Unable to install WordPress using Plesk WordPress Toolkit on CloudLinux due to low system user resources

Symptoms

• Unable to install WordPress instance via WordPress Toolkit on CloudLinux server. The process fails on the step Configuring The Installation without any error message:

  

• The following errors are shown in the file /var/log/messages:

  CONFIG_TEXT: kernel: php cpuset=lve10001 mems_allowed=0
  kernel: Task in /lve10001killed as a result of limit of /lve10001
  kernel: Memory cgroup stats for /lve10001: rss_huge:0KB mapped_file:0KB shmem:0KB slab_unreclaimable:0KB swap:0KB cache:0KB rss:32768KB slab_reclaimable:0KB inactive_anon:16520KB active_anon:16220KB inactive_file:0KB active_file:0KB unevictable:0KB

Cause

CageFS kills the WordPress installation process due to the system user of the subscription has very low limits on the resources allocated in LVE Manager.

Resolution

1. Log in to Plesk GUI

2. Go to LVE Manager > Users > Search the system user of the subscription or the subscription domain name:

   

3. Disable CageFS or increase the limits to the system user.