Apache spawning multiple servers

how to reduce the number

If like me you're running Apache for development purposes, you might notice there are around 10 httpd / apache2 processes running.

To change this:
sudo vim /etc/apache2/mods-available/mpm_prefork.conf

Then change the StartServers and MinSpareServers values:
StartServers 2
MinSpareServers 2

Then:
sudo service apache2 restart

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