By default, Apache comes preconfigured to serve a maximum of 256 clients simultaneously. This particular configuration setting can be found in the file /etc/httpd/conf/httpd.conf
If your server has 2 GB of RAM, and you’re sharing your server with MySQL(true in my case), you’ll want to reserve about half of it for Apache (1 GB)
Jul 25 2009
Necessary commands (tips) to tune apache
To search in the current directory and all sub directories for a file named httpd.conf
find . -name “httpd.conf” -print
To find some string or text, type
find . -exec grep “MaxClients” ‘{}’ \; -print