Questions tagged [monitoring]
Applications or appliances that observe machines, systems and networks to find problems and notify administrators.
2,452
questions
0
votes
0
answers
20
views
Correct way to setup a multinode LGTM stack
I have a 4 nodes clusters:
MonitoringCenter, hosting
a Grafana, connected to all Prometheus and Loki instances + local AlertManager
a Prometheus scraping local NodeExporter/AlertManager/Loki/...
- 199
0
votes
0
answers
11
views
How to add configuration for fluent-plugin-prometheus in Fluentd deployed via Fleet in Rancher?
I'm using Rancher to manage my Kubernetes cluster and have added a logging system (cattle-logging-system) via Fleet. I now need to add monitoring for Fluentd using the fluent-plugin-prometheus.
Here's ...
0
votes
1
answer
48
views
Command not running in Nagios
Can anyone clarify for me why the following code is not running when I place it in command_line for a custom Nagios command? It works when I run it in terminal.
command_name notify-host-by-sms
...
0
votes
0
answers
15
views
Spike in Cadvisor container_network_receive_bytes_total Metric in a Kubernetes Cluster
Summary:
I'm using Cadvisor with Prometheus in multiple Kubernetes (k8s) clusters to monitor network traffic usage. I utilize the container_network_receive_bytes_total metric in a query to calculate ...
0
votes
0
answers
20
views
Port 80, 443 and 2875 monitoring in zabbix
Im monitoring port 443 and port 80 on zabbix With simple check and i put
List item
[http,,443] instead of [https,,443] is that will perform the correct monitoring for port 443??
What will happened ...
-1
votes
0
answers
14
views
Smart montoring and alerting services
I'm working on a somewhat large application(1million+ paying users). Currently we know when something goes wrong because the code raises an exception.
But sometimes failures can be silent(a cronjob ...
- 139
0
votes
0
answers
13
views
Gravitee 3.20 healthcheck locations
Maybe someone had a similar issue with healthchecking gravitee helm deployment - cannot find any endpoinds for the healthchecks. I had asked chatgpt and found documentation for it, but neither ...
- 1
0
votes
1
answer
42
views
Systemd CGroups - where are logs for exceeding resource limits?
By default systemd assigns resource limits through CGroups like TaskMax, here's a example of this:
$ systemctl status sshd
● sshd.service - OpenSSH Daemon
Loaded: loaded (/usr/lib/systemd/system/...
- 1
0
votes
0
answers
37
views
Identifying processes causing 100% cpu usage [duplicate]
Some users report high CPU usage on their computers during ordinary activities (like Teams calls).
How can I collect a report of processes causing high CPU usage over a few hours?
I would like to use ...
0
votes
0
answers
27
views
Top IPs used output traffic for last month - Debian
I have server running Debian 11 and it is a webserver, I need to know in a specific period what is the IP that utlize more traffic out from the server, I find some tools like iftop and vnstat, but I ...
0
votes
0
answers
29
views
See per-VM network usage in Xen Hypervisor (nethogs)
How can I see my network utilization per-VM in realtime in Xen?
On a system, I can see the real-time, per-process utilization of my network using nethogs.
On my Xen system, there's xentop, but (even ...
- 759
0
votes
0
answers
82
views
kube-prometheus-stack redundancy across multiple clusters
I currently use kube-prometheus-stack to monitor several kubernetes clusters. Each cluster has its own deployment of the kube-prometheus-stack, however, there is currently only one cluster (a) that ...
- 31
0
votes
0
answers
25
views
Why does my monitoring metrics of the Log Analytics workspace not display the server information?
I installed recently a Log Analytics agent on one of my Windows on-premise servers.
The agent has a healthy heartbeat and I am able to query logs.
I would like to visualize certain properties of the ...
- 183
2
votes
2
answers
57
views
Online monitoring / dashboard service for multiple metrics
I know there are services like Uptimerobot and Pingdom that monitor web service uptime.
I'd like to easily monitor web availability as well as backup status, eg if a backup ran/ completed properly. I'...
- 281
0
votes
0
answers
21
views
How to calc data transfer size for a port with node.js?
I developing a node.js program,
I want know how much data transfered per port, but i didnt found native node.js solution, there is thired party program, if thay have api,it can be usefull, can you ...
- 3
0
votes
0
answers
16
views
AWS SES - Stat=Sent
My organization sends 60k of email a week on SES. I track bounces and complaints in CloudWatch and with an SNS topic. Every now and again I need to confirm delivery of a specific email. I used to grep ...
