Limit Website access upto specific count

Hi to all,

I am new to Linux. but i am facing issue with my web server in Ubuntu 11.10.

In my webserver i want to restrict maximum users website access (e.g., suppose i want to restrict users to access web to 250 persons in single time). So can you please suggest me to how to do that in Apache bases web server.

You may want to take a look at the MaxClients and ServerLimit directives in the Apache configuration. See this link.
Hope it helps.