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vicmaburrito / ruby-rails-debian

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To Install VM and Debian 11 distribution:

Click Here

To install sudo on Debian

 $ su
 $ apt-get install sudo
 $ nano /etc/sudoers

  • Below of %sudo ALL=(ALL:ALL) ALL :

    yourUsername ALL=(ALL:ALL) ALL

  • Then run

    sudo apt-get update 
sudo apt-get upgrade

Debian Swap

  • 1 : $ cat /proc/sys/vm/swappiness
  • 2 : $ sudo nano /etc/sysctl.conf
    • On nano editor, go to the bottom of the page and add vm.swappiness=10
  • 3 : Reboot your system and run again the first command

Installing Ruby

First, we need to make sure your Linux distribution is up to date

  sudo apt update
  sudo apt upgrade

Install Packages and Libraries

$ sudo apt install gcc make libssl-dev libreadline-dev zlib1g-dev libsqlite3-dev

if you don't have git, just run:

$ sudo apt install git

Install rbenv

$ git clone https://github.com/rbenv/rbenv.git ~/.rbenv
$ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
$ echo 'eval "$(rbenv init -)"' >> ~/.bashrc
$ exit

Install ruby-build

$ mkdir -p "$(rbenv root)"/plugins
$ git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build

Run:

$ rbenv -v
# Output: rbenv 1.2.0-14-xxxxx

Install Ruby

  $ rbenv install 2.7.4 --verbose
  • Then
 $ rbenv global 2.7.4
 $ ruby -v 
 # Output: 
 # ruby 2.7.4pxxx (xxxx revision xxxxx)[x86_64-linux]

Install Rails

 $ gem install rails -v 6.0.4.8
 $ rails -v
 # Output:
 # Rails 6.0.4.8

Installing MariaDB

Install MariaDB

sudo apt install mariadb-server

Configure MariaDB on Debian

sudo mysql_secure_installation
  • Then
    • Switch to unix_socket authentication [Y/N] n
    • Change the root password? [Y/N] n
    • Remove anonymus users? [Y/N] y
    • Disallow root login remotely? [Y/N] y
    • Remove test database and access to it? [Y/N] y
    • Reload privilege tables now? [Y/N] y

Create Privileges User with Authentication

$ sudo mysql
- CREATE USER 'yourUsername'@'localhost' IDENTIFIED BY '_pa$$w0rd_';
- GRANT ALL ON *.* TO 'yourUsername'@'localhost' WITH GRANT OPTION;
- FLUSH PRIVILEGES;  
- EXIT

To test the status of MariaDB

$ sudo systemctl status mariadb
$ sudo systemctl start mariadb

If you already have a mysql installed on your local environment maybe you will find a troubles like this:

“ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ (2)”

We will remove mysql with the following commands

$ sudo apt-get remove --purge mysql-server mysql-client $ mysql-common -y
$ sudo apt-get autoremove -y
$ sudo apt-get autoclean
$ sudo rm -rf /etc/mysql
$ sudo find / -iname 'mysql*' -exec rm -rf {} \;

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