0
votes
0
answers
391
views
Communication failure between agent and Zabbix Docker server
Currently I have the following scenario:
First server: I have the Zabbix components: server, gateway and web interface (along with a mysql database), all running via Docker containers (released port: ...
- 1
0
votes
0
answers
45
views
Script to scan log file
I have a log file with the content below. Let's call it as cpu_usage.out:
2023-04-12 12:04: CPU STATISTICS CRITICAL : USED:- 2.52% IDLE:- 97.49%|CpuUsed=2.52;0;1 CpuIdle=97.49;0;1
2023-04-12 12:05: ...
- 17
0
votes
0
answers
107
views
Causes of packet loss on multiple persistent tcp connections simultaneously?
The issue was detected while analyzing some application logs, which reported few seconds long spike periods when messages from multiple clients are received on the server with a substantial delay (up ...
- 111
0
votes
0
answers
12
views
Filter types on Network Error Login (NEL) reports
I have implemented (NEL) Network Error Login with this headers:
nel: {"report_to":"default","max_age":3600,"failure_fraction":0.5}
report-to: {"group":...
- 772
0
votes
1
answer
224
views
Nagios core GUI/UI fails to open after nagios-4.4.6-4 to 4.4.9-1 update on Rhel8
Nagios core GUI/UI fails to open after nagios-4.4.6-4 to 4.4.9-1 update on Rhel8 vm.
Whoops! Error: Could not read host and service status information!
Nothing in /var/log/nagios/nagios.log.
/sbin/...
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
1
vote
1
answer
31
views
What are interfaces when viewing vnstat data?
I'm trying out vnstat. I can see rx (recieved) and tx (transmitted) data counts for two interfaces. Simple enough. But what are the interfaces? how can I look up what service they represent?
- 131
0
votes
1
answer
588
views
Monitoring of MySQL replication and alerting when replication is not working
I have a question about monitoring of MySQL replication and in particular about alerting using Grafana/Prometheus.
We have 2 MySQL(MariaDB to be exact) instances for which replication is configured: ...
- 11
0
votes
0
answers
16
views
Why sum of all process CPU(%) is not equal to total cpu(%) utilisation in top output [duplicate]
I have decided to create a simple monitoring tool for my Linux server. For the CPU montoring I relied on top command but I have feq queries on that.
In the attached Top Command image of top command ...
1
vote
1
answer
284
views
Proof that aws cloudwatch get-metric-statistics works
I am learning to use the aws cloudwatch get-metric-statistics subcommand in the AWS command line tool. To prove to myself that I am using the tool correctly, I would like a simple example command that ...
0
votes
0
answers
269
views
How to monitor windows GPU in zabbix
I am using zabbix 6.0 and I wan to monitor the gpu usage and temperature and other things related to GPU of my windows host, How can I do that, I have windows 10 and agent installed
- 5
0
votes
0
answers
84
views
Agent prometheus does not send metrics
I am trying to configure a Prometheus agent with the 'remote_write' function. The Prometheus agent configuration file has these parameters.
global: scrape_interval: 30s external_labels:
...
- 1
0
votes
0
answers
362
views
Uptime Kuma - Server not loading CSS changes
So I'm trying to change the title on the dashboard from "Uptime Kuma" to something else Example: link to the temporarily changed title via devtools from "Uptime Kuma" to something ...
0
votes
1
answer
65
views
send a get request to url in monit (linux)
I'm trying to find out when a file size increase stops and then sends a GET request to some URL.
already added this conf in
/etc/monit/monitrc
check file file.log with path /home/projects/my_project/...
- 101
0
votes
1
answer
86
views
How to find usage (memory) of databases inside a Google CloudSQL instance?
I run multiple databases inside a single CloudSQL instance. My problem is that I cannot get monitoring insights at the individual database level. For example, if I want to know how much memory a ...
- 483
-1
votes
1
answer
26
views
How to monitor web servers by checking their availability and integrity?
Good morning,
My objective is therefore to monitor several web servers and ensure that each one is UP, available, but also to verify that they have not been victims of attacks.
The idea is to find ...
- 1
-1
votes
1
answer
168
views
Monitor Services and Event Logs on Windows Servers
We are standing up a new environment and will be installing SIEM tools, etc. in the future.
We have a few dozen Windows 2019 servers so far. I've been tasked with providing a solution for monitoring ...
