Ruby on Rails 8 : Install2026/04/17 |
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Install Ruby on Rails 8 to build Ruby Framework environment. |
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| [2] | Install some other required packages. |
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[root@dlp ~]# curl https://dl.yarnpkg.com/rpm/yarn.repo > /etc/yum.repos.d/yarn.repo [root@dlp ~]# dnf --enablerepo=crb -y install ruby-devel rpm-build make gcc gcc-c++ libxml2 libxml2-devel mariadb-devel zlib-devel libxslt-devel nodejs git yarn
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| [3] | Install Rails 8. |
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[root@dlp ~]# gem install bundler [root@dlp ~]# gem install nokogiri -- --use-system-libraries [root@dlp ~]# gem install rails --version="~>8.0" [root@dlp ~]# rails -v Rails 8.1.3 |
| [4] | Create a sample application and make sure it works normally. Install MariaDB Server for this sample app, refer to here. Furthermore, if Firewalld is running and also access to Rails from other Hosts, it needs to allow port 3000. |
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# create a user and database for test app root@dlp:~# mariadb Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 15 Server version: 10.5.29-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> create database sample_app_test; Query OK, 1 row affected (0.000 sec) MariaDB [(none)]> create database sample_app_development; Query OK, 1 row affected (0.000 sec) MariaDB [(none)]> grant all privileges on sample_app_test.* to serverworld@'localhost' identified by 'password'; Query OK, 0 rows affected (0.005 sec) MariaDB [(none)]> grant all privileges on sample_app_development.* to serverworld@'localhost' identified by 'password'; Query OK, 0 rows affected (0.005 sec) MariaDB [(none)]> exit Bye[root@dlp ~]# gem install mysql2 -- --with-mysql-config=/usr/bin/mysql_config [root@dlp ~]# rails new SampleApp -d mysql [root@dlp ~]# cd SampleApp
[root@dlp SampleApp]#
vi config/database.yml
default: &default
adapter: mysql2
encoding: utf8mb4
pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
username: serverworld # MariaDB connection user
password: password # MariaDB connection password
host: localhost
[root@dlp SampleApp]#
vi config/application.rb
module SampleApp
class Application < Rails::Application
# Initialize configuration defaults for originally generated Rails version.
config.load_defaults 7.0
# line 13 : specify hosts
# if not specified, users can access to only [localhost] and IP address
# if allow all sub-domain, specify domain name like follows
config.hosts << ".srv.world"
# create sample application [root@dlp SampleApp]# rails generate scaffold testapp name:string title:string body:text [root@dlp SampleApp]# rails db:migrate == 20260417011454 CreateTestapps: migrating =================================== -- create_table(:testapps) -> 0.0065s == 20260417011454 CreateTestapps: migrated (0.0067s) ==========================[root@dlp SampleApp]# rails server --binding=0.0.0.0
=> Booting Puma
=> Rails 8.1.3 application starting in development
=> Run `bin/rails server --help` for more startup options
Puma starting in single mode...
* Puma version: 8.0.0 ("Into the Arena")
* Ruby version: ruby 4.0.1 (2026-01-13 revision e04267a14b) +PRISM [x86_64-linux]
* Min threads: 3
* Max threads: 3
* Environment: development
* PID: 14461
* Listening on http://0.0.0.0:3000
Use Ctrl-C to stop
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| [5] | Access to the [http://(server's hostname or IP address):3000/] from a client computer. It's OK if following site is displayed normally. |
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| Access to [http://(server's hostname or IP address):3000/testapps/], then it's possible to use sample app like follows. |
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