Sai Kothapalle seeker815

Don't use VPN services.

No, seriously, don't. You're probably reading this because you've asked what VPN service to use, and this is the answer.

Note: The content in this post does not apply to using VPN for their intended purpose; that is, as a virtual private (internal) network. It only applies to using it as a glorified proxy, which is what every third-party "VPN provider" does.

(A Russian translation of this article can be found here, contributed by Timur Demin.)

Why not?

Tools

Presentations

AWS Golang SDK examples

System Updates

http://bookofzeus.com/harden-ubuntu/initial-setup/system-updates/

Keeping the system updated is vital before starting anything on your system. This will prevent people to use known vulnerabilities to enter in your system.

sudo apt-get update
sudo apt-get upgrade
sudo apt-get autoremove
sudo apt-get autoclean

Filling an array or slice with a repeated pattern

Looking for an efficient pure GO approach to copy repeating patterns into a slice, for a toy project, I ran a few tests and discovered a neat approach to significantly improve performance. For the toy project, I am using this to fill a background buffer with a specific RGB color pattern, so improving this performance significantly improved my acheivable framerate.

All the test were run with a buffer of 73437 bytes, allocated as follows

var bigSlice = make([]byte, 73437, 73437)


	FILE SPACING:

	# double space a file
	sed G

	# double space a file which already has blank lines in it. Output file
	# should contain no more than one blank line between lines of text.
	sed '/^$/d;G'

	knowledge dump on container runtimes

	KataContainers
	- image coupled with kernel
	- light vm layer
	- can run in nested virturalization environments if hardware supports and you can enable it in bios (ex. only bare metal EC2 instances, limits many cloud providers)
	- slower startup time
	- OCI compliant
	- previously known as ClearContainers by Intel

	package main

	import (
	"fmt"
	"reflect"
	)

	type Foo struct {
	FirstName string `tag_name:"tag 1"`
	LastName string `tag_name:"tag 2"`

	package something

	import (
	"bytes"
	"errors"
	"fmt"
	"io/ioutil"
	"net/url"
	"path"
	"sync"

	pipeline {
	agent any

	parameters {
	string(name: 'environment', defaultValue: 'default', description: 'Workspace/environment file to use for deployment')
	string(name: 'version', defaultValue: '', description: 'Version variable to pass to Terraform')
	booleanParam(name: 'autoApprove', defaultValue: false, description: 'Automatically run apply after generating plan?')
	}

	environment {