diff --git a/bootstrap.sh b/bootstrap.sh
old mode 100644
new mode 100755
index ba610e4..24aafed
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -1,9 +1,11 @@
 #!/usr/bin/env bash
 
 # Customization parameters.
-RUBY_VERSION=2.4
+RUBY_VERSION=2.6
 RVM_PATH=/usr/local/rvm
 GEMS=bundler
+# Replace 'none' with your token here if you have reading access to private magento repositories
+TOKEN=none
 
 # Get information on the newest versions of Ubuntu packages
 sudo apt-get update
@@ -13,12 +15,13 @@ sudo apt-get install -y git libcurl4-openssl-dev
 
 # Install Ruby
 if [ ! -e $RVM_PATH ]; then
-	gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+	gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
 	curl -sSL https://get.rvm.io | bash -s
 fi
 
 source $RVM_PATH/scripts/rvm
 
+# Set up the default ruby version
 rvm use --install $RUBY_VERSION --default
 
 # Install gems
@@ -29,13 +32,18 @@ sudo apt-get autoremove -y
 
 # Clone the 'devdocs' repo from GitHub in a shared directory
 cd /vagrant/
-git clone -c core.symlinks=true https://github.com/magento/devdocs.git
+git clone https://github.com/magento/devdocs.git
 
 # Note: To avoid entering your user name and password every time you push, you can either use the SSH protocol
 
 # Install gems and dependencies from Gemfile.
 cd /vagrant/devdocs
+# Use system libraries to build the nokogiri extensions to decrease the gem installation time
+bundle config build.nokogiri --use-system-libraries
+# Install gems from Gemfile
 bundle install
+# Provide the 'token' shell variable to enable cloning by https 
+token=$TOKEN rake init
 
 # Run Jekyll to generate the devdocs site on localhost:40000
 #    bin/jekyll serve --host=0.0.0.0