360 Monitoring filling up the messages log file up to dozens of gigabytes a day with errors

Symptoms

• 360 Monitoring is installed on CloudLinux OS.

• 360 Monitoring filling up the messages log file up to dozens of gigabytes a day with errors:

  Jan 4 14:46:42 plesk1 agent360[993]: lines = open(file_path, 'r').readlines()
  Jan 4 14:46:42 plesk1 agent360[993]: PermissionError: [Errno 1] Operation not permitted: '/proc/diskstats'

Cause

Service agent360 does not have access to /proc/diskstats data when CageFS enabled.

Resolution

1. Connect to the server via SSH.

2. Edit /etc/group file by adding agent360 to psaadm group:

   # grep ^psaadm /etc/group
   psaadm:x:1002:psaadm,sw-cp-server,polkitd,agent360

3. Restart agent360 service:

   # systemctl restart agent360