RubyでSeleniumを用いたWEBスクレイピング(Linux)

$ sudo yum install git
$ git clone https://github.com/rbenv/rbenv.git ~/.rbenv
$ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
$ ~/.rbenv/bin/rbenv init
$ source ~/.bash_profile
$ rbenv -v
rbenv 1.1.1-2-g615f844

$ git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
$ sudo ~/.rbenv/plugins/ruby-build/install.sh
$ rbenv install -l
→インストール可能なrubyのバージョンが表示される

$ sudo yum install -y openssl-devel readline-devel zlib-devel 
$ sudo yum -y install bzip2
$ sudo yum -y install gcc
$ export RUBY_CONFIGURE_OPTS=--disable-install-doc
$ rbenv install 2.6.3
$ echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
$ source ~/.bash_profile
$ rbenv global 2.6.3
$ ruby -v
ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-linux]

$ gem install selenium-webdriver -r
$ gem install csv -r
$ gem install nokogiri -r