Selenium Grid: MaxSessions vs MaxInstances

Nice question….i would say it’s bit confusing…. But will try to answer it in simple terms.. MaxInstances This says….how many instances of same version of browser can run over the Remote System. For example, i have a FF12,IE and i declared the command as follows -browser browserName=firefox,version=12,maxInstances=5,platform=LINUX -browser browserName=InternetExplorer,version=9.0,maxInstances=5,platform=LINUX So i can run 5 instances … Read more

Can Selenium WebDriver open browser windows silently in the background?

If you are using Selenium web driver with Python, you can use PyVirtualDisplay, a Python wrapper for Xvfb and Xephyr. PyVirtualDisplay needs Xvfb as a dependency. On Ubuntu, first install Xvfb: sudo apt-get install xvfb Then install PyVirtualDisplay from PyPI: pip install pyvirtualdisplay Sample Selenium script in Python in a headless mode with PyVirtualDisplay: #!/usr/bin/env … Read more

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