davistran86

Examples

$ kubectl get pods -o json
$ kubectl get pods -o jsonpath='{@}'
$ kubectl get pods -o jsonpath='{.items[0]}'
$ kubectl get pods -o jsonpath='{.items[0].metadata.name}'
$ kubectl get pods -o jsonpath="{.items[*]['metadata.name', 'status.capacity']}"
$ kubectl get pods -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.status.startTime}{"\n"}{end}'
$ kubectl get pods -o jsonpath='{.items[*].status.podIP}'

Steps to Terminal Enlightenment on a Mac

Hopefully you'll Live Long and Prosper, so I don't mean terminal as in "you gonna die". This is a somewhat opinionated article on configuring a macOS machine with:

iTerm2
Z-shell
Oh My ZSH!
Powerlevel9k
Nerd Fonts, which are Powerline-derived fonts, particularly my favorite - Hack Nerd

AWS CLI Cheatsheet

http://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html https://www.youtube.com/watch?v=_wiGpBQGCjU

Setup

The Architecture

Below is a sample architecture, no workers for this example :-)

VIP 192.168.0.40
K8S01 192.168.0.41
K8S02 192.168.0.42
DB01 192.168.0.43

Create our DB on DB01

Gitlab MicroK8s CI/CD Integration

Install microk8s

sudo snap install microk8s --classic
sudo microk8s status --wait-ready

Install plugins

The Promise All Problem

in case of processing a very large array e.g. Promise.all(A_VERY_LARGE_ARRAY_OF_XHR_PROMISE)

which would probably blow you browser memory by trying to send all requests at the same time

solution is limit the concurrent of requests, and wrap promise in thunk

Promise.allConcurrent(2)([()=>fetch('BLAH1'), ()=>fetch('BLAH2'),...()=>fetch('BLAHN')])

Lộ trình học ReactJS cơ bản cho người mới bắt đầu 2020 🎉

Đôi tượng: mới bắt đầu học ReactJS mà không biết học những gì.
Yêu cầu kiến thức:
- Javascript cơ bản: https://javascript.info/
- ES6 syntax: http://es6-features.org/#Constants
- Git cơ bản: Học cách quản lý source code
- NPM (Node Package Manager): Tìm hiểu xem đây là gì?
- Tiếng Anh (vì tài liệu đa số là Tiếng Anh)

Download Udemy course videos using youtube-dl

$ youtube-dl --list-extractors | grep udemy

Steps

Get link to the course to download. e.g. https://www.udemy.com/course-name/
Login into udemy website, save the cookie from Firefox (cookies.txt)[1] export extension. Save it to file cookies.txt

$ youtube-dl https://www.udemy.com/course-name/ --cookies ./cookies.txt > $ youtube-dl -u username -p password -o './videos/%(playlist)s/%(chapter_number)s - %(chapter)s/%(title)s.%(ext)s' https://www.udemy.com/course-name --cookies ./cookies.txt --verbose

	docker run \
	--name {{printf "%q" .Name}} \
	{{- with .HostConfig}}
	{{- if .Privileged}}
	--privileged \
	{{- end}}
	{{- if .AutoRemove}}
	--rm \
	{{- end}}
	{{- if .Runtime}}

	# KEYCLOAK BASE URL
	KEYCLOAK_BASE_URL=

	# KEYCLOAK CLIENT SECRET
	KEYCLOAK_CLIENT_SECRET=

	# KEYCLOAK CLIENT ID
	KEYCLOAK_CLIENT_ID=

	# BASE URL FOR NEXT AUTH