1
vote
0
answers
75
views
aws guardduty some alerts won't notify on slack
I have recently setup aws guardduty with slack notification using this guide right https://medium.com/@damitj07/how-to-create-a-slack-alert-for-guardduty-49d542927529, there were a few issues with the ...
- 129
0
votes
1
answer
259
views
How to monitor systemd?
I am looking for a way to monitor systemd services: Basic things such as whether they are running or not is a good start (and anything else on top is a bonus).
I tried using node_exporter, but since I ...
- 211
0
votes
0
answers
247
views
Kuberhealthy deployment health check fails frequently saying cluster ClusterUnhealthy kuberhealthy
Steps to reproduce:
kuberhealthy runs a deployment check regularly
While the deployment seems to complete it fails to report the status on kuberhealthy service
$ k get events -nkuberhealthy | grep ...
0
votes
0
answers
636
views
Monitor disk I/O with zabbix
I'm running both zabbix 5.0.30 and zabbix agent 5.0.30 on Centos 7
In Centos 7 server, I executed this command
[root@STG-front default]# iostat -d sda
Linux 3.10.0-862.el7.x86_64 (STG-front) 01/09/...
0
votes
0
answers
412
views
Alertmanager does not send resolved email
I have configured an alertmanager and it sends alerts properly But it does not send resolved email. I have tried different amount of time for resovled timeout but it did not work
here is my ...
0
votes
1
answer
3k
views
Warning: atop.service changed on disk. Run 'systemctl daemon-reload' to reload units [closed]
I was trying to change the atop log interval on CentOS 7 cPanel server from 600 to 60 seconds and tried editing the file /etc/system/system/multi-user.target.wants/atop.service (Environment="...
- 13
2
votes
0
answers
2k
views
Explain of OOM killer logs
I have a question about the OOM killer logs. We are expecting a lot of OOM kills.
The ecosystem
My ecosystem looks like below:
I have a server with 4 cores and 8 GB of RAM.
I am running there the ...
- 152
0
votes
0
answers
70
views
How to resend SNMP trap which was already received and translated
I have monitoring system where devices are sending traps. The traps are translated. After translation I'm using regex to get the "human readable" data and insert it into the monitoring page.
...
0
votes
0
answers
103
views
Prometheus scraping halted for last 20 minutes
My prometheus dashboard has values missing for the last 20 minutes, no matter when I query (container_cpu_usage_seconds_total) it. What could be the reason behind this?
Screenshot of dashboard
- 1
0
votes
0
answers
20
views
HostTracker API update already present domain
I have already present domain on host-tracker.com
Using this POST /api/web/v1/tasks/http I can create a domain monitoring with DNS exp, SSL check, etc...
Using PUT, I should update a domain, according ...
0
votes
0
answers
47
views
What is the best way to set up Prometheus + Alertmanager with a HA
I have a monitoring solution that uses Prometheus as a scraper and a data storage, Grafana as a visualiser and Alertmanager as an alerting tool. This all is running on a single server.
However, there'...
- 413
1
vote
0
answers
1k
views
Obtain statistics of CPU and memory usage from one cgroup
Context
I have a system in which I have to check periodically usage:
relative (percents) for CPU
and absolute (GB) for memory.
How it's currently implemented
Language we're using is python.
system-...
- 201
0
votes
0
answers
139
views
PRTG PowerShell Remoting Requirements for Custom EXE/Script Advanced Sensor
I've created a script for checking the TLS certificate assigned to an SMTP Relay server which supports SMTPS. The code is available here if that's of interest.
The documentation says that powershell ...
- 1,214
0
votes
0
answers
353
views
LSI Storage Authority (Windows) losing registered ESXI after reboot
I have an issue with the RAID Monitoring Software LSA for Windows (LSI Storage Authority).
I can add an ESXI manually and manage/monitor the RAID controller fine, but as soon as im rebooting the ...
- 1
0
votes
1
answer
141
views
Pink in memory htop
What does the pink color in memory htop means and how can I reset it?
You can see example here:
htop preview
-1
votes
1
answer
529
views
Can Wazuh work for a single agent with less than the stated minimum hardware requirements?
I was surprised to find that the Wazuh server requirements state 2gb and 2 cores are the minimum requirements - but I wonder how much these numbers are tailored towards supporting multiple agents.
Is ...
- 113
0
votes
1
answer
97
views
Monit: Editing in-built alert text
i have the monit tool setup on a linux box, and it's been monitoring apache and the overall system for a few months. The apache config file is:
check process apache with pidfile /var/run/httpd/httpd....
- 3