Upgrading MySQL server in MacOS

Change temporary password and recover data from old version

Guide Database MySQL MacOS

Configure bitbucket pipelines to use custom SSH private keys

Using Bitbucket repository variables

Guide Capistrano Pipelines Deployment OpenSSL

Setup sidekiq with systemd and capistrano integration

On Ubuntu 18.04

Guide Capistrano Deployment Ubuntu Sidekiq

Setting up and deploy Laravel, PHP 7.3 on Ubuntu

2019 Updated

Guide PHP Laravel Ubuntu Setup Deployment

Check signature of Android APK

Guide Android Security SDK

Setting up Nginx and Passenger on Ubuntu 18.04

2019 Updated

Guide Ubuntu Passenger Nginx Setup

Setting up ruby on rails on Ubuntu 18.04

2019 updated

Guide Ruby Rails Setup Ubuntu

Reconstruct RSA public key from exponent and modulus

Via ASN1 definition and OpenSSL

Guide OpenSSL Public Key

Remove html extension and map URL to static html file in Nginx

Useful for serving static website

Guide Nginx Config

Get and set json type data on html form in Rails

Via Activerecord and form helper

Guide Rails JSON Form

Changing the passenger max process

Adjust to balance the performance vs. resources

Guide Ruby Passenger Nginx

Using Active Storage for API project

With AWS S3 as storage service provider

Guide Rails Active Storage S3 AWS

Nginx 1.13.9+ HTTP/2 server push

To reduce round trip time (RTT)

Guide Nginx HTTP2 Performance

How to use yarn in Rails 5.1 to manage javascript dependencies?

Including steps to upgrade from older version of Rails

Guide Rails Javascript Yarn

How to set CAA DNS record?

To hint SSL CA if they are authorized to issue a cert for this domain

Guide Security SSL DNS