systemd vs init.d

Newer Operating Systems like CentOS 7 and Debian 8 both support systemd, and DA is expecting that by default.

A systemd OS will use something like this for restarts:

systemctl restart httpd.service

where the script lives at:

/etc/systemd/system/httpd.service

while the traditional init.d uses a more direct script restart with:

/etc/init.d/httpd restart

CustomBuild itself will auto-detect this for the usual service boot scripts, but the DA binaries do not, as it's an internal default.

If your OS doesn't follow the expected default, such as Debian 8 that uses init.d, that's fine, you'd just need to set

systemd=0

in the directadmin.conf, like this.