CSF Firewall enable/disable the Ptrace block?
CSF CLOUD DISABLE PTRACE
csf CloudLinux Disable ptrace error tips
:nano /etc/sysctl.conf
:## CL. Disable ptrace for users kernel.user_ptrace = 0 kernel.user_ptrace_self = 0 ##
::$ sysctl -p
https://cloudlinux.zendesk.com/hc/en...-Ptrace-block-
https://docs.cloudlinux.com/cloudlin.../#ptrace-block