ruby on rails with flutter 2023 [Arabic]

عرض تقديمي للدورة: ما الذي ستتعلمه ، ولماذا نقوم بهذه الاختيارات وكيف سنكتشف Ruby on Rails.

Open a terminal in Kali Linux.

Update the package list by running the following command:

sudo apt update

Install Ruby using the following command:

sudo apt install ruby-full

After Ruby is installed, verify the installation by checking the version:

ruby --version

Install the build tools and libraries required for Ruby on Rails:

sudo apt install build-essential libssl-dev libreadline-dev zlib1g-dev

Install Node.js:

sudo apt install nodejs

Install the Yarn package manager (optional but recommended for managing JavaScript dependencies in Rails applications):

sudo apt install yarn

Install Ruby on Rails using the gem package manager:

gem install rails

After the installation completes, verify the installation by checking the Rails version:

rails --version

You may also need to install the SQLite database library, which is commonly used with Rails:

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sudo apt install libsqlite3-dev

link of website : https://techviewleo.com/how-to-install-postgresql-server-on-kali-linux/

Switch to the PostgreSQL user account by running the following command:

sudo -u postgres psql

Once you are in the PostgreSQL command-line interface, create a new user by executing the following command:

CREATE USER your_username WITH PASSWORD 'your_password';

Replace your_username with the desired username and your_password with the desired password for the user. Be sure to keep these credentials secure.

Next, create a new database by running the following command:

CREATE DATABASE your_database;

Replace your_database with the name you want to give to your database.

Grant all privileges on the database to the user by executing the following command:

GRANT ALL PRIVILEGES ON DATABASE your_database TO your_username;

Replace your_database with the name of your database, and your_username with the username you created earlier.

To exit the PostgreSQL command-line interface, type:

q

CREATE TABLE user1 (

user_id serial PRIMARY KEY,

username VARCHAR ( 50 ) UNIQUE NOT NULL,

);