[Selenium]スクリーンショット画像取得方法一例 ref: http://qiita.com/sogaoh/items/c5005f7c93a9d4b8e8c4

file0.txt

 $ vagrant box add {title} {url}
 $ vagrant init {title}

file1.txt

 $ vagrant up

file2.txt

# vi /etc/hostname    //→ 自分の好きなホスト名に

# (ホストOS側でダウンロードした jdk-8u65-linux-x64.tar.gz をゲスト側に転送し /tmp/ に置いた)

# cd /tmp
# tar xvfz jdk-8u65-linux-x64.tar.gz
# mv jdk1.8.0_65 /opt/
# cd /usr/local/bin
# sudo ln -s /opt/jdk1.8.0_65/bin/java java   //→ /usr/local/bin/java
# java -version     //→ java インストール確認
# cd /tmp
# sudo aptitude install xvfb xserver-xephyr firefox firefox-locale-ja fonts-ipaexfont-gothic fonts-ipafont-gothic
# wget http://peak.telecommunity.com/dist/ez_setup.py  (Python 2.7.6 が入ってるのを確認したうえで： python -V )
# sudo python ez_setup.py
# sudo easy_install pip
# pip --version
# sudo pip install pyvirtualdisplay
# sudo pip install selenium
# wget http://selenium.googlecode.com/files/selenium-server-standalone-2.22.0.jar
# mv selenium-server-standalone-2.22.0.jar /opt/   //→ /opt/selenium-server-standalone-2.22.0.jar

file3.txt

# cd /opt
# wget https://ftp.mozilla.org/pub/firefox/releases/46.0.1/linux-x86_64/ja/firefox-46.0.1.tar.bz2
# tar jxf firefox-46.0.1.tar.bz2

file4.txt

sudo su -
ps -ef | grep selenium
（java のプロセス :  seleniumのjar呼び出し  がなければ未起動）
nohup java -jar /opt/selenium-server-standalone-2.22.0.jar &

file5.txt

python

>>> from pyvirtualdisplay import Display
>>> from selenium import webdriver
>>> from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
>>> 
>>> display = Display(visible=0, size=(800, 600))
>>> display.start()
<Display cmd_param=['Xvfb', '-br', '-screen', '0', '800x600x24', ':1125'] alias={alias} cmd=['Xvfb', '-br', '-screen', '0', '800x600x24', ':1125'] ({scmd}) oserror=None returncode=None stdout="None" stderr="None" timeout=False>
>>> 
>>> binary = FirefoxBinary('/opt/firefox/firefox')
>>> browser = webdriver.Firefox(firefox_binary=binary)
>>> browser.get('https://www.ann-kate.jp/')
>>> browser.save_screenshot('ann-kate.png')
True
>>> browser.quit()
>>> display.stop()