A toolset to gather temperature and power consumption metrics then collect in Prometheus. Can be found on GitHub https://github.com/jaroslawhartman/proxmox-monitoring/tree/main
Collecting script is running every minute on the pve host
* * * * * As stated in Proxmox Doc, you can create a custom Cloud-Init config where you’re free to set all parameters you need in a snippet yaml file, then generate a Cloud-Init custom image
This file is static
Handy command to remotely capture tcpdump from a K8s container located in Google Kubernetes Engine and then display it (live!) in Wireshark running on your PC:
% gcloud beta compute ssh jumphost --quiet --command='kubectl exec tra-rt-ag1-0 --namespace=app-ns -- sudo /usr/sbin/tcpdump When installing an Oracle application using OUI (Oracle Universal Installer) sometimes it verifies if a given host is reachable.
Unfortunately, in my case, it was always failing:
All this despite the host was perfectly reachable using Ping:
So what was …
After Ubuntu upgrade 18.04 -18.10, Prometheus Node Exporter started to complain:
root@grafana:~# /etc/init.d/prometheus-node-exporter
startStarting Prometheus exporter for machine metrics prometheus-node-exporter
/etc/init.d/prometheus-node-exporter: 45: /lib/init/init-d-script: /usr/bin/daemon: not foundFix for this is quite easy – just install missing dependency:
root@grafana:~# apt