nodejs_npm_rvm_install_rails

Installing nodejs and npm

Prerequisites

Ubuntu 18.04 or 20.04
A user with sudo privileges.

1- Install Node.js and NPM from Ubuntu Repository
The easiest way to install Node.js and NPM is from the Ubuntu repository.

sudo apt update
sudo apt install nodejs
nodejs -v
sudo apt install npm 
sudo apt install build-essential
npm -v

2- Install the Latest Yarn Version

corepack unable
corepack disable
sudo npm install -g yarn --force
yarn set version stable
yarn -v
node -v

links:
ruby releases - https://www.ruby-lang.org/en/downloads/releases/
Install Ruby 3 - Upgrade Ruby Version with RVM (Ruby 2.7 to 3)  https://youtu.be/YxnGDW-JC9Q

3- Installing RVM

Install
Pre-requisites
You need software-properties-common installed in order to add PPA repositories.

sudo apt-get install software-properties-common
sudo apt-add-repository -y ppa:rael-gc/rvm

sudo apt-get update

sudo apt-get install rvm
Add your user to rvm group ($USER will automatically insert your username):

sudo usermod -a -G rvm $USER

At terminal window, open the application menu, then Preferences. 
Click on Unnamed profile, select the Command tab and check Run command as login shell.

Unnamed > Tab: Command > mark (x) Run command as a login user

Reboot

4 - RVM Installing a ruby

rvm autolibs disable

5- Finally install Ruby-3.0.0

rvm install 3.0.0

rvm use 3.0.0

rvm list

rvm gemset create dummy-app 
rvm use 3.0.0

RVM Usage
RVM complete instructions are available at RVM repository: https://github.com/rvm/rvm

Additionally you can check manual pages too: open a Terminal (Ctrl+Alt+T) and run:

man rvm


links:
https://rvm.io/rvm/install
https://github.com/rvm/ubuntu_rvm


RVM
Install Ruby 3 - Upgrade Ruby Version with RVM (Ruby 2.7 to 3)
https://youtu.be/YxnGDW-JC9Q



6 - OpenSSl INSTALLATION:

 sudo apt-get install libssl-dev
 apt-get install libssl-dev
 sudo apt-get install libssl-dev
 sudo apt install openssl
 sudo apt install libssl-dev
 sudo make install
 make
 make install
 wget http://www.openssl.org/source/openssl-1.0.1g.tar.gz
 wget http://www.openssl.org/source/openssl-1.0.1g.tar.gz.md5
 md5sum openssl-1.0.1g.tar.gz
 cat openssl-1.0.1g.tar.gz.md5
 tar -xvzf openssl-1.0.1g.tar.gz
 cd openssl-1.0.1g
 ./config --prefix=/usr/local/openssl --openssldir=/usr/local/openssl
 make
 sudo make install
 cd ..
 /usr/local/openssl/bin/openssl version
 cd openssl-1.0.1g/
 openssl version
 
 -------------------
 
  RUBY
 
 1216  $ sudo apt-get install ruby-full
 1217  sudo apt-get install ruby-full
 1218  which ruby
 1219  ruby --version
 1220  mkdir rubyProjects
 1221  cd rubyProjects/
 1222  code .
 1223  rvm @global do gem install rubocop end
 1224  gem install rubocop
 1225  sudo gem install rubocop
 1226  rails server
 1227  cd blog/
 1228  rails s
 1229  clear
 1230  rails generate migration create_articles
 1231  rails c
 1232  rails routes --expanded
 ------------------
 1248  cd rubyProjects/
 1252  sudo rails new alpha-blog --css bootstrap
 1253  cd alpha-blog/
 1254  ls

 1257  sudo apt  install ruby-bundler
 1258  yarn add [email protected] jquery popper.js


 1295  ls -lh
 1298  sudo chown -R j3.j3  ~/rubyProjects/
 1299  ls -lh

 1304  sudo apt install nodejs
 1307  nodejs -v
 1308  sudo apt install npm 
 1310  npm -v
 1311  node -v
 
 1312  corepack enable

 1325  rake time:zones:all
 1328  bundle exec rake time:zones:all

 1330  Timezone
 1339  rails console
 1329  Time.now
 1340  bundle install
 1359  bundle exec rails assets:precompile
 
 1364  corepack unable
 1365  corepack disable
 1366  npm install -g yarn --force
 1367  sudo npm install -g yarn --force
 1368  yarn -v
 1369  yarn set version stable
 1370  yarn -v
 
 1374  sudo apt install build-essential
 
 1380  sudo apt-get install software-properties-common
 1381  sudo apt-add-repository -y ppa:rael-gc/rvm
 1382  sudo apt-get update
 1383  sudo apt-get install rvm
 1384  rvm -v
 1385  sudo usermod -a -G rvm $USER
 1386  rvm -v
 1387  reboot
 1388  rvm -v
 1425  rvm install 3.0.0
 
 ssl
 
 1426  sudo apt-get install libssl-dev
 1427  apt-get install libssl-dev
 1428  sudo apt-get install libssl-dev
 1429  sudo apt install openssl
 1430  sudo apt install libssl-dev
 1431  sudo make install
 1432  make
 1433  make install
 1434  wget http://www.openssl.org/source/openssl-1.0.1g.tar.gz
 1435  wget http://www.openssl.org/source/openssl-1.0.1g.tar.gz.md5
 1436  md5sum openssl-1.0.1g.tar.gz
 1437  cat openssl-1.0.1g.tar.gz.md5
 1438  tar -xvzf openssl-1.0.1g.tar.gz
 1439  cd openssl-1.0.1g
 1440  ./config --prefix=/usr/local/openssl --openssldir=/usr/local/openssl
 1441  make
 1442  sudo make install
 1444  cd ..
 1445  /usr/local/openssl/bin/openssl version
 1446  cd openssl-1.0.1g/
 1452  openssl version
 1453  cd ..
 
 1458  rvm gemset create alphablog
 1459  rails new alphablog --css bootstrap
 1460  bundle install
 1461  bundle install --path vendor/bundle