Firefox issue
1. Selenium 3.0以上需要geckodriver
- 下载最新的geckodriver版本：Latest geckodriver
- 如果是tar.gz格式的包，先进行解压：
tar -xzvf geckodriver.gz - 移置/usr/local/share/目录下，
mv -f geckodriver /usr/local/share/geckodriver - 软连接：
ln -s /usr/loca/share/geckodriver /usr/local/bin/geckodriverandln -s /usr/local/share/geckodriver /usr/bin/geckodriver
Chrome issue
2. Selenium 需要chromedriver
- 下载最新的chromedriver版本：Latest chromedriver
- 如果是zip格式的包，先进行解压：
unzip chromedriver.zip - 移置/usr/local/share/目录下，
mv -f chromedriver /usr/local/share/chromedriver - 软连接：
ln -s /usr/loca/share/chromedriver /usr/local/bin/chromedriverandln -s /usr/local/share/chromedriver /usr/bin/chromedriver
