attachment in ...
- 21
0
votes
2
answers
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Monitor status of VPN clients
Is there any better solution than ping -t for monitor status of some VPN clients.
I have set up FreeBSD router with fix public IP address for accepting incoming PPTP VPN connections.
The callers are ...
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41
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8
answers
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Colorize Monitoring of Logs
I sometimes monitor apache and php error logs using tail under FreeBSD. Is there any way to get colorized output, either using tail or some other command line app?
Alternatively, what is your ...
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