Apache fails to start on a Plesk server: Wrapper /var/www/cgi-bin/cgi_wrapper/cgi_wrapper cannot be accessed: (2)No such file or directory

Symptoms

• All websites show a "502 Bad Gateway" error in a web-browser.

• Apache fails to start. The following error message is returned by Apache configuration checker:

  • on CentOS/RHEL-based distributions

    # httpd -t

  • on Debian/Ubuntu-based distributions

    # apache2ctl -t

  Wrapper /var/www/cgi-bin/cgi_wrapper/cgi_wrapper cannot be accessed: (2)No such file or directory

• Running the plesk repair fs command reveals an error that is similar to the following:

  Checking Linux system files
  There are incorrect permissions on some items:
  /var/www/cgi-bin/cgi_wrapper/cgi_wrapper .......................... [ERROR]
  To see more details, run the command in the verbose mode: plesk repair fs -verbose
  Repairing incorrect permissions ................................. [2024-12-13 16:25:31.733] 1478637:675c51ebb2e4c ERR [util_exec] proc_close() failed ['/opt/psa/admin/bin/fsmng' '--set-ac' '/var/www/cgi-bin/cgi_wrapper/cgi_wrapper'] with exit code [1]
  [FAILED]
  - fsmng failed: ERROR: [Errno 2] No such file or directory:
  '/var/www/cgi-bin/cgi_wrapper/cgi_wrapper'

Cause

The file /var/www/cgi-bin/cgi_wrapper/cgi_wrapper is missing.

Resolution

1. Connect to the Plesk server via SSH.

2. Download the script that recreates this file by executing the following command:

   # curl https://raw.githubusercontent.com/plesk/kb-scripts/refs/heads/master/restore-wrapper/restore-wrapper.sh -o restore-wrapper.sh

3. Make the downloaded script executable via this command:

   # chmod +x restore-wrapper.sh

4. Run the script by executing the following command:

   # ./restore-wrapper.sh