Gecko Drwxr-xr-x May 2026

ls -ld /usr/lib/geckodriver/gecko You might see drwxr-xr-x permissions on a directory named “gecko” that holds platform-specific binaries or resources. Modern Linux distributions (Ubuntu, Fedora) often package Firefox as a Snap or Flatpak. Inside their restricted filesystems, you can encounter:

chmod 755 gecko # drwxr-xr-x After changes, restart Firefox or your Selenium script. While not crucial to permissions, it’s worth noting: the Gecko engine was named after the gecko lizard , known for its ability to cling to surfaces. The idea was that the browser engine would “stick to web standards” just like a gecko sticks to walls. gecko drwxr-xr-x

org.openqa.selenium.WebDriverException: Unable to read gecko directory permissions While not crucial to permissions, it’s worth noting:

chmod 755 ~/.cache/mozilla/firefox/*/gecko Snap packages run in strict confinement. If a gecko directory inside /snap/firefox/current/ accidentally gets changed, the system may reset permissions on update. While not crucial to permissions