Ruby on Rails connect multiple databases
For multiple database connection, you need to add the following codes to the database.yml file. Here, I am giving the example of connecting two databases from a rails application
08.21.2019
08.21.2019
How to add swap on Centos
To make your server can handles big processes or do memory cache. You should add swap on server if you not have to much ram
08.21.2019
Reset a lost MySQL root password
It was a serious problem when you lost your MySQL password. But luckily resetting a lost MySQL root password is easy as long as you have sudo access to the Server.
08.21.2019
How to install Ruby on Rails on Centos 6 via RPM
There are many ways to install Ruby on Rails on Centos 6. Today, I will answer the question "How to install Rails 5 on Centos 6 via RPM"
08.21.2019
Useful links for developers
I create this list to collect all useful links for developers during my work. Hope it may help you.
08.21.2019
Ruby on Rails: Gem mysql2 loaded error
Specified 'mysql2' for database adapter, but the gem is not loaded. Add `gem 'mysql2'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord).
08.21.2019
How to install PHP 5.6 and MySQL 5.7 on Centos
This article guides you how to install PHP 5.6 via remi and install MySQL 5.7 via yum repo
08.21.2019
How to install composer to run globally
This article shows how to install composer and make composer run globally