cat config.d/main.xml 
<?xml version="1.0"?>
<yandex>
        <http_port>8125</http_port>
        <max_connections>100</max_connections>
        <http_server_default_response><![CDATA[You reached CH http port]]></http_server_default_response>
	<timezone>Europe/Moscow</timezone>
</yandex>
root@node1:/etc/clickhouse-server# pwd
/etc/clickhouse-server
root@node1:/etc/clickhouse-server# 




cat /etc/clickhouse-server/config.d/main.xml 
<?xml version="1.0"?>
<yandex>
        <http_port>8125</http_port>
        <max_connections>100</max_connections>
        <http_server_default_response><![CDATA[You reached CH http port]]></http_server_default_response>
	<timezone>UTC</timezone>
</yandex>