如何使用ruby和unix服务器截取网页截图？

sudo apt-get install imagemagick
sudo apt-get install webkit2png

require 'open3'

def capture_screenshot(url, output_file)
  command = "webkit2png -o #{output_file} #{url}"
  Open3.popen3(command) do |stdin, stdout, stderr, wait_thr|
    exit_status = wait_thr.value
    if exit_status.success?
      puts "Screenshot saved to #{output_file}"
    else
      puts "Error capturing screenshot: #{stderr.read}"
    end
  end
end

url = 'https://www.example.com'
output_file = 'screenshot.png'
capture_screenshot(url, output_file)

ruby capture_screenshot.rb