Search Engine: Elastic

Article ID: 132647, created on May 16, 2018, last review on May 16, 2018

  • Applies to:
  • Operations Automation


The following errors are registered in error_log:

[Tue May 15 22:07:27 2018] [error] PHP Warning:  session_start(): open(/var/lib/php/session/sess_33569401722d35bbdea3330a36091d64, O_RDWR) failed: No such file or directory (2) in /var/www/vhosts/8/111000/webspace/httpdocs/ on line 2

Aftected websites are unable to save PHP sessions.


The users, websites running behalf on, are enclosed by CageFS. However, the /var/lib/php/session was not mounted to the user space.


  1. Edit the file /etc/cagefs/
  2. Add the line @/var/lib/php/session,700 to the bottom of the file and save the changes
  3. Apply changes to all users:

    # cagefsctl --remount-all

    to apply changes to a specific user:

    #  cagefsctl --remount a100101

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