Python bug - Selenium on Ubuntu

Question

I have a strange problem with Python (or maybe I'm just a noob).

I wrote a little bot to automate some actions in the browser using selenium, and I want to work on VPS Ubuntu, so I installed Selenium and the other modules that I need, and I ran the script, but when it appeared to the first of these lines

WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.ID, "free_play_captcha_types"))) driver.find_element_by_id("free_play_captcha_types").click() driver.find_element_by_id("free_play_captcha_types").click() driver.find_element_by_xpath("//option[contains(@value, 'recaptcha_v1')]").click() 

I get the error socket.error: errno [111] Connection refused .

I already tried to start the selenium server before running the script, but nothing has changed ... does anyone have any advice?

Thanks in advance.

Other information: I ran the same script on a different VPS and worked successfully ...