TODO:
 - myapacheconf: Handle <RequireAll> & Co. - the whole block must be inside <IfModule> - see test.scc.kit.edu/conf/zak-wiki.conf

Where cluster members are mentioned:

#/etc/shosts.equiv
#/etc/ssh/shosts.equiv
/etc/ssh/ssh_known_hosts
#/etc/ssh_root_login_allowed_hosts
/etc/cluster/nodes*

/var/www/conf/servers aka /etc/apache2/servers

~/ap24/Makefile	DEBHOSTS
/usr/machine/sbin/test-webserver aka ~/ap24/test-webserver

Manually test:
	i=71072:426771;
	p=httpd; t=/run; export APACHE_LOG_DIR=log APACHE_RUN_DIR=$t/$p/$i APACHE_LOCK_DIR=$t/$p/$i; mkdir -p $APACHE_RUN_DIR/socks; chmod 755 $APACHE_RUN_DIR $APACHE_RUN_DIR/socks
	strace -f -s 9999 -- /usr/sbin/apache2 -f /var/www/user/$i/conf/httpd.conf -k start -T -e debug -X

Fehlermeldungen:
	PHP:
		/var/www/user/$i/php/php-fpm_error.log
		aka /var/www/$FQDN/server/php/php-fpm_error.log
