elmazzun elmazzun

Networking scenarios [Linux Only]

KIND runs Kubernetes cluster in Docker, and leverages Docker networking for all the network features: port mapping, IPv6, containers connectivity, etc.

Docker Networking

KIND uses a docker user defined network.

It creates a bridge named kind

After download and move to your interested folder, add this line to ~/.bashrc and ~/.profile

export GOPATH=$HOME/gowork
export GOBIN=$GOPATH/bin
export PATH=$PATH:$GOPATH/bin
export GOROOT=/usr/local/go

export PATH=$PATH:$GOROOT/bin

Simple Guide to setup Golang in your Mac and clone a repo.

Setup Go and workspace

Download the installer from the page https://golang.org/dl/ and install the package.

Type go in terminal, to verify the installation.

Create a Go workspace and set GO PATH

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.
A Turkish translation can be found here, contributed by agyild.
There's also this article about VPN services, which is honestly better written (and has more cat pictures!) than my article.

	oc patch clusterversion/version --type='merge' -p "$(cat <<- EOF
	spec:
	overrides:
	- group: apps/v1
	kind: Deployment
	name: cluster-monitoring-operator
	namespace: openshift-monitoring
	unmanaged: true
	EOF
	)"

	#!/bin/bash
	# Run as if it was called from cron, that is to say:
	# * with a modified environment
	# * with a specific shell, which may or may not be bash
	# * without an attached input terminal
	# * in a non-interactive shell
	# This scripts supports cron jobs run by any user, just run it as the target user (e.g. using sudo -u <username>)

	# An up-to-date version of this script may be available at https://github.com/daladim/run-as-cron

	#nullable enable
	using System;
	using System.Collections.Generic;
	using System.ComponentModel;
	using System.Linq;
	using System.Management;
	using System.Reactive.Linq;
	using System.Reactive.Subjects;

	/// <summary>

	apk --no-cache add curl
	curl -L -Ss "https://github.com/cloverstd/tcping/releases/download/v0.1.1/tcping-linux-amd64-v0.1.1.tar.gz" -o "/tmp/tcping-linux.tgz"
	tar zxf /tmp/tcping-linux.tgz -C /usr/local/bin && cd /usr/local/bin/ && chown root.root tcping && chmod 755 tcping