Installing Selenium and ChromeDriver on Ubuntu 16.04

Install xvfb:

sudo apt-get install xvfb

Install Google Chrome:

sudo apt install libxss1 libappindicator1 libindicator7

wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb

sudo dpkg -i google-chrome*.deb

sudo apt install -f

Install ChromeDriver:

wget -N https://chromedriver.storage.googleapis.com/2.34/chromedriver_linux64.zip
unzip chromedriver_linux64.zip

chmod +x chromedriver

sudo mv -f chromedriver /usr/local/share/chromedriver

sudo ln -s /usr/local/share/chromedriver /usr/local/bin/chromedriver

sudo ln -s /usr/local/share/chromedriver /usr/bin/chromedriver
Install Selenium:

sudo apt-get install python-pip

pip install pyvirtualdisplay selenium

Example:

from pyvirtualdisplay import Display

from selenium import webdriver

display = Display(visible=0, size=(1024, 768))

display.start()

driver = webdriver.Chrome()

driver.get('http://blog.python.org.ua')

print driver.title

MacOS SSLV3_ALERT_HANDSHAKE_FAILURE

Error:
(Caused by SSLError(SSLError(1, u'[SSL: SSLV3_ALERT_HANDSHAKE_FAILURE] sslv3 alert handshake failure (_ssl.c:661)'),))

Solution:
brew install openssl
pip install cryptography

Deploy aiohttp with gunicorn and nginx

sudo apt-get install python3 virtualenv supervisor

cd /home/user/aiohttp

virtualenv env --no-site-packages -p python3

source env/bin/activate

pip install aiohttp

pip install

nano gunicorn.conf.py

bind = "127.0.0.1:8081"

workers = 2

worker_class = "aiohttp.worker.GunicornWebWorker"

nano /etc/supervisor/conf.d/apptest.conf

[program:apptest]

command=/home/user/aiohttp/env/bin/gunicorn app_test:my_web_app -c /home/user/aiohttp/gunicorn.conf.py

directory=/home/user/aiohttp

user=nobody

autostart=true

autorestart=true

nano /etc/nginx/conf.d/apptest.conf

upstream apptest_server {

    server unix:/tmp/apptest.sock fail_timeout=0;

}

server {

    listen       80;

    server_name  192.168.1.10;

    root /home/user/aiohttp/static;

    location / {

      try_files $uri @proxy_to_app;

    }

    location @proxy_to_app {

      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

      proxy_set_header Host $http_host;

      proxy_redirect off;

      proxy_pass http://127.0.0.1:8081;

    }

}

service supervisor restart

service nginx restart