Ruan Bekker ruanbekker

Build Go Docker containers:

Project with Makefile:

https://github.com/cyriltovena/logger

Go Modules:

https://blog.golang.org/using-go-modules

Double check that security_driver = "none" is uncommented in /etc/libvirt/qemu.conf and restart sudo systemctl restart libvirtd for permission denied issue

cd /tmp/
mkdir -p ~/.local/share/terraform/plugins/registry.terraform.io/dmacvicar/libvirt/0.6.2/linux_amd64
wget https://github.com/dmacvicar/terraform-provider-libvirt/releases/download/v0.6.2/terraform-provider-libvirt-0.6.2+git.1585292411.8cbe9ad0.Ubuntu_18.04.amd64.tar.gz
tar -xvf terraform-provider-libvirt-0.6.2+git.1585292411.8cbe9ad0.Ubuntu_18.04.amd64.tar.gz
mv ./terraform-provider-libvirt  ~/.local/share/terraform/plugins/registry.terraform.io/dmacvicar/libvirt/0.6.2/linux_amd64/

Moved to git repository: https://github.com/denji/nginx-tuning

NGINX Tuning For Best Performance

For this configuration you can use web server you like, i decided, because i work mostly with it to use nginx.

Generally, properly configured nginx can handle up to 400K to 500K requests per second (clustered), most what i saw is 50K to 80K (non-clustered) requests per second and 30% CPU load, course, this was 2 x Intel Xeon with HyperThreading enabled, but it can work without problem on slower machines.

You must understand that this config is used in testing environment and not in production so you will need to find a way to implement most of those features best possible for your servers.

Setup Kubernetes on KVM

This will show you how to setup a 1 node kubernetes (node) on KVM using k3s from the k3os iso

Install KVM

Install KVM:

$ apt install bridge-utils qemu-kvm virtinst -y

From:

Service Account:

# spinnaker-service-account.yml
apiVersion: v1
kind: ServiceAccount

Pritunl's letsencrypt cerificate expired and trying to access pritunl's ui presented a NET::ERR_CERT_INVALID error and for some reason you cant bypass it. While I couldnt restart the server at that time, I had to look at a way to access the UI to change the web domain to convert the SSL termination to a Load Balancer.

Thanks to this post: https://stackoverflow.com/questions/58802767/no-proceed-anyway-option-on-neterr-cert-invalid-in-chrome-on-macos you can do:

Right click, select inspect element
click on console tab
Copy paste sendCommand(SecurityInterstitialCommandId.CMD_PROCEED) press Enter

I am tinkering around with databases and want to make notes of performance optimizations by adding indexes.

I have 2 tables:

mysql> show tables;
+----------------------+
| Tables_in_customerdb |
+----------------------+

https://pypi.org/project/hackernews-client/

import requests
import json

def get_top_ten():
    ids = requests.get('https://hacker-news.firebaseio.com/v0/topstories.json?print=pretty').json()[0:10]
 for id in ids:

	{
	"Version": "2012-10-17",
	"Statement": [
	{
	"Action": "sts:AssumeRole",
	"Principal": {
	"Service": "ec2.amazonaws.com"
	},
	"Effect": "Allow",
	"Sid": ""

	apiVersion: v1
	kind: Namespace
	metadata:
	name: color
	labels:
	name: color
	---
	kind: Deployment
	apiVersion: apps/v1
	metadata: