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早上在linux下用selenium启动Chrome时出现问题：

Traceback (most recent call last):  File "get2.py", line 62, in 
   
        browser = webdriver.Chrome()  File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/chrome/webdriver.py", line 75, in __init__    desired_capabilities=desired_capabilities)  File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 154, in __init__    self.start_session(desired_capabilities, browser_profile)  File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 243, in start_session    response = self.execute(Command.NEW_SESSION, parameters)  File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 311, in execute    self.error_handler.check_response(response)  File "/root/.pyenv/versions/anaconda3-5.1.0/lib/python3.6/site-packages/selenium/webdriver/remote/errorhandler.py", line 237, in check_response    raise exception_class(message, screen, stacktrace)selenium.common.exceptions.WebDriverException: Message: unknown error: Chrome failed to start: exited abnormally  (unknown error: DevToolsActivePort file doesn't exist)  (The process started from chrome location /usr/bin/google-chrome is no longer running, so ChromeDriver is assuming that Chrome has crashed.)  (Driver info: chromedriver=2.43.600233 (523efee95e3d68b8719b3a1c83051aa63aa6b10d),platform=Linux 4.9.0-6-amd64 x86_64)
   

解决方案：

from selenium.webdriver.chrome.options import Optionschrome_options = Options()chrome_options.add_argument('--no-sandbox')chrome_options.add_argument('--disable-dev-shm-usage')chrome_options.add_argument('--headless')browser = webdriver.Chrome(chrome_options=chrome_options)

其中

chrome_options.add_argument('blink-settings=imagesEnabled=false')chrome_options.add_argument('--disable-gpu')

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