Using capistrano's SSHKit library you can move file from local to server from your Rails console or IRB

upload_file_using_SSHKit.rb

require 'sshkit'
require 'sshkit/dsl'
on ['deployer@XX.79.200.XXX'] do
  # upload! '/home/john/Downloads/__thepact_com/__thepact_com.crt', '/home/deployer/__thepact_com.crt'
  # upload! '/home/john/Downloads/__thepact_com/__thepact_com.p7b', '/home/deployer/__thepact_com.p7b'
  upload! '/home/john/Downloads/__thepact_com/__thepact_com.ca-bundle', '/home/deployer/__thepact_com.ca-bundle'

  within '/home/deployer/' do
    # execute 'sudo', 'mv', '/home/deployer/__thepact_com.crt', '/opt/nginx/ssl/__thepact_com.crt'
    # execute 'sudo', 'mv', '/home/deployer/__thepact_com.p7b', '/opt/nginx/ssl/__thepact_com.p7b'
    execute 'sudo', 'mv', '/home/deployer/__thepact_com.ca-bundle', '/opt/nginx/ssl/__thepact_com.ca-bundle'
  end
end