Questions tagged [system-monitoring]
Questions regarding system monitoring - Nagios, Icinga, Spiceworks, Munin, Zabbix and more.
161
questions
1
vote
0
answers
62
views
my prometheus dashboard shows 0 on node_export instance
I have installed prometheus on a server and node_exporter on another server
I configured my prometheus.yml to interact with the node exporter
The connection works fine but the up query shows 0 which ...
- 113
1
vote
0
answers
22
views
Samhain -- how to stop it reading the entire database into memory?
We have seriously limited resources and Samhain seems to be the solution that responds to limiting resources like CPU etc most robustly for file integrity monitoring.
The target environment is an on-...
- 111
0
votes
0
answers
90
views
Debian 11 VM sudden CPU overload due to Node.js
I'm currently running into an issue where one of our Proxmox VMs, running on Debian 11, suffers of very sudden CPU overloads. This has happened past week already and again today. When this happens, ...
0
votes
1
answer
94
views
Does frequent ping affect local network speed?
(Sorry for my english)
Hi, I am about to set up a monitoring server and wanted to know if pinging the network devices could significantly affect the speed of the local network.
I want to ping every ...
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-2
votes
4
answers
209
views
All the reasons a Linux server might freeze
Every now and then, one of our remote Linux servers crashes: they're unavailable on the network (sometimes responding to a ping, but not to ssh/http) and they won't respond to mouse or keyboard input.
...
- 109
2
votes
0
answers
199
views
Is there a utility for detecting temporary system freezes?
Is there a (unix) utility which is able to detect temporary system freezes by observation?
E.g. I could imagine an utility which continuously fetches the system time, sleeps for a specific amount of ...
- 203
0
votes
1
answer
49
views
Is there any monitoring tools to create scenarios/dependencies check? [closed]
My team and I got the project to test a new monitoring solution that allow us to :
Perform classical monitoring checks (through SNMP, ping, sensor status, vendor librairies etc...)
Perform checks in ...
- 343
0
votes
1
answer
200
views
GCP Monitoring Alerts - Can you take an average across metric attributes?
We're using Bluemedora BindPlane to send on-prem utilization metrics to GCP.
In so doing, we're trying to create a GCP monitoring alert that will alert us if the CPU % for a server goes and stays ...
google-cloud-platform
0
votes
1
answer
293
views
Creating a stacked area distribution percentile graph in Google Cloud Monitoring
I've created a log based metric using logs stored in Google Cloud Logs based on HTTP response duration. I'd like to a graph which shows stacked area for 50th, 95th, and 99th percentile.
I've read the ...
0
votes
1
answer
1k
views
When should i link a host to a host group or template in Zabbix?
What i understand is that templates defines common entities to reuse them and groups allows us to classify our hosts.
Templates are well documented but host groups not. And again, what i understood is ...
- 111
-1
votes
1
answer
63
views
Recommendations for server monitoring tool without central access to the monitored servers [closed]
I'm looking for an open source server monitoring tool for my servers:
All servers running Linux, mostly current Debian Buster, but partly CentOS
Other OS (Windows, *BSD etc.) don't matter
Physical ...
- 153
0
votes
1
answer
1k
views
Prometheus Monitor Host Network Traffic From Within Docker Container
Is it possible / intended to use a prom/node-exporter container to monitor the network traffic of the docker host? In my setup, all the host interfaces show up in node_network_iface_id but ...
- 1
3
votes
0
answers
210
views
Prometheus not monitoring all EC2 instances of a region
I have set up Prometheus for the monitoring of my AWS EC2 instances, but the issue is taht Prometheus is showing up only 1 instance, however in my AWS instance account there are 2 instances running. ...
- 31
0
votes
1
answer
65
views
Monitoring the OnPremise network appliances from Azure?
People,
I have the need to monitor the OnPremise Network appliances (Gateways, Firewalls and other services IP addresses) from Azure, then send an email alert or trigger alert via PagerDuty.
https://...
- 1,275
0
votes
1
answer
193
views
Creating an SRE Testing Interview VM
I'm working on hiring for a Site Reliability Engineering role and I want to create a "broken" VM for them to log into and debug.
What sort of scenarios would you suggest I put in place to ...
- 311
1
vote
0
answers
38
views
Server Monitoring Tool via file transfer
I am trying to figure out a way to monitor many Windows servers with a monitoring tool like Nagios, Zabbix even PRTG. The challenge is that server are onboard vessels without a reliable internet ...
