Dear System Administrator, SUSE Apache package comes with the possibility to run more instances of Apache process on one system. As always, sytemctl start apache2 activates default instance of the server, which expects sysconfig setting in /etc/sysconfig/apache2. If this file is not present, or APACHE_HTTPD_CONF in there is not set, then it requires /etc/apache2/httpd.conf. Any other instance can be activated via systemctl start apache2@ for example systemctl start apache2@myweb.org This call tries to read /etc/sysconfig/apache2@ and if this file is not present or APACHE_HTTPD_CONF is not set there, it requires /etc/apache2@/httpd.conf. NOTES: * /etc/sysconfig/apache2@ can hold any sysconfig variable /etc/sysconfig/apache2 can, including module loading and MPM setting, * default instance do not have to run when running other instances * a2enmod, a2dismod and apachectl operates over default instance if not specified otherwise via HTTPD_INSTANCE. For example, export HTTPD_INSTANCE=myweb.org a2enmod access_compat a2enmod status apachectl start will add access_compat and status modules to APACHE_MODULES variable of /etc/sysconfig/apache2@myweb.org and then starts myweb.org instance. * /usr/sbin/httpd link is created according to setup of default instance (/etc/sysconfig/apache2:APACHE_MPM)