Debian 8.1, Directadmin problem.

[patjec]

After install I got this problem. I reinstalled Debian and DA and still get this problem:

ConfigServer Security & Firewall - csf v8.05

Restarting csf...

Flushing chain `INPUT'
Flushing chain `FORWARD'
Flushing chain `OUTPUT'
Flushing chain `PREROUTING'
Flushing chain `INPUT'
Flushing chain `OUTPUT'
Flushing chain `POSTROUTING'
Flushing chain `INPUT'
Flushing chain `FORWARD'
Flushing chain `OUTPUT'
Flushing chain `PREROUTING'
Flushing chain `INPUT'
Flushing chain `OUTPUT'
Flushing chain `POSTROUTING'
open3: exec of /usr/bin/systemctl is-active firewalld failed at /usr/sbin/csf line 588.
...Done.

[nsc]

Systemctl path in Debian is /bin/systemctl, not /usr/bin/systemctl (as in CentOS 7)