- 11
0
votes
2
answers
500
views
Systemwide File Access and System Call Monitoring on Linux?
In Windows land, you can run Procmon (Process Monitor) from Sysinternals, which will show you every File access, Registry Query etc Systemwide (screenshot attached). You can then backtrack to find ...
- 190
0
votes
1
answer
1k
views
running remote check commands using icinga remote agent
I have icinga v2.11.3-1 installed on 4 servers, one as master and the rest are agent nodes and they are some-what properly configured because they are visible in icingaweb2 under hosts.
what I want ...
- 333
5
votes
1
answer
7k
views
GCP VM Disk space alert
How can I configure GCPs monitoring suite to look at % disk utilization (in total space used, not IOPs)?
The only "disk used" metric I see in metrics explorer seems to chart some kind of units per ...
0
votes
1
answer
655
views
How is possible that free memory goes down and used memory is not going up?
I am collecting the results of free -m command on an ubuntu server every 5 seconds, and preparing a time series graph based on the values of free and used columns.
free -m
total ...
- 133
0
votes
1
answer
74
views
Difference between commonly used Classes (Targets) like Windows XYZ Operating System & Computer
I am a beginner in SCOM management. So far i was able to do a lot of things in it - all with the help from Technet and sometimes trial-error experiements. I tried to avoid posting this, read a lot of ...
0
votes
1
answer
4k
views
Check_MK: How to add service to Servicegroup?
I'm new at monitoring, and would to know is it possible to add a Services to a Servicegroup.
What I will do:
I have Servers how i monitor and created a Servicegroup, and now I will add queries like ...
- 23
1
vote
1
answer
394
views
How can I get msmtp to send system messages to my email?
I used to use ssmtp on Debian Stretch. Whenever there are system emails, they would get sent to my admin email. It was quite good because I would get a report on all my servers. This was true until in ...
0
votes
1
answer
267
views
atopsar on Ubuntu 18.04 not showing disk activity
I run Ubuntu 18.04.1 LTS on a AWS EC2 instance (t3.large)
myserver:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.1 LTS
Release: 18.04
...
- 53
0
votes
1
answer
2k
views
Excluding a certain file system from Zabbix regex based disk usage monitoring
I found this answer describing how to exclude a shared memory mount from regex based disk usage monitoring in Zabbix.
Is there any way to exclude a certain file system (CIFS in this case)... for ...
- 117
0
votes
1
answer
226
views
How to identify the source of growing blocked processes on a system container (LXC/OpenVZ)
When the number of blocked processes grow indefinitely, how to identify exactly what are these processes.
Since I'm inside a system container (LXC/OpenVZ), I can't modify the hosts' kernel modules to ...
- 608
0
votes
1
answer
262
views
Ganglia - missing metrics for some of the servers
I've installed Ganglia on my Ubuntu 16.04 servers, recently. I basically followed the instructions here.
The problem is, rrd files for sets of the metrics for some servers are missing.
Most ...
- 101
2
votes
1
answer
114
views
Nagios notifications only for online hosts
At work I have some 30 Linux workstations which share user accounts and data with NIS and NFS. Users are allowed to turn them off if they do not need them. In order to get an overview over the systems ...
- 237
1
vote
1
answer
2k
views
zabbix 3.2 - How to monitor RHEL7.2 services in zabbix
I am new in zabbix monitoring. I have 2 operation system to monitor windows and Linux and i have done monitoring windows services but i not getting any result on google to monitor linux server ...
- 109
0
votes
1
answer
345
views
Does it make sense to monitor free memory and CPU usage on servers?
I am monitoring my servers infrastructure using Icinga2 with some master/satellite configurations.
On Linux and Windows hosts I am monitoring the defaults system metrics like CPU usage and free ...
- 1,873
0
votes
0
answers
1k
views
On machine reboot via SNMP
Is it possible to reboot a windows or a linux machine via SNMP?
Most of information I've found is related to the reload of the SNMP service itself, instead of host reboot.
2
votes
2
answers
13k
views
How to reset the admin password for Observium
How can i reset the password for the user admin with MySQL or a Observium script.
MariaDB [observium]> select * from users;
+---------+----------+------------------------------------+----------+---...
- 165
0
votes
0
answers
1k
views
OSSEC - Not seeing alerts on the Server from file changes on the Agent
I have an OSSEC server and Agent installed and configured. I have imported the key to the Agent and they appear to be communicating. However, I am trying test the file integrity monitoring feature and ...
- 483
1
vote
2
answers
6k
views
kipmi0 process high cpu utilization
Running top on one of our debian 8 dedicated servers and noticed process kipmi0 utilizing 100% cpu. First off...does anyone know what this process is for, what it does, or what program is using it? Is ...
- 263
2
votes
1
answer
640
views
Check_mk time periods
I have a Check_MK Raw 1.4.0p21 setup on a Ubuntu box 16.04.3 LTS.
I`m having difficultie getting Check_MK to respect WATO Time periode.
As you can see in the code block, i have a window between 04:56 ...
- 143
-3
votes
1
answer
88
views
which monitoring tool is good for monitoring system hardware,software,user management and network activity for all kind of operating system? [closed]
Please kindly suggest me the tool for monitoring the system hardware, software, applications, services, user management and network related activities of IT Infrastructure.
-1
votes
1
answer
25
views
Tool / Suggestion o access for server logs [closed]
I want to publish the previous 3 days of log files in /var/log/msg at CentOS.
- 3
-1
votes
1
answer
111
views
How to monitor EMC VNXe3200? [closed]
Currently, I'm using Solarwind to monitor my system, but VNXe can not. Any solution to monitor this? I just get a notification via email or SMS when my disk or array is failed.
Thanks.
1
vote
1
answer
93
views
monitoring top processes for retrospective troubleshooting on linux
I often have trouble with servers which become inaccessible due to high CPU utilization which then have to be restarted or killed.
I use collectd and graphite for stats collection but I have not ...
- 274
0
votes
1
answer
65
views
Accessing an internal page from an internal system using the external network?
I am kinda new to this. I am setting up a Zabbix web-check for an internal service. But the URL needs to be hit from outside the internal network to get the right output. I do not want to have to set ...
- 1
0
votes
2
answers
2k
views
Zabbix: Different notification threshold for a template-inherited trigger on more capable hosts?
I have Zabbix 3.0 managing a couple dozen or so Linux servers. All of them have the "Template OS Linux" template, which has a warning trigger of "Too many processses running" if there are more than 30 ...
- 680
0
votes
0
answers
58
views
How to securely gather multiple servers data for monitoring
I got an 'admin' server where all admin GUI can be accessed.
I also have 2 other servers, 1 web and 1 db. As I expand for a nodejs server/api, I was wondering how could I transfer servers information ...
- 73
1
vote
1
answer
43
views
Clear filter in csysdig
How is it possible to reset the filter in csysdig and get the default that is present when the program starts?
- 772
2
votes
1
answer
457
views
Log system information collected by Monit to local log
I have configured Monit version 5.6 on an Ubuntu 14.04 server. There are few check like filesystem usage, remote host connectivity check and service monitoring.
Now, when I check the web gui of monit,...
- 123
0
votes
1
answer
295
views
Icinga2 - ExternalCommands filling my DB
Today I noticed all external commands received goes to the IDO, myicinga_externalcommands table on Postgres is over 350Gb (probably around 98% of DB).
As you may have guess, my setup is a bit ...
- 205
1
vote
1
answer
62
views
Hibernation mode in Windows
Is it possible to resume the current work session on a computer(Windows) in another computer (Windows) by copying the hiberfil.sys file?
- 11
6
votes
1
answer
397
views
Nagios OK notification at the beginning of the availability period
I'm monitoring an application which starts just before business hours and shuts down at the end of the day using Nagios 4.3. I've configured the notification period for it to start 3 minutes after the ...
- 235
0
votes
0
answers
483
views
Add existing Template to Zabbix host
Version 3.2.6.
After setting up a new host, I go to the Templates tab > Link new template and add Template App SSH Service for example. I then click Update and I get a green "Host updated" banner.
...
2
votes
0
answers
114
views
Make Nagios stack alarms when no connectivity to HP OVO
I'm implementing a small Nagios instance on a dedicated laptop to monitor some telcom devices.
The alarms have to be sent via our customer's reporting tool (like HP OpenView) via SNMP Traps. Nothing ...
- 121
-1
votes
1
answer
861
views
atop not working properly
I've (yum) installed atop utility in centOS 6.8. But when I run any atop command (eg: atop -a) , it is giving the following error in commandline.
Malloc failed for current sysstats
However, I'm ...
- 192