Website security checks

Security headers, TLS/SSL

Snippet Security

Ubuntu directory permission for laravel app deployment

Config PHP Laravel Ubuntu

nokogiri fails to build with libxml2 error

Snippet Nokogiri Ruby Gem

Library not loaded: 'libssl.1.1.dylib' for older mysql2 gem

Snippet MySQL Ruby Gem

Could not find 'ed25519' error when running Capistrano deploy

Snippet Capistrano Ruby Gem

Add platform to ruby application

Snippet Ruby Gem

Check server TLS protocol support

Snippet OpenSSL Security

Check connection to rubygems service

Snippet Ruby Gem

Migrate from the obsoleted jcenter

Guide Android Maven MavenCentral jcenter Jitpack

Add key authentication and disable password in Ubuntu

Config Ubuntu SSH

Install ffi gem on MacOS Big Sur

An error occurred while installing ffi

Error Ruby Bundle Gem

Make sure public facing URL has nil prove query string

Facebook and some browser auto convert empty query string to nil

Error Facebook

Firebase Cloud Messaging invalid argument error when sending to more than 1000 devices

via Ruby FCM gem

Error FCM Google API Ruby

Change php.ini and reload in MacOS

Via Homebrew

Snippet PHP MacOS Homebrew

Print Android Library dependency report

For debugging dependency issues

Snippet Android Gradle Dependency Library