Example command:

If you need to fix the permissions for the gecko directory to drwxr-xr-x , use chmod : chmod 755 gecko Use code with caution. 3. Setting Ownership

The owner can create, delete, or rename files within the gecko directory.

In summary, drwxr-xr-x means: The drwxr-xr-x and Numeric Permission (755)

If you discover that your active Gecko profile or automated session temp folders are wide open to the public ( drwxr-xr-x ), you should lock them down so only the parent process can read them. chmod 700 /path/to/sensitive/gecko-profile Use code with caution.

: The first character indicates the type of file. 'd' stands for directory . Therefore, drwxr-xr-x is a directory, not a regular file. B. Owner Permissions ( rwx )

Always check permissions after cloning Gecko — some umask settings can give drwx------ (too strict) or drwxrwxrwx (too loose). Fix with:

Are you using ? What is the exact error text you see in your terminal? I can provide the precise commands to fix your environment. Share public link

If the Gecko installation directory or its shared libraries ( .so files) do not have at least r-x permissions for the user executing the task, the process will instantly crash with a Permission Denied error. Scenario C: Embedded Gecko Frameworks

: If the permissions are set to drwxrwxrwx (777), any user on the system can modify the Gecko engine. Change it back to 755 immediately.

If you need to change the owner of the gecko directory as well,

$ ls -ld gecko/obj-x86_64-pc-linux-gnu drwxr-xr-x 42 developer geckodev 4096 Apr 13 09:30 obj-x86_64-pc-linux-gnu

This pattern appears repeatedly across different parts of the codebase, from test directories to UI components.

: Members of the group cannot modify the directory. x (Execute) : Members of the group can enter the directory. D. Others/World Permissions ( r-x ) r (Read) : Anyone else on the system can list files. - (No Write) : Anyone else cannot modify the directory. x (Execute) : Anyone else can enter the directory.

org.openqa.selenium.WebDriverException: Unable to read gecko directory permissions