dymk

import dbus, avahi
from dbus.mainloop.glib import DBusGMainLoop
from gi.repository import GLib
import time

class Runner():
    def __init__(self, avahi_server):
        self.avahi_server = avahi_server

    def on_state_change(self, state, error):

HosseyNJF

Usage

• Export your data from Prometheus: https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#how-to-export-time-series
• Run this script on the new data python3 delete_timeseries.py -i imported_file.json -o output_file.json --from [unix timestamp] --to [unix timestamp]
• Delete original data from Prometheus: https://docs.victoriametrics.com/#how-to-delete-time-series
• Import the converted data: https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#how-to-import-time-series-data

Note that the response cache must be deleted after these steps in order to remove previously cached results - see more details here.

rishitells

Configuring Jest Tests in GitLab CI

1. Add GitLab CI configuration file in the root

In the root of your project, add .gitlab-ci.yml with the configuration below.

image: node:latest

stages:

f41gh7

apiVersion: operator.victoriametrics.com/v1beta1
kind: VMServiceScrape
metadata:
  name: apiserver
  namespace: monitoring-system
spec:
  endpoints:
  - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
    bearerTokenSecret:
      key: ""

superseb

k3s etcd commands

etcd

Setup etcdctl using the instructions at https://github.com/etcd-io/etcd/releases/tag/v3.4.13 (changed path to /usr/local/bin):

Note: if you want to match th etcdctl binaries with the embedded k3s etcd version, please run the curl command for getting the version first and adjust ETCD_VER below accordingly:

curl -L --cacert /var/lib/rancher/k3s/server/tls/etcd/server-ca.crt --cert /var/lib/rancher/k3s/server/tls/etcd/server-client.crt --key /var/lib/rancher/k3s/server/tls/etcd/server-client.key https://127.0.0.1:2379/version

gmolveau

golang offline module dependencies download

Using go mod vendor

0 - With an existing module

• copy go.mod and go.sum files from the offline PC to the internet PC

0bis - New module

max-rocket-internet

CPU: percentage of limit

A lot of people land when trying to find out how to calculate CPU usage metric correctly in prometheus, myself included! So I'll post what I eventually ended up using as I think it's still a little difficult trying to tie together all the snippets of info here and elsewhere.

This is specific to k8s and containers that have CPU limits set.

To show CPU usage as a percentage of the limit given to the container, this is the Prometheus query we used to create nice graphs in Grafana:

sum(rate(container_cpu_usage_seconds_total{name!~".*prometheus.*", image!="", container_name!="POD"}[5m])) by (pod_name, container_name) /

abdennour

Overview

This is a solution of a common problem with Nexus Docker repositories. The administrator has to expose port for "pull", another port for "push", other ports for each hosted repository. This solution is about leveraging Nginx reverse proxy to avoid using these ports.

How it works ?

Given :

• Nexus hostname is "nexus.example.com"
• Nexus web port is 8081

john-auld

Using ssh-agent with Visual Studio Code on Windows 10

Enable the ssh-agent service

To enable SSH Agent automatically on Windows, start PowerShell as an Administrator and run the following commands:

# Make sure you're running as an Administrator
Set-Service ssh-agent -StartupType Automatic
Start-Service ssh-agent

ww9

Blogging with Gist

Gist simplicity can turn blogging into a liberating experience.

Pros	Cons
✅ Free, simple, fast, hassle-free	❌ Image upload in comments only
✅ Tagging	❌ No post pinning
✅ Search	❌ Doesn't look like a blog
✅ Revisions	❌ Unfriendly URLs