Install Redmine 4.2.0 on Centos7

install-redmine-centos7.sh

# https://www.rosehosting.com/blog/how-to-install-redmine-on-centos-8/
# https://tecadmin.net/install-ruby-latest-stable-centos/
yum update

yum group install "Development Tools"
yum install install epel-release
# yum config-manager --enable epel
# yum config-manager --set-enabled PowerTools

# create a user for redmine
useradd -m -U -r -d /opt/redmine redmine

yum install gcc-c++ patch readline readline-devel zlib zlib-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison sqlite-devel wget

yum install ruby ruby-devel rubygems zlib-devel curl-devel openssl-devel httpd-devel apr-devel apr-util-devel ImageMagick ImageMagick-devel

yum install mariadb mariadb-server mariadb-devel

systemctl enable mariadb
systemctl start mariadb
systemctl status mariadb

mysql_secure_installation

mysql -u root -p

# inside db
CREATE DATABASE redmine_db;
CREATE USER 'redmine_user'@'localhost' IDENTIFIED BY 'Vh8uyqXe';
GRANT ALL ON redmine_db.* TO 'redmine_user'@'localhost' IDENTIFIED BY 'Vh8uyqXe';
FLUSH PRIVILEGES;
EXIT;

su - redmine

# install rvm to get ruby 2.7.2 version
curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -
curl -sSL https://rvm.io/pkuczynski.asc | gpg2 --import -

curl -L get.rvm.io | bash -s stable

source /home/vagrant/.rvm/scripts/rvm
rvm reload

rvm requirements run

rvm install 2.7.2
rvm use 2.7.2 --default

# use git instead of https://www.redmine.org/releases/redmine-4.2.0.tar.gz
wget https://github.com/redmine/redmine/archive/refs/tags/4.2.0.tar.gz
tar -xvf 4.2.0.tar.gz
mv redmine-4.2.0 redmine

cp /opt/redmine/redmine/config/database.yml.example /opt/redmine/redmine/config/database.yml
cp /opt/redmine/redmine/config/configuration.yml.example /opt/redmine/redmine/config/configuration.yml

#update database.yml with right values
# production:
#   adapter: mysql2
#   database: redmine_db
#   host: localhost
#   username: redmine_user
#   password: "Vh8uyqXe"
#   encoding: utf8mb4

cd redmine
gem install bundler
bundle install --without development test postgresql sqlite --path vendor/bundle

bundle exec rake generate_secret_token
RAILS_ENV=production bundle exec rake db:migrate

RAILS_ENV=production REDMINE_LANG=en bundle exec rake redmine:load_default_data

# bundle exec rails server webrick